| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=pentium4 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=SSE -check-prefix=SSE2 |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=SSE -check-prefix=SSE42 |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7-avx -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX -check-prefix=AVX1 |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=core-avx2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX -check-prefix=AVX2 |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX -check-prefix=AVX1 |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver4 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX -check-prefix=AVX2 |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=knl -mattr=-avx512cd -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX512 -check-prefix=AVX512F |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skx -mattr=-avx512cd -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX512 -check-prefix=AVX512BW |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skx -mattr=+avx512cd -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX512CD |
| |
| ; Verify the cost of scalar leading zero count instructions. |
| |
| declare i64 @llvm.ctlz.i64(i64, i1) |
| declare i32 @llvm.ctlz.i32(i32, i1) |
| declare i16 @llvm.ctlz.i16(i16, i1) |
| declare i8 @llvm.ctlz.i8(i8, i1) |
| |
| define i64 @var_ctlz_i64(i64 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i64': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i64 @llvm.ctlz.i64(i64 %a, i1 0) |
| ret i64 %ctlz |
| } |
| |
| define i64 @var_ctlz_i64u(i64 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i64u': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i64 @llvm.ctlz.i64(i64 %a, i1 1) |
| ret i64 %ctlz |
| } |
| |
| define i32 @var_ctlz_i32(i32 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i32': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i32 @llvm.ctlz.i32(i32 %a, i1 0) |
| ret i32 %ctlz |
| } |
| |
| define i32 @var_ctlz_i32u(i32 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i32u': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i32 @llvm.ctlz.i32(i32 %a, i1 1) |
| ret i32 %ctlz |
| } |
| |
| define i16 @var_ctlz_i16(i16 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i16': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i16 @llvm.ctlz.i16(i16 %a, i1 0) |
| ret i16 %ctlz |
| } |
| |
| define i16 @var_ctlz_i16u(i16 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i16u': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i16 @llvm.ctlz.i16(i16 %a, i1 1) |
| ret i16 %ctlz |
| } |
| |
| define i8 @var_ctlz_i8(i8 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i8': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i8 @llvm.ctlz.i8(i8 %a, i1 0) |
| ret i8 %ctlz |
| } |
| |
| define i8 @var_ctlz_i8u(i8 %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_i8u': |
| ; CHECK: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call i8 @llvm.ctlz.i8(i8 %a, i1 1) |
| ret i8 %ctlz |
| } |
| |
| ; Verify the cost of vector leading zero count instructions. |
| |
| declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1) |
| declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>, i1) |
| declare <8 x i16> @llvm.ctlz.v8i16(<8 x i16>, i1) |
| declare <16 x i8> @llvm.ctlz.v16i8(<16 x i8>, i1) |
| |
| declare <4 x i64> @llvm.ctlz.v4i64(<4 x i64>, i1) |
| declare <8 x i32> @llvm.ctlz.v8i32(<8 x i32>, i1) |
| declare <16 x i16> @llvm.ctlz.v16i16(<16 x i16>, i1) |
| declare <32 x i8> @llvm.ctlz.v32i8(<32 x i8>, i1) |
| |
| declare <8 x i64> @llvm.ctlz.v8i64(<8 x i64>, i1) |
| declare <16 x i32> @llvm.ctlz.v16i32(<16 x i32>, i1) |
| declare <32 x i16> @llvm.ctlz.v32i16(<32 x i16>, i1) |
| declare <64 x i8> @llvm.ctlz.v64i8(<64 x i8>, i1) |
| |
| define <2 x i64> @var_ctlz_v2i64(<2 x i64> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v2i64': |
| ; SSE2: Found an estimated cost of 25 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 0) |
| ret <2 x i64> %ctlz |
| } |
| |
| define <2 x i64> @var_ctlz_v2i64u(<2 x i64> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v2i64u': |
| ; SSE2: Found an estimated cost of 25 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 1) |
| ret <2 x i64> %ctlz |
| } |
| |
| define <4 x i64> @var_ctlz_v4i64(<4 x i64> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v4i64': |
| ; SSE2: Found an estimated cost of 50 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 46 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 48 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <4 x i64> @llvm.ctlz.v4i64(<4 x i64> %a, i1 0) |
| ret <4 x i64> %ctlz |
| } |
| |
| define <4 x i64> @var_ctlz_v4i64u(<4 x i64> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v4i64u': |
| ; SSE2: Found an estimated cost of 50 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 46 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 48 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <4 x i64> @llvm.ctlz.v4i64(<4 x i64> %a, i1 1) |
| ret <4 x i64> %ctlz |
| } |
| |
| define <8 x i64> @var_ctlz_v8i64(<8 x i64> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v8i64': |
| ; SSE2: Found an estimated cost of 100 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 92 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 96 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 46 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 29 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <8 x i64> @llvm.ctlz.v8i64(<8 x i64> %a, i1 0) |
| ret <8 x i64> %ctlz |
| } |
| |
| define <8 x i64> @var_ctlz_v8i64u(<8 x i64> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v8i64u': |
| ; SSE2: Found an estimated cost of 100 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 92 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 96 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 46 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 29 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 23 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <8 x i64> @llvm.ctlz.v8i64(<8 x i64> %a, i1 1) |
| ret <8 x i64> %ctlz |
| } |
| |
| define <4 x i32> @var_ctlz_v4i32(<4 x i32> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v4i32': |
| ; SSE2: Found an estimated cost of 26 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %a, i1 0) |
| ret <4 x i32> %ctlz |
| } |
| |
| define <4 x i32> @var_ctlz_v4i32u(<4 x i32> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v4i32u': |
| ; SSE2: Found an estimated cost of 26 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %a, i1 1) |
| ret <4 x i32> %ctlz |
| } |
| |
| define <8 x i32> @var_ctlz_v8i32(<8 x i32> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v8i32': |
| ; SSE2: Found an estimated cost of 52 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 36 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 38 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <8 x i32> @llvm.ctlz.v8i32(<8 x i32> %a, i1 0) |
| ret <8 x i32> %ctlz |
| } |
| |
| define <8 x i32> @var_ctlz_v8i32u(<8 x i32> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v8i32u': |
| ; SSE2: Found an estimated cost of 52 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 36 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 38 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <8 x i32> @llvm.ctlz.v8i32(<8 x i32> %a, i1 1) |
| ret <8 x i32> %ctlz |
| } |
| |
| define <16 x i32> @var_ctlz_v16i32(<16 x i32> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v16i32': |
| ; SSE2: Found an estimated cost of 104 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 72 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 76 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 36 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 35 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 22 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %a, i1 0) |
| ret <16 x i32> %ctlz |
| } |
| |
| define <16 x i32> @var_ctlz_v16i32u(<16 x i32> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v16i32u': |
| ; SSE2: Found an estimated cost of 104 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 72 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 76 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 36 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 35 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 22 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 1 for instruction: %ctlz |
| %ctlz = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %a, i1 1) |
| ret <16 x i32> %ctlz |
| } |
| |
| define <8 x i16> @var_ctlz_v8i16(<8 x i16> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v8i16': |
| ; SSE2: Found an estimated cost of 20 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 4 for instruction: %ctlz |
| %ctlz = call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %a, i1 0) |
| ret <8 x i16> %ctlz |
| } |
| |
| define <8 x i16> @var_ctlz_v8i16u(<8 x i16> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v8i16u': |
| ; SSE2: Found an estimated cost of 20 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 4 for instruction: %ctlz |
| %ctlz = call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %a, i1 1) |
| ret <8 x i16> %ctlz |
| } |
| |
| define <16 x i16> @var_ctlz_v16i16(<16 x i16> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v16i16': |
| ; SSE2: Found an estimated cost of 40 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 28 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 30 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 4 for instruction: %ctlz |
| %ctlz = call <16 x i16> @llvm.ctlz.v16i16(<16 x i16> %a, i1 0) |
| ret <16 x i16> %ctlz |
| } |
| |
| define <16 x i16> @var_ctlz_v16i16u(<16 x i16> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v16i16u': |
| ; SSE2: Found an estimated cost of 40 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 28 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 30 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 14 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 4 for instruction: %ctlz |
| %ctlz = call <16 x i16> @llvm.ctlz.v16i16(<16 x i16> %a, i1 1) |
| ret <16 x i16> %ctlz |
| } |
| |
| define <32 x i16> @var_ctlz_v32i16(<32 x i16> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v32i16': |
| ; SSE2: Found an estimated cost of 80 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 56 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 60 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 28 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 28 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 8 for instruction: %ctlz |
| %ctlz = call <32 x i16> @llvm.ctlz.v32i16(<32 x i16> %a, i1 0) |
| ret <32 x i16> %ctlz |
| } |
| |
| define <32 x i16> @var_ctlz_v32i16u(<32 x i16> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v32i16u': |
| ; SSE2: Found an estimated cost of 80 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 56 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 60 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 28 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 28 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 8 for instruction: %ctlz |
| %ctlz = call <32 x i16> @llvm.ctlz.v32i16(<32 x i16> %a, i1 1) |
| ret <32 x i16> %ctlz |
| } |
| |
| define <16 x i8> @var_ctlz_v16i8(<16 x i8> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v16i8': |
| ; SSE2: Found an estimated cost of 17 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 4 for instruction: %ctlz |
| %ctlz = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %a, i1 0) |
| ret <16 x i8> %ctlz |
| } |
| |
| define <16 x i8> @var_ctlz_v16i8u(<16 x i8> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v16i8u': |
| ; SSE2: Found an estimated cost of 17 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 4 for instruction: %ctlz |
| %ctlz = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %a, i1 1) |
| ret <16 x i8> %ctlz |
| } |
| |
| define <32 x i8> @var_ctlz_v32i8(<32 x i8> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v32i8': |
| ; SSE2: Found an estimated cost of 34 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 20 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 10 for instruction: %ctlz |
| %ctlz = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %a, i1 0) |
| ret <32 x i8> %ctlz |
| } |
| |
| define <32 x i8> @var_ctlz_v32i8u(<32 x i8> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v32i8u': |
| ; SSE2: Found an estimated cost of 34 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 20 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512: Found an estimated cost of 9 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 10 for instruction: %ctlz |
| %ctlz = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %a, i1 1) |
| ret <32 x i8> %ctlz |
| } |
| |
| define <64 x i8> @var_ctlz_v64i8(<64 x i8> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v64i8': |
| ; SSE2: Found an estimated cost of 68 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 36 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 40 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 17 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 20 for instruction: %ctlz |
| %ctlz = call <64 x i8> @llvm.ctlz.v64i8(<64 x i8> %a, i1 0) |
| ret <64 x i8> %ctlz |
| } |
| |
| define <64 x i8> @var_ctlz_v64i8u(<64 x i8> %a) { |
| ; CHECK: 'Cost Model Analysis' for function 'var_ctlz_v64i8u': |
| ; SSE2: Found an estimated cost of 68 for instruction: %ctlz |
| ; SSE42: Found an estimated cost of 36 for instruction: %ctlz |
| ; AVX1: Found an estimated cost of 40 for instruction: %ctlz |
| ; AVX2: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512F: Found an estimated cost of 18 for instruction: %ctlz |
| ; AVX512BW: Found an estimated cost of 17 for instruction: %ctlz |
| ; AVX512CD: Found an estimated cost of 20 for instruction: %ctlz |
| %ctlz = call <64 x i8> @llvm.ctlz.v64i8(<64 x i8> %a, i1 1) |
| ret <64 x i8> %ctlz |
| } |