test/Analysis/CostModel/X86/vshift-ashr-cost.ll - llvm - Git at Google

 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,SSE,SSE2
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+sse4.2 | FileCheck %s --check-prefixes=CHECK,SSE,SSE42
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx | FileCheck %s --check-prefixes=CHECK,AVX,AVX1
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX,AVX2
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+xop,+avx | FileCheck %s --check-prefixes=CHECK,XOP,XOPAVX1
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+xop,+avx2 | FileCheck %s --check-prefixes=CHECK,XOP,XOPAVX2
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx512f | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512F
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx512f,+avx512dq | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512F
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx512f,+avx512bw | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512BW
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512F
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx512f,+avx512dq,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512VL
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+avx512f,+avx512bw,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512BWVL
 ;
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mcpu=slm | FileCheck %s --check-prefixes=CHECK,SSE,SSE42
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mcpu=goldmont | FileCheck %s --check-prefixes=CHECK,SSE,SSE42
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mcpu=btver2 | FileCheck %s --check-prefixes=BTVER2

 ; Verify the cost of vector arithmetic shift right instructions.

 ;
 ; Variable Shifts
 ;

 define <2 x i64> @var_shift_v2i64(<2 x i64> %a, <2 x i64> %b) {
 ; SSE-LABEL: 'var_shift_v2i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, %b
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v2i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v2i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; XOP-LABEL: 'var_shift_v2i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <2 x i64> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v2i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <2 x i64> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v2i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
   %shift = ashr <2 x i64> %a, %b
   ret <2 x i64> %shift
 }

 define <4 x i64> @var_shift_v4i64(<4 x i64> %a, <4 x i64> %b) {
 ; SSE-LABEL: 'var_shift_v4i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <4 x i64> %a, %b
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v4i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <4 x i64> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v4i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <4 x i64> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; XOP-LABEL: 'var_shift_v4i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <4 x i64> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v4i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i64> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v4i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <4 x i64> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
   %shift = ashr <4 x i64> %a, %b
   ret <4 x i64> %shift
 }

 define <8 x i64> @var_shift_v8i64(<8 x i64> %a, <8 x i64> %b) {
 ; SSE-LABEL: 'var_shift_v8i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <8 x i64> %a, %b
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v8i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <8 x i64> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v8i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <8 x i64> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; XOP-LABEL: 'var_shift_v8i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <8 x i64> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v8i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i64> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v8i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <8 x i64> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
   %shift = ashr <8 x i64> %a, %b
   ret <8 x i64> %shift
 }

 define <4 x i32> @var_shift_v4i32(<4 x i32> %a, <4 x i32> %b) {
 ; SSE2-LABEL: 'var_shift_v4i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %shift = ashr <4 x i32> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v4i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i32> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v4i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i32> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v4i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'var_shift_v4i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <4 x i32> %a, %b
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'var_shift_v4i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, %b
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v4i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v4i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i32> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
   %shift = ashr <4 x i32> %a, %b
   ret <4 x i32> %shift
 }

 define <8 x i32> @var_shift_v8i32(<8 x i32> %a, <8 x i32> %b) {
 ; SSE2-LABEL: 'var_shift_v8i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %shift = ashr <8 x i32> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v8i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <8 x i32> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v8i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <8 x i32> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v8i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'var_shift_v8i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <8 x i32> %a, %b
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'var_shift_v8i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, %b
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v8i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v8i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <8 x i32> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
   %shift = ashr <8 x i32> %a, %b
   ret <8 x i32> %shift
 }

 define <16 x i32> @var_shift_v16i32(<16 x i32> %a, <16 x i32> %b) {
 ; SSE2-LABEL: 'var_shift_v16i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %shift = ashr <16 x i32> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v16i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <16 x i32> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v16i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <16 x i32> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v16i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'var_shift_v16i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <16 x i32> %a, %b
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'var_shift_v16i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, %b
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v16i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i32> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v16i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <16 x i32> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
   %shift = ashr <16 x i32> %a, %b
   ret <16 x i32> %shift
 }

 define <8 x i16> @var_shift_v8i16(<8 x i16> %a, <8 x i16> %b) {
 ; SSE2-LABEL: 'var_shift_v8i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %shift = ashr <8 x i16> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v8i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX-LABEL: 'var_shift_v8i16'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; XOP-LABEL: 'var_shift_v8i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <8 x i16> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v8i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'var_shift_v8i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'var_shift_v8i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'var_shift_v8i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v8i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
   %shift = ashr <8 x i16> %a, %b
   ret <8 x i16> %shift
 }

 define <16 x i16> @var_shift_v16i16(<16 x i16> %a, <16 x i16> %b) {
 ; SSE2-LABEL: 'var_shift_v16i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %shift = ashr <16 x i16> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v16i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %shift = ashr <16 x i16> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v16i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v16i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; XOP-LABEL: 'var_shift_v16i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <16 x i16> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v16i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'var_shift_v16i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'var_shift_v16i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'var_shift_v16i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v16i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <16 x i16> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
   %shift = ashr <16 x i16> %a, %b
   ret <16 x i16> %shift
 }

 define <32 x i16> @var_shift_v32i16(<32 x i16> %a, <32 x i16> %b) {
 ; SSE2-LABEL: 'var_shift_v32i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 128 for instruction: %shift = ashr <32 x i16> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v32i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 56 for instruction: %shift = ashr <32 x i16> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v32i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 60 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v32i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; XOP-LABEL: 'var_shift_v32i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <32 x i16> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v32i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'var_shift_v32i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'var_shift_v32i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'var_shift_v32i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v32i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 60 for instruction: %shift = ashr <32 x i16> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
   %shift = ashr <32 x i16> %a, %b
   ret <32 x i16> %shift
 }

 define <16 x i8> @var_shift_v16i8(<16 x i8> %a, <16 x i8> %b) {
 ; SSE2-LABEL: 'var_shift_v16i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %shift = ashr <16 x i8> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v16i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX-LABEL: 'var_shift_v16i8'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %b
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; XOP-LABEL: 'var_shift_v16i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i8> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v16i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v16i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
   %shift = ashr <16 x i8> %a, %b
   ret <16 x i8> %shift
 }

 define <32 x i8> @var_shift_v32i8(<32 x i8> %a, <32 x i8> %b) {
 ; SSE2-LABEL: 'var_shift_v32i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 108 for instruction: %shift = ashr <32 x i8> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v32i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <32 x i8> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v32i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %shift = ashr <32 x i8> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v32i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <32 x i8> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; XOP-LABEL: 'var_shift_v32i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <32 x i8> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512-LABEL: 'var_shift_v32i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <32 x i8> %a, %b
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v32i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %shift = ashr <32 x i8> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
   %shift = ashr <32 x i8> %a, %b
   ret <32 x i8> %shift
 }

 define <64 x i8> @var_shift_v64i8(<64 x i8> %a, <64 x i8> %b) {
 ; SSE2-LABEL: 'var_shift_v64i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 216 for instruction: %shift = ashr <64 x i8> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v64i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %shift = ashr <64 x i8> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v64i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 100 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v64i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; XOP-LABEL: 'var_shift_v64i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <64 x i8> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v64i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'var_shift_v64i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512VL-LABEL: 'var_shift_v64i8'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BWVL-LABEL: 'var_shift_v64i8'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; BTVER2-LABEL: 'var_shift_v64i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 100 for instruction: %shift = ashr <64 x i8> %a, %b
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
   %shift = ashr <64 x i8> %a, %b
   ret <64 x i8> %shift
 }

 ;
 ; Uniform Variable Shifts
 ;

 define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, i64 %b) {
 ; SSE-LABEL: 'splatvar_shift_v2i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <2 x i64> undef, i64 %b, i32 0
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX-LABEL: 'splatvar_shift_v2i64'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <2 x i64> undef, i64 %b, i32 0
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; XOP-LABEL: 'splatvar_shift_v2i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <2 x i64> undef, i64 %b, i32 0
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v2i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <2 x i64> undef, i64 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v2i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <2 x i64> undef, i64 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
   %insert = insertelement <2 x i64> undef, i64 %b, i32 0
   %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer
   %shift = ashr <2 x i64> %a, %splat
   ret <2 x i64> %shift
 }

 define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, i64 %b) {
 ; SSE-LABEL: 'splatvar_shift_v4i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v4i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v4i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v4i64'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v4i64'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v4i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v4i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
   %insert = insertelement <4 x i64> undef, i64 %b, i32 0
   %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer
   %shift = ashr <4 x i64> %a, %splat
   ret <4 x i64> %shift
 }

 define <8 x i64> @splatvar_shift_v8i64(<8 x i64> %a, i64 %b) {
 ; SSE-LABEL: 'splatvar_shift_v8i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v8i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v8i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v8i64'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v8i64'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v8i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v8i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
   %insert = insertelement <8 x i64> undef, i64 %b, i32 0
   %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer
   %shift = ashr <8 x i64> %a, %splat
   ret <8 x i64> %shift
 }

 define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, i32 %b) {
 ; CHECK-LABEL: 'splatvar_shift_v4i32'
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i32> undef, i32 %b, i32 0
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <4 x i32> %insert, <4 x i32> undef, <4 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, %splat
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v4i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i32> undef, i32 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <4 x i32> %insert, <4 x i32> undef, <4 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
   %insert = insertelement <4 x i32> undef, i32 %b, i32 0
   %splat = shufflevector <4 x i32> %insert, <4 x i32> undef, <4 x i32> zeroinitializer
   %shift = ashr <4 x i32> %a, %splat
   ret <4 x i32> %shift
 }

 define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, i32 %b) {
 ; SSE-LABEL: 'splatvar_shift_v8i32'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v8i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v8i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v8i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v8i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v8i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v8i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
   %insert = insertelement <8 x i32> undef, i32 %b, i32 0
   %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer
   %shift = ashr <8 x i32> %a, %splat
   ret <8 x i32> %shift
 }

 define <16 x i32> @splatvar_shift_v16i32(<16 x i32> %a, i32 %b) {
 ; SSE-LABEL: 'splatvar_shift_v16i32'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v16i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v16i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v16i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v16i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v16i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v16i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
   %insert = insertelement <16 x i32> undef, i32 %b, i32 0
   %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer
   %shift = ashr <16 x i32> %a, %splat
   ret <16 x i32> %shift
 }

 define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, i16 %b) {
 ; SSE2-LABEL: 'splatvar_shift_v8i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i16> undef, i16 %b, i32 0
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v8i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i16> undef, i16 %b, i32 0
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX-LABEL: 'splatvar_shift_v8i16'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i16> undef, i16 %b, i32 0
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %splat
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; XOP-LABEL: 'splatvar_shift_v8i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i16> undef, i16 %b, i32 0
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %splat
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v8i16'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i16> undef, i16 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v8i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i16> undef, i16 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
   %insert = insertelement <8 x i16> undef, i16 %b, i32 0
   %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer
   %shift = ashr <8 x i16> %a, %splat
   ret <8 x i16> %shift
 }

 define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, i16 %b) {
 ; SSE2-LABEL: 'splatvar_shift_v16i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v16i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v16i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v16i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v16i16'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v16i16'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v16i16'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v16i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i16> undef, i16 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
   %insert = insertelement <16 x i16> undef, i16 %b, i32 0
   %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer
   %shift = ashr <16 x i16> %a, %splat
   ret <16 x i16> %shift
 }

 define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, i16 %b) {
 ; SSE2-LABEL: 'splatvar_shift_v32i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v32i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v32i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v32i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v32i16'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v32i16'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512F-LABEL: 'splatvar_shift_v32i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'splatvar_shift_v32i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'splatvar_shift_v32i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'splatvar_shift_v32i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v32i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
   %insert = insertelement <32 x i16> undef, i16 %b, i32 0
   %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer
   %shift = ashr <32 x i16> %a, %splat
   ret <32 x i16> %shift
 }

 define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, i8 %b) {
 ; SSE2-LABEL: 'splatvar_shift_v16i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v16i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX-LABEL: 'splatvar_shift_v16i8'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; XOP-LABEL: 'splatvar_shift_v16i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v16i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v16i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
   %insert = insertelement <16 x i8> undef, i8 %b, i32 0
   %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer
   %shift = ashr <16 x i8> %a, %splat
   ret <16 x i8> %shift
 }

 define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, i8 %b) {
 ; SSE2-LABEL: 'splatvar_shift_v32i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 108 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v32i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v32i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v32i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v32i8'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v32i8'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512-LABEL: 'splatvar_shift_v32i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v32i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
   %insert = insertelement <32 x i8> undef, i8 %b, i32 0
   %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer
   %shift = ashr <32 x i8> %a, %splat
   ret <32 x i8> %shift
 }

 define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, i8 %b) {
 ; SSE2-LABEL: 'splatvar_shift_v64i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 216 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v64i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX1-LABEL: 'splatvar_shift_v64i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 100 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX2-LABEL: 'splatvar_shift_v64i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v64i8'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v64i8'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512F-LABEL: 'splatvar_shift_v64i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'splatvar_shift_v64i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512VL-LABEL: 'splatvar_shift_v64i8'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BWVL-LABEL: 'splatvar_shift_v64i8'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; BTVER2-LABEL: 'splatvar_shift_v64i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 100 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
   %insert = insertelement <64 x i8> undef, i8 %b, i32 0
   %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer
   %shift = ashr <64 x i8> %a, %splat
   ret <64 x i8> %shift
 }

 ;
 ; Constant Shifts
 ;

 define <2 x i64> @constant_shift_v2i64(<2 x i64> %a) {
 ; SSE-LABEL: 'constant_shift_v2i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v2i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v2i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v2i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v2i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v2i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
   %shift = ashr <2 x i64> %a, <i64 1, i64 7>
   ret <2 x i64> %shift
 }

 define <4 x i64> @constant_shift_v4i64(<4 x i64> %a) {
 ; SSE-LABEL: 'constant_shift_v4i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v4i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v4i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v4i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v4i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v4i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
   %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
   ret <4 x i64> %shift
 }

 define <8 x i64> @constant_shift_v8i64(<8 x i64> %a) {
 ; SSE-LABEL: 'constant_shift_v8i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v8i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v8i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v8i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v8i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v8i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
   %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
   ret <8 x i64> %shift
 }

 define <4 x i32> @constant_shift_v4i32(<4 x i32> %a) {
 ; SSE2-LABEL: 'constant_shift_v4i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v4i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v4i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v4i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v4i32'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v4i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v4i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
   %shift = ashr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
   ret <4 x i32> %shift
 }

 define <8 x i32> @constant_shift_v8i32(<8 x i32> %a) {
 ; SSE2-LABEL: 'constant_shift_v8i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v8i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v8i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v8i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'constant_shift_v8i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'constant_shift_v8i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v8i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v8i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
   %shift = ashr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
   ret <8 x i32> %shift
 }

 define <16 x i32> @constant_shift_v16i32(<16 x i32> %a) {
 ; SSE2-LABEL: 'constant_shift_v16i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v16i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v16i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v16i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'constant_shift_v16i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'constant_shift_v16i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v16i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v16i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
   %shift = ashr <16 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
   ret <16 x i32> %shift
 }

 define <8 x i16> @constant_shift_v8i16(<8 x i16> %a) {
 ; SSE2-LABEL: 'constant_shift_v8i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v8i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX-LABEL: 'constant_shift_v8i16'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v8i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v8i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'constant_shift_v8i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'constant_shift_v8i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'constant_shift_v8i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v8i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
   %shift = ashr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
   ret <8 x i16> %shift
 }

 define <16 x i16> @constant_shift_v16i16(<16 x i16> %a) {
 ; SSE2-LABEL: 'constant_shift_v16i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v16i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 28 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v16i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v16i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v16i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v16i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'constant_shift_v16i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'constant_shift_v16i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'constant_shift_v16i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v16i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
   %shift = ashr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
   ret <16 x i16> %shift
 }

 define <32 x i16> @constant_shift_v32i16(<32 x i16> %a) {
 ; SSE2-LABEL: 'constant_shift_v32i16'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 128 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v32i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 56 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v32i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 60 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v32i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v32i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v32i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'constant_shift_v32i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'constant_shift_v32i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'constant_shift_v32i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v32i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 60 for instruction: %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
   %shift = ashr <32 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
   ret <32 x i16> %shift
 }

 define <16 x i8> @constant_shift_v16i8(<16 x i8> %a) {
 ; SSE2-LABEL: 'constant_shift_v16i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %shift = ashr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v16i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX-LABEL: 'constant_shift_v16i8'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v16i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v16i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v16i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
   %shift = ashr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
   ret <16 x i8> %shift
 }

 define <32 x i8> @constant_shift_v32i8(<32 x i8> %a) {
 ; SSE2-LABEL: 'constant_shift_v32i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 108 for instruction: %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v32i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v32i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v32i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v32i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512-LABEL: 'constant_shift_v32i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v32i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 50 for instruction: %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
   %shift = ashr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
   ret <32 x i8> %shift
 }

 define <64 x i8> @constant_shift_v64i8(<64 x i8> %a) {
 ; SSE2-LABEL: 'constant_shift_v64i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 216 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v64i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v64i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 100 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v64i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v64i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v64i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'constant_shift_v64i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512VL-LABEL: 'constant_shift_v64i8'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BWVL-LABEL: 'constant_shift_v64i8'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; BTVER2-LABEL: 'constant_shift_v64i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 100 for instruction: %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
   %shift = ashr <64 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
   ret <64 x i8> %shift
 }

 ;
 ; Uniform Constant Shifts
 ;

 define <2 x i64> @splatconstant_shift_v2i64(<2 x i64> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v2i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX-LABEL: 'splatconstant_shift_v2i64'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v2i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v2i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v2i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <2 x i64> %shift
 ;
   %shift = ashr <2 x i64> %a, <i64 7, i64 7>
   ret <2 x i64> %shift
 }

 define <4 x i64> @splatconstant_shift_v4i64(<4 x i64> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v4i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v4i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v4i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v4i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v4i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v4i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i64> %shift
 ;
   %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
   ret <4 x i64> %shift
 }

 define <8 x i64> @splatconstant_shift_v8i64(<8 x i64> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v8i64'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v8i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v8i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v8i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v8i64'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v8i64'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i64> %shift
 ;
   %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
   ret <8 x i64> %shift
 }

 define <4 x i32> @splatconstant_shift_v4i32(<4 x i32> %a) {
 ; CHECK-LABEL: 'splatconstant_shift_v4i32'
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, <i32 5, i32 5, i32 5, i32 5>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v4i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, <i32 5, i32 5, i32 5, i32 5>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <4 x i32> %shift
 ;
   %shift = ashr <4 x i32> %a, <i32 5, i32 5, i32 5, i32 5>
   ret <4 x i32> %shift
 }

 define <8 x i32> @splatconstant_shift_v8i32(<8 x i32> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v8i32'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v8i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v8i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'splatconstant_shift_v8i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'splatconstant_shift_v8i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v8i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v8i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i32> %shift
 ;
   %shift = ashr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
   ret <8 x i32> %shift
 }

 define <16 x i32> @splatconstant_shift_v16i32(<16 x i32> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v16i32'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v16i32'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v16i32'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'splatconstant_shift_v16i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX2-LABEL: 'splatconstant_shift_v16i32'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v16i32'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v16i32'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i32> %shift
 ;
   %shift = ashr <16 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
   ret <16 x i32> %shift
 }

 define <8 x i16> @splatconstant_shift_v8i16(<8 x i16> %a) {
 ; CHECK-LABEL: 'splatconstant_shift_v8i16'
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v8i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <8 x i16> %shift
 ;
   %shift = ashr <8 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
   ret <8 x i16> %shift
 }

 define <16 x i16> @splatconstant_shift_v16i16(<16 x i16> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v16i16'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v16i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v16i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; XOPAVX1-LABEL: 'splatconstant_shift_v16i16'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; XOPAVX2-LABEL: 'splatconstant_shift_v16i16'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v16i16'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v16i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i16> %shift
 ;
   %shift = ashr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
   ret <16 x i16> %shift
 }

 define <32 x i16> @splatconstant_shift_v32i16(<32 x i16> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v32i16'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v32i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v32i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; XOPAVX1-LABEL: 'splatconstant_shift_v32i16'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; XOPAVX2-LABEL: 'splatconstant_shift_v32i16'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512F-LABEL: 'splatconstant_shift_v32i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'splatconstant_shift_v32i16'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512VL-LABEL: 'splatconstant_shift_v32i16'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512BWVL-LABEL: 'splatconstant_shift_v32i16'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v32i16'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i16> %shift
 ;
   %shift = ashr <32 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
   ret <32 x i16> %shift
 }

 define <16 x i8> @splatconstant_shift_v16i8(<16 x i8> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v16i8'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX-LABEL: 'splatconstant_shift_v16i8'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v16i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v16i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v16i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <16 x i8> %shift
 ;
   %shift = ashr <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
   ret <16 x i8> %shift
 }

 define <32 x i8> @splatconstant_shift_v32i8(<32 x i8> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v32i8'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v32i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v32i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v32i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512-LABEL: 'splatconstant_shift_v32i8'
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v32i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <32 x i8> %shift
 ;
   %shift = ashr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
   ret <32 x i8> %shift
 }

 define <64 x i8> @splatconstant_shift_v64i8(<64 x i8> %a) {
 ; SSE-LABEL: 'splatconstant_shift_v64i8'
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; SSE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v64i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v64i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v64i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512F-LABEL: 'splatconstant_shift_v64i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'splatconstant_shift_v64i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512VL-LABEL: 'splatconstant_shift_v64i8'
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX512VL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BWVL-LABEL: 'splatconstant_shift_v64i8'
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; AVX512BWVL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
 ; BTVER2-LABEL: 'splatconstant_shift_v64i8'
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
 ; BTVER2-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret <64 x i8> %shift
 ;
   %shift = ashr <64 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
   ret <64 x i8> %shift
 }