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

 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,SSE2
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+sse4.2 | FileCheck %s --check-prefixes=CHECK,SSE42
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx | FileCheck %s --check-prefixes=CHECK,AVX,AVX1
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX,AVX2
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+xop,+avx | FileCheck %s --check-prefixes=CHECK,XOP,XOPAVX1
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+xop,+avx2 | FileCheck %s --check-prefixes=CHECK,XOP,XOPAVX2
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512F
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f,+avx512dq | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512F
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f,+avx512bw | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512BW
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512F
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f,+avx512dq,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512F
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f,+avx512bw,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512BW
 ;
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mcpu=slm | FileCheck %s --check-prefixes=CHECK,SSE42
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mcpu=goldmont | FileCheck %s --check-prefixes=CHECK,SSE42
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mcpu=btver2 | FileCheck %s --check-prefixes=CHECK,AVX,AVX1
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mcpu=tigerlake | FileCheck %s --check-prefixes=CHECK,AVX512,AVX512GFNI

 ; Verify the cost of vector logical shift right instructions.

 ;
 ; Variable Shifts
 ;

 define <2 x i64> @var_shift_v2i64(<2 x i64> %a, <2 x i64> %b) {
 ; SSE2-LABEL: 'var_shift_v2i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v2i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <2 x i64> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v2i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <2 x i64> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v2i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <2 x i64> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; XOP-LABEL: 'var_shift_v2i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <2 x i64> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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) {
 ; SSE2-LABEL: 'var_shift_v4i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <4 x i64> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v4i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v4i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 22 for instruction: %shift = ashr <4 x i64> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v4i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <4 x i64> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; XOP-LABEL: 'var_shift_v4i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <4 x i64> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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) {
 ; SSE2-LABEL: 'var_shift_v8i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %shift = ashr <8 x i64> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v8i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v8i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 44 for instruction: %shift = ashr <8 x i64> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v8i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <8 x i64> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; XOP-LABEL: 'var_shift_v8i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <8 x i64> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 15 for instruction: %shift = ashr <4 x i32> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v4i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %shift = ashr <4 x i32> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 for instruction: ret <4 x i32> %shift
 ;
 ; XOP-LABEL: 'var_shift_v4i32'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <4 x i32> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 30 for instruction: %shift = ashr <8 x i32> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v8i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <8 x i32> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'var_shift_v8i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <8 x i32> %a, %b
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 60 for instruction: %shift = ashr <16 x i32> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v16i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 60 for instruction: %shift = ashr <16 x i32> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'var_shift_v16i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <16 x i32> %a, %b
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 31 for instruction: %shift = ashr <8 x i16> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v8i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 23 for instruction: %shift = ashr <8 x i16> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v8i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX2-LABEL: 'var_shift_v8i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %shift
 ;
 ; XOP-LABEL: 'var_shift_v8i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v8i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'var_shift_v8i16'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <8 x i16> %a, %b
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 62 for instruction: %shift = ashr <16 x i16> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v16i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 46 for instruction: %shift = ashr <16 x i16> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v16i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <16 x i16> %shift
 ;
 ; XOP-LABEL: 'var_shift_v16i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <16 x i16> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'var_shift_v16i16'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i16> %a, %b
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 124 for instruction: %shift = ashr <32 x i16> %a, %b
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v32i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 92 for instruction: %shift = ashr <32 x i16> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v32i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 62 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; XOP-LABEL: 'var_shift_v32i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <32 x i16> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v32i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'var_shift_v32i16'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <32 x i16> %a, %b
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <16 x i8> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v16i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <16 x i8> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <16 x i8> %shift
 ;
 ; XOP-LABEL: 'var_shift_v16i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i8> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v16i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <16 x i8> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'var_shift_v16i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i8> %a, %b
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'var_shift_v16i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i8> %a, %b
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v32i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 60 for instruction: %shift = ashr <32 x i8> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v32i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %shift = ashr <32 x i8> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; XOP-LABEL: 'var_shift_v32i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <32 x i8> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; SSE42-LABEL: 'var_shift_v64i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 120 for instruction: %shift = ashr <64 x i8> %a, %b
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX1-LABEL: 'var_shift_v64i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; XOP-LABEL: 'var_shift_v64i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <64 x i8> %a, %b
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512F-LABEL: 'var_shift_v64i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'var_shift_v64i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'var_shift_v64i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %shift = ashr <64 x i8> %a, %b
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'splatvar_shift_v2i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <2 x i64> undef, i64 %b, i32 0
 ; SSE2-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
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v2i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <2 x i64> undef, i64 %b, i32 0
 ; SSE42-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
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <2 x i64> %a, %splat
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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) {
 ; SSE2-LABEL: 'splatvar_shift_v4i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; SSE2-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
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v4i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <4 x i64> undef, i64 %b, i32 0
 ; SSE42-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
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 5 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 10 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <4 x i64> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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) {
 ; SSE2-LABEL: 'splatvar_shift_v8i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; SSE2-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
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v8i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i64> undef, i64 %b, i32 0
 ; SSE42-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
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 10 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 20 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 10 for instruction: %shift = ashr <8 x i64> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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) {
 ; SSE2-LABEL: 'splatvar_shift_v8i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; SSE2-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
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v8i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <8 x i32> undef, i32 %b, i32 0
 ; SSE42-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
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <8 x i32> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'splatvar_shift_v16i32'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; SSE2-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
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %shift
 ;
 ; SSE42-LABEL: 'splatvar_shift_v16i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i32> undef, i32 %b, i32 0
 ; SSE42-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
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 10 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 4 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 10 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 4 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <16 x i32> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 1 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 1 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 1 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 1 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 1 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 5 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <16 x i16> %a, %splat
 ; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 10 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 4 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 10 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 4 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 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 2 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatvar_shift_v32i16'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i16> undef, i16 %b, i32 0
 ; AVX512GFNI-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
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %shift = ashr <32 x i16> %a, %splat
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 9 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 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 9 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 9 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; XOPAVX1-LABEL: 'splatvar_shift_v16i8'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; XOPAVX1-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
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; XOPAVX2-LABEL: 'splatvar_shift_v16i8'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; XOPAVX2-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
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512F-LABEL: 'splatvar_shift_v16i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; AVX512F-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
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'splatvar_shift_v16i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; AVX512BW-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
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatvar_shift_v16i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <16 x i8> undef, i8 %b, i32 0
 ; AVX512GFNI-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
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %shift = ashr <16 x i8> %a, %splat
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 18 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 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 18 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 16 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 11 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 5 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 11 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512F-LABEL: 'splatvar_shift_v32i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; AVX512F-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
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'splatvar_shift_v32i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; AVX512BW-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
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatvar_shift_v32i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <32 x i8> undef, i8 %b, i32 0
 ; AVX512GFNI-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
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <32 x i8> %a, %splat
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 36 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 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 36 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 32 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 22 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 10 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 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 22 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 51 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 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 10 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatvar_shift_v64i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %insert = insertelement <64 x i8> undef, i8 %b, i32 0
 ; AVX512GFNI-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
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <64 x i8> %a, %splat
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'constant_shift_v2i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v2i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v2i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v2i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <2 x i64> %a, <i64 1, i64 7>
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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) {
 ; SSE2-LABEL: 'constant_shift_v4i64'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v4i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %shift = ashr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v4i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 22 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 1 for instruction: ret <4 x i64> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v4i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 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 1 for instruction: ret <4 x i64> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v4i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 5 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 1 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 1 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) {
 ; SSE2-LABEL: 'constant_shift_v8i64'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v8i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 20 for instruction: %shift = ashr <8 x i64> %a, <i64 1, i64 7, i64 15, i64 31, i64 1, i64 7, i64 15, i64 31>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v8i64'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 44 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 1 for instruction: ret <8 x i64> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v8i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 10 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 1 for instruction: ret <8 x i64> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v8i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 10 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 1 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 1 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 15 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 1 for instruction: ret <4 x i32> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v4i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 15 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 1 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 1 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 1 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 1 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 1 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 30 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 1 for instruction: ret <8 x i32> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v8i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 30 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 1 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 1 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 1 for instruction: ret <8 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'constant_shift_v8i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 5 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 1 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 1 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 1 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 60 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 1 for instruction: ret <16 x i32> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v16i32'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 60 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 1 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 1 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 1 for instruction: ret <16 x i32> %shift
 ;
 ; XOPAVX1-LABEL: 'constant_shift_v16i32'
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 10 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 1 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 1 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 1 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 31 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 1 for instruction: ret <8 x i16> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v8i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 23 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 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v8i16'
 ; AVX1-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>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX2-LABEL: 'constant_shift_v8i16'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %shift = ashr <8 x i16> %a, <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 1 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 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v8i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 5 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 1 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 1 for instruction: ret <8 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'constant_shift_v8i16'
 ; AVX512GFNI-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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 62 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 1 for instruction: ret <16 x i16> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v16i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 46 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 1 for instruction: ret <16 x i16> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v16i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 31 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 1 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 1 for instruction: ret <16 x i16> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v16i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 5 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 1 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 1 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 1 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'constant_shift_v16i16'
 ; AVX512GFNI-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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 124 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v32i16'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 92 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v32i16'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 62 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 1 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v32i16'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 10 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v32i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 11 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 1 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'constant_shift_v32i16'
 ; AVX512GFNI-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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <16 x i8> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v16i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 30 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 1 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 1 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 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v16i8'
 ; AVX512F-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>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'constant_shift_v16i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 4 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>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'constant_shift_v16i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 4 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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v32i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 60 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v32i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 51 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 1 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v32i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 5 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 1 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 1 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; SSE42-LABEL: 'constant_shift_v64i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 120 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX1-LABEL: 'constant_shift_v64i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 102 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 1 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; XOP-LABEL: 'constant_shift_v64i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 10 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512F-LABEL: 'constant_shift_v64i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 51 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'constant_shift_v64i8'
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 30 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'constant_shift_v64i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 30 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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v2i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v2i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; AVX-LABEL: 'splatconstant_shift_v2i64'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v2i64'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %shift = ashr <2 x i64> %a, <i64 7, i64 7>
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v4i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v4i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v4i64'
 ; AVX1-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>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v4i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 3 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 1 for instruction: ret <4 x i64> %shift
 ;
 ; XOPAVX1-LABEL: 'splatconstant_shift_v4i64'
 ; XOPAVX1-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>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %shift
 ;
 ; XOPAVX2-LABEL: 'splatconstant_shift_v4i64'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %shift = ashr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v8i64'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v8i64'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v8i64'
 ; AVX1-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>
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v8i64'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 6 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 1 for instruction: ret <8 x i64> %shift
 ;
 ; XOPAVX1-LABEL: 'splatconstant_shift_v8i64'
 ; XOPAVX1-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>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %shift
 ;
 ; XOPAVX2-LABEL: 'splatconstant_shift_v8i64'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %shift = ashr <8 x i64> %a, <i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7, i64 7>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v8i32'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v8i32'
 ; SSE42-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>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 1 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 1 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 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v16i32'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v16i32'
 ; SSE42-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>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 1 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 1 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 1 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 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v16i16'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v16i16'
 ; SSE42-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>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 1 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 1 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512F-LABEL: 'splatconstant_shift_v16i16'
 ; AVX512F-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>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512BW-LABEL: 'splatconstant_shift_v16i16'
 ; AVX512BW-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>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatconstant_shift_v16i16'
 ; AVX512GFNI-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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v32i16'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v32i16'
 ; SSE42-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>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 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 1 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 1 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 1 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512F-LABEL: 'splatconstant_shift_v32i16'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 5 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 1 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 1 for instruction: ret <32 x i16> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatconstant_shift_v32i16'
 ; AVX512GFNI-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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v16i8'
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 5 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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v16i8'
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 5 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>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX-LABEL: 'splatconstant_shift_v16i8'
 ; AVX-NEXT:  Cost Model: Found an estimated cost of 5 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 1 for instruction: ret <16 x i8> %shift
 ;
 ; XOPAVX1-LABEL: 'splatconstant_shift_v16i8'
 ; XOPAVX1-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>
 ; XOPAVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; XOPAVX2-LABEL: 'splatconstant_shift_v16i8'
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 5 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>
 ; XOPAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512F-LABEL: 'splatconstant_shift_v16i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 5 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>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'splatconstant_shift_v16i8'
 ; AVX512BW-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>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatconstant_shift_v16i8'
 ; AVX512GFNI-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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v32i8'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v32i8'
 ; SSE42-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>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v32i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 12 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v32i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 5 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v32i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 5 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 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512F-LABEL: 'splatconstant_shift_v32i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 5 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>
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512BW-LABEL: 'splatconstant_shift_v32i8'
 ; AVX512BW-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>
 ; AVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatconstant_shift_v32i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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) {
 ; SSE2-LABEL: 'splatconstant_shift_v64i8'
 ; SSE2-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>
 ; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %shift
 ;
 ; SSE42-LABEL: 'splatconstant_shift_v64i8'
 ; SSE42-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>
 ; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX1-LABEL: 'splatconstant_shift_v64i8'
 ; AVX1-NEXT:  Cost Model: Found an estimated cost of 24 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX2-LABEL: 'splatconstant_shift_v64i8'
 ; AVX2-NEXT:  Cost Model: Found an estimated cost of 10 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; XOP-LABEL: 'splatconstant_shift_v64i8'
 ; XOP-NEXT:  Cost Model: Found an estimated cost of 10 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512F-LABEL: 'splatconstant_shift_v64i8'
 ; AVX512F-NEXT:  Cost Model: Found an estimated cost of 12 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 1 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 1 for instruction: ret <64 x i8> %shift
 ;
 ; AVX512GFNI-LABEL: 'splatconstant_shift_v64i8'
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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>
 ; AVX512GFNI-NEXT:  Cost Model: Found an estimated cost of 1 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
 }