diff options
Diffstat (limited to 'llvm/test/Analysis/CostModel/X86/ctlz.ll')
| -rw-r--r-- | llvm/test/Analysis/CostModel/X86/ctlz.ll | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/llvm/test/Analysis/CostModel/X86/ctlz.ll b/llvm/test/Analysis/CostModel/X86/ctlz.ll new file mode 100644 index 00000000000..2c97da15aee --- /dev/null +++ b/llvm/test/Analysis/CostModel/X86/ctlz.ll @@ -0,0 +1,233 @@ +; 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 -check-prefix=NOPOPCNT +; 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 -check-prefix=POPCNT +; 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 -check-prefix=POPCNT +; 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 -check-prefix=POPCNT +; 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 -check-prefix=POPCNT +; 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 -check-prefix=POPCNT + +; 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) + +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 + %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 + %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 + %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 + %ctlz = call <4 x i64> @llvm.ctlz.v4i64(<4 x i64> %a, i1 1) + ret <4 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 + %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 + %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 + %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 + %ctlz = call <8 x i32> @llvm.ctlz.v8i32(<8 x i32> %a, i1 1) + ret <8 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 + %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 + %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 + %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 + %ctlz = call <16 x i16> @llvm.ctlz.v16i16(<16 x i16> %a, i1 1) + ret <16 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 + %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 + %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 + %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 + %ctlz = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> %a, i1 1) + ret <32 x i8> %ctlz +} |
