| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+sse2 < %s | FileCheck %s --check-prefix=SSE |
| ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx < %s | FileCheck %s --check-prefix=AVX |
| |
| ; Verify we fold loads into unary sse intrinsics only when optimizing for size |
| |
| define float @rcpss(float* %a) { |
| ; SSE-LABEL: rcpss: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: movss (%rdi), %xmm0 |
| ; SSE-NEXT: rcpss %xmm0, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: rcpss: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vmovss (%rdi), %xmm0 |
| ; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load float, float* %a |
| %ins = insertelement <4 x float> undef, float %ld, i32 0 |
| %res = tail call <4 x float> @llvm.x86.sse.rcp.ss(<4 x float> %ins) |
| %ext = extractelement <4 x float> %res, i32 0 |
| ret float %ext |
| } |
| |
| define float @rsqrtss(float* %a) { |
| ; SSE-LABEL: rsqrtss: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: movss (%rdi), %xmm0 |
| ; SSE-NEXT: rsqrtss %xmm0, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: rsqrtss: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vmovss (%rdi), %xmm0 |
| ; AVX-NEXT: vrsqrtss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load float, float* %a |
| %ins = insertelement <4 x float> undef, float %ld, i32 0 |
| %res = tail call <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float> %ins) |
| %ext = extractelement <4 x float> %res, i32 0 |
| ret float %ext |
| } |
| |
| define float @sqrtss(float* %a) { |
| ; SSE-LABEL: sqrtss: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: movss (%rdi), %xmm0 |
| ; SSE-NEXT: sqrtss %xmm0, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: sqrtss: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vmovss (%rdi), %xmm0 |
| ; AVX-NEXT: vsqrtss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load float, float* %a |
| %ins = insertelement <4 x float> undef, float %ld, i32 0 |
| %res = tail call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %ins) |
| %ext = extractelement <4 x float> %res, i32 0 |
| ret float %ext |
| } |
| |
| define double @sqrtsd(double* %a) { |
| ; SSE-LABEL: sqrtsd: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: movsd (%rdi), %xmm0 |
| ; SSE-NEXT: sqrtsd %xmm0, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: sqrtsd: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vmovsd (%rdi), %xmm0 |
| ; AVX-NEXT: vsqrtsd %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load double, double* %a |
| %ins = insertelement <2 x double> undef, double %ld, i32 0 |
| %res = tail call <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double> %ins) |
| %ext = extractelement <2 x double> %res, i32 0 |
| ret double %ext |
| } |
| |
| define float @rcpss_size(float* %a) optsize { |
| ; SSE-LABEL: rcpss_size: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpss (%rdi), %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: rcpss_size: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vrcpss (%rdi), %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load float, float* %a |
| %ins = insertelement <4 x float> undef, float %ld, i32 0 |
| %res = tail call <4 x float> @llvm.x86.sse.rcp.ss(<4 x float> %ins) |
| %ext = extractelement <4 x float> %res, i32 0 |
| ret float %ext |
| } |
| |
| define float @rsqrtss_size(float* %a) optsize { |
| ; SSE-LABEL: rsqrtss_size: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rsqrtss (%rdi), %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: rsqrtss_size: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vrsqrtss (%rdi), %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load float, float* %a |
| %ins = insertelement <4 x float> undef, float %ld, i32 0 |
| %res = tail call <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float> %ins) |
| %ext = extractelement <4 x float> %res, i32 0 |
| ret float %ext |
| } |
| |
| define float @sqrtss_size(float* %a) optsize{ |
| ; SSE-LABEL: sqrtss_size: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: sqrtss (%rdi), %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: sqrtss_size: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vsqrtss (%rdi), %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load float, float* %a |
| %ins = insertelement <4 x float> undef, float %ld, i32 0 |
| %res = tail call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %ins) |
| %ext = extractelement <4 x float> %res, i32 0 |
| ret float %ext |
| } |
| |
| define double @sqrtsd_size(double* %a) optsize { |
| ; SSE-LABEL: sqrtsd_size: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: sqrtsd (%rdi), %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: sqrtsd_size: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vsqrtsd (%rdi), %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %ld = load double, double* %a |
| %ins = insertelement <2 x double> undef, double %ld, i32 0 |
| %res = tail call <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double> %ins) |
| %ext = extractelement <2 x double> %res, i32 0 |
| ret double %ext |
| } |
| |
| declare <4 x float> @llvm.x86.sse.rcp.ss(<4 x float>) nounwind readnone |
| declare <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float>) nounwind readnone |
| declare <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float>) nounwind readnone |
| declare <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double>) nounwind readnone |