| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -disable-peephole -mtriple=i686-apple-darwin9 -mattr=+sse,+sse2,+sse4.1 | FileCheck %s --check-prefix=X32 |
| ; RUN: llc < %s -disable-peephole -mtriple=x86_64-apple-darwin9 -mattr=+sse,+sse2,+sse4.1 | FileCheck %s --check-prefix=X64 |
| ; RUN: llc < %s -disable-peephole -mtriple=i686-apple-darwin9 -mattr=+avx | FileCheck %s --check-prefix=X32_AVX --check-prefix=X32_AVX1 |
| ; RUN: llc < %s -disable-peephole -mtriple=x86_64-apple-darwin9 -mattr=+avx | FileCheck %s --check-prefix=X64_AVX --check-prefix=X64_AVX1 |
| ; RUN: llc < %s -disable-peephole -mtriple=i686-apple-darwin9 -mattr=+avx512f | FileCheck %s --check-prefix=X32_AVX --check-prefix=X32_AVX512 |
| ; RUN: llc < %s -disable-peephole -mtriple=x86_64-apple-darwin9 -mattr=+avx512f | FileCheck %s --check-prefix=X64_AVX --check-prefix=X64_AVX512 |
| |
| define i16 @test1(float %f) nounwind { |
| ; X32-LABEL: test1: |
| ; X32: ## %bb.0: |
| ; X32-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X32-NEXT: addss LCPI0_0, %xmm0 |
| ; X32-NEXT: mulss LCPI0_1, %xmm0 |
| ; X32-NEXT: xorps %xmm1, %xmm1 |
| ; X32-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3] |
| ; X32-NEXT: minss LCPI0_2, %xmm0 |
| ; X32-NEXT: maxss %xmm1, %xmm0 |
| ; X32-NEXT: cvttss2si %xmm0, %eax |
| ; X32-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test1: |
| ; X64: ## %bb.0: |
| ; X64-NEXT: addss {{.*}}(%rip), %xmm0 |
| ; X64-NEXT: mulss {{.*}}(%rip), %xmm0 |
| ; X64-NEXT: xorps %xmm1, %xmm1 |
| ; X64-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3] |
| ; X64-NEXT: minss {{.*}}(%rip), %xmm0 |
| ; X64-NEXT: maxss %xmm1, %xmm0 |
| ; X64-NEXT: cvttss2si %xmm0, %eax |
| ; X64-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX1-LABEL: test1: |
| ; X32_AVX1: ## %bb.0: |
| ; X32_AVX1-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X32_AVX1-NEXT: vaddss LCPI0_0, %xmm0, %xmm0 |
| ; X32_AVX1-NEXT: vmulss LCPI0_1, %xmm0, %xmm0 |
| ; X32_AVX1-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X32_AVX1-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3] |
| ; X32_AVX1-NEXT: vminss LCPI0_2, %xmm0, %xmm0 |
| ; X32_AVX1-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X32_AVX1-NEXT: vcvttss2si %xmm0, %eax |
| ; X32_AVX1-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X32_AVX1-NEXT: retl |
| ; |
| ; X64_AVX1-LABEL: test1: |
| ; X64_AVX1: ## %bb.0: |
| ; X64_AVX1-NEXT: vaddss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX1-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX1-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X64_AVX1-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3] |
| ; X64_AVX1-NEXT: vminss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX1-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X64_AVX1-NEXT: vcvttss2si %xmm0, %eax |
| ; X64_AVX1-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X64_AVX1-NEXT: retq |
| ; |
| ; X32_AVX512-LABEL: test1: |
| ; X32_AVX512: ## %bb.0: |
| ; X32_AVX512-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X32_AVX512-NEXT: vaddss LCPI0_0, %xmm0, %xmm0 |
| ; X32_AVX512-NEXT: vmulss LCPI0_1, %xmm0, %xmm0 |
| ; X32_AVX512-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X32_AVX512-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3] |
| ; X32_AVX512-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X32_AVX512-NEXT: vminss LCPI0_2, %xmm0, %xmm0 |
| ; X32_AVX512-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X32_AVX512-NEXT: vcvttss2si %xmm0, %eax |
| ; X32_AVX512-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X32_AVX512-NEXT: retl |
| ; |
| ; X64_AVX512-LABEL: test1: |
| ; X64_AVX512: ## %bb.0: |
| ; X64_AVX512-NEXT: vaddss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX512-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX512-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X64_AVX512-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3] |
| ; X64_AVX512-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X64_AVX512-NEXT: vminss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX512-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X64_AVX512-NEXT: vcvttss2si %xmm0, %eax |
| ; X64_AVX512-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X64_AVX512-NEXT: retq |
| %tmp = insertelement <4 x float> undef, float %f, i32 0 ; <<4 x float>> [#uses=1] |
| %tmp10 = insertelement <4 x float> %tmp, float 0.000000e+00, i32 1 ; <<4 x float>> [#uses=1] |
| %tmp11 = insertelement <4 x float> %tmp10, float 0.000000e+00, i32 2 ; <<4 x float>> [#uses=1] |
| %tmp12 = insertelement <4 x float> %tmp11, float 0.000000e+00, i32 3 ; <<4 x float>> [#uses=1] |
| %tmp28 = tail call <4 x float> @llvm.x86.sse.sub.ss( <4 x float> %tmp12, <4 x float> < float 1.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00 > ) ; <<4 x float>> [#uses=1] |
| %tmp37 = tail call <4 x float> @llvm.x86.sse.mul.ss( <4 x float> %tmp28, <4 x float> < float 5.000000e-01, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00 > ) ; <<4 x float>> [#uses=1] |
| %tmp48 = tail call <4 x float> @llvm.x86.sse.min.ss( <4 x float> %tmp37, <4 x float> < float 6.553500e+04, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00 > ) ; <<4 x float>> [#uses=1] |
| %tmp59 = tail call <4 x float> @llvm.x86.sse.max.ss( <4 x float> %tmp48, <4 x float> zeroinitializer ) ; <<4 x float>> [#uses=1] |
| %tmp.upgrd.1 = tail call i32 @llvm.x86.sse.cvttss2si( <4 x float> %tmp59 ) ; <i32> [#uses=1] |
| %tmp69 = trunc i32 %tmp.upgrd.1 to i16 ; <i16> [#uses=1] |
| ret i16 %tmp69 |
| } |
| |
| define i16 @test2(float %f) nounwind { |
| ; X32-LABEL: test2: |
| ; X32: ## %bb.0: |
| ; X32-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X32-NEXT: addss LCPI1_0, %xmm0 |
| ; X32-NEXT: mulss LCPI1_1, %xmm0 |
| ; X32-NEXT: minss LCPI1_2, %xmm0 |
| ; X32-NEXT: xorps %xmm1, %xmm1 |
| ; X32-NEXT: maxss %xmm1, %xmm0 |
| ; X32-NEXT: cvttss2si %xmm0, %eax |
| ; X32-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test2: |
| ; X64: ## %bb.0: |
| ; X64-NEXT: addss {{.*}}(%rip), %xmm0 |
| ; X64-NEXT: mulss {{.*}}(%rip), %xmm0 |
| ; X64-NEXT: minss {{.*}}(%rip), %xmm0 |
| ; X64-NEXT: xorps %xmm1, %xmm1 |
| ; X64-NEXT: maxss %xmm1, %xmm0 |
| ; X64-NEXT: cvttss2si %xmm0, %eax |
| ; X64-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: test2: |
| ; X32_AVX: ## %bb.0: |
| ; X32_AVX-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X32_AVX-NEXT: vaddss LCPI1_0, %xmm0, %xmm0 |
| ; X32_AVX-NEXT: vmulss LCPI1_1, %xmm0, %xmm0 |
| ; X32_AVX-NEXT: vminss LCPI1_2, %xmm0, %xmm0 |
| ; X32_AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X32_AVX-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X32_AVX-NEXT: vcvttss2si %xmm0, %eax |
| ; X32_AVX-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: test2: |
| ; X64_AVX: ## %bb.0: |
| ; X64_AVX-NEXT: vaddss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX-NEXT: vminss {{.*}}(%rip), %xmm0, %xmm0 |
| ; X64_AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1 |
| ; X64_AVX-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X64_AVX-NEXT: vcvttss2si %xmm0, %eax |
| ; X64_AVX-NEXT: ## kill: def $ax killed $ax killed $eax |
| ; X64_AVX-NEXT: retq |
| %tmp28 = fsub float %f, 1.000000e+00 ; <float> [#uses=1] |
| %tmp37 = fmul float %tmp28, 5.000000e-01 ; <float> [#uses=1] |
| %tmp375 = insertelement <4 x float> undef, float %tmp37, i32 0 ; <<4 x float>> [#uses=1] |
| %tmp48 = tail call <4 x float> @llvm.x86.sse.min.ss( <4 x float> %tmp375, <4 x float> < float 6.553500e+04, float undef, float undef, float undef > ) ; <<4 x float>> [#uses=1] |
| %tmp59 = tail call <4 x float> @llvm.x86.sse.max.ss( <4 x float> %tmp48, <4 x float> < float 0.000000e+00, float undef, float undef, float undef > ) ; <<4 x float>> [#uses=1] |
| %tmp = tail call i32 @llvm.x86.sse.cvttss2si( <4 x float> %tmp59 ) ; <i32> [#uses=1] |
| %tmp69 = trunc i32 %tmp to i16 ; <i16> [#uses=1] |
| ret i16 %tmp69 |
| } |
| |
| declare <4 x float> @llvm.x86.sse.sub.ss(<4 x float>, <4 x float>) |
| |
| declare <4 x float> @llvm.x86.sse.mul.ss(<4 x float>, <4 x float>) |
| |
| declare <4 x float> @llvm.x86.sse.min.ss(<4 x float>, <4 x float>) |
| |
| declare <4 x float> @llvm.x86.sse.max.ss(<4 x float>, <4 x float>) |
| |
| declare i32 @llvm.x86.sse.cvttss2si(<4 x float>) |
| |
| declare <4 x float> @llvm.x86.sse41.round.ss(<4 x float>, <4 x float>, i32) |
| |
| declare <4 x float> @f() |
| |
| define <4 x float> @test3(<4 x float> %A, float *%b, i32 %C) nounwind { |
| ; X32-LABEL: test3: |
| ; X32: ## %bb.0: |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: roundss $4, (%eax), %xmm0 |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test3: |
| ; X64: ## %bb.0: |
| ; X64-NEXT: roundss $4, (%rdi), %xmm0 |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: test3: |
| ; X32_AVX: ## %bb.0: |
| ; X32_AVX-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32_AVX-NEXT: vroundss $4, (%eax), %xmm0, %xmm0 |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: test3: |
| ; X64_AVX: ## %bb.0: |
| ; X64_AVX-NEXT: vroundss $4, (%rdi), %xmm0, %xmm0 |
| ; X64_AVX-NEXT: retq |
| %a = load float , float *%b |
| %B = insertelement <4 x float> undef, float %a, i32 0 |
| %X = call <4 x float> @llvm.x86.sse41.round.ss(<4 x float> %A, <4 x float> %B, i32 4) |
| ret <4 x float> %X |
| } |
| |
| define <4 x float> @test4(<4 x float> %A, float *%b, i32 %C) nounwind { |
| ; X32-LABEL: test4: |
| ; X32: ## %bb.0: |
| ; X32-NEXT: subl $28, %esp |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X32-NEXT: movaps %xmm0, (%esp) ## 16-byte Spill |
| ; X32-NEXT: calll _f |
| ; X32-NEXT: roundss $4, (%esp), %xmm0 ## 16-byte Folded Reload |
| ; X32-NEXT: addl $28, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test4: |
| ; X64: ## %bb.0: |
| ; X64-NEXT: subq $24, %rsp |
| ; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X64-NEXT: movaps %xmm0, (%rsp) ## 16-byte Spill |
| ; X64-NEXT: callq _f |
| ; X64-NEXT: roundss $4, (%rsp), %xmm0 ## 16-byte Folded Reload |
| ; X64-NEXT: addq $24, %rsp |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: test4: |
| ; X32_AVX: ## %bb.0: |
| ; X32_AVX-NEXT: subl $28, %esp |
| ; X32_AVX-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32_AVX-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X32_AVX-NEXT: vmovaps %xmm0, (%esp) ## 16-byte Spill |
| ; X32_AVX-NEXT: calll _f |
| ; X32_AVX-NEXT: vroundss $4, (%esp), %xmm0, %xmm0 ## 16-byte Folded Reload |
| ; X32_AVX-NEXT: addl $28, %esp |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: test4: |
| ; X64_AVX: ## %bb.0: |
| ; X64_AVX-NEXT: subq $24, %rsp |
| ; X64_AVX-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; X64_AVX-NEXT: vmovaps %xmm0, (%rsp) ## 16-byte Spill |
| ; X64_AVX-NEXT: callq _f |
| ; X64_AVX-NEXT: vroundss $4, (%rsp), %xmm0, %xmm0 ## 16-byte Folded Reload |
| ; X64_AVX-NEXT: addq $24, %rsp |
| ; X64_AVX-NEXT: retq |
| %a = load float , float *%b |
| %B = insertelement <4 x float> undef, float %a, i32 0 |
| %q = call <4 x float> @f() |
| %X = call <4 x float> @llvm.x86.sse41.round.ss(<4 x float> %q, <4 x float> %B, i32 4) |
| ret <4 x float> %X |
| } |
| |
| ; PR13576 |
| define <2 x double> @test5() nounwind uwtable readnone noinline { |
| ; X32-LABEL: test5: |
| ; X32: ## %bb.0: ## %entry |
| ; X32-NEXT: movaps {{.*#+}} xmm0 = [1.28E+2,1.23321E+2] |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test5: |
| ; X64: ## %bb.0: ## %entry |
| ; X64-NEXT: movaps {{.*#+}} xmm0 = [1.28E+2,1.23321E+2] |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: test5: |
| ; X32_AVX: ## %bb.0: ## %entry |
| ; X32_AVX-NEXT: vmovaps {{.*#+}} xmm0 = [1.28E+2,1.23321E+2] |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: test5: |
| ; X64_AVX: ## %bb.0: ## %entry |
| ; X64_AVX-NEXT: vmovaps {{.*#+}} xmm0 = [1.28E+2,1.23321E+2] |
| ; X64_AVX-NEXT: retq |
| entry: |
| %0 = tail call <2 x double> @llvm.x86.sse2.cvtsi2sd(<2 x double> <double 4.569870e+02, double 1.233210e+02>, i32 128) nounwind readnone |
| ret <2 x double> %0 |
| } |
| |
| declare <2 x double> @llvm.x86.sse2.cvtsi2sd(<2 x double>, i32) nounwind readnone |
| |
| define <4 x float> @minss_fold(float* %x, <4 x float> %y) { |
| ; X32-LABEL: minss_fold: |
| ; X32: ## %bb.0: ## %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: minss (%eax), %xmm0 |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: minss_fold: |
| ; X64: ## %bb.0: ## %entry |
| ; X64-NEXT: minss (%rdi), %xmm0 |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: minss_fold: |
| ; X32_AVX: ## %bb.0: ## %entry |
| ; X32_AVX-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32_AVX-NEXT: vminss (%eax), %xmm0, %xmm0 |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: minss_fold: |
| ; X64_AVX: ## %bb.0: ## %entry |
| ; X64_AVX-NEXT: vminss (%rdi), %xmm0, %xmm0 |
| ; X64_AVX-NEXT: retq |
| entry: |
| %0 = load float, float* %x, align 1 |
| %vecinit.i = insertelement <4 x float> undef, float %0, i32 0 |
| %vecinit2.i = insertelement <4 x float> %vecinit.i, float 0.000000e+00, i32 1 |
| %vecinit3.i = insertelement <4 x float> %vecinit2.i, float 0.000000e+00, i32 2 |
| %vecinit4.i = insertelement <4 x float> %vecinit3.i, float 0.000000e+00, i32 3 |
| %1 = tail call <4 x float> @llvm.x86.sse.min.ss(<4 x float> %y, <4 x float> %vecinit4.i) |
| ret <4 x float> %1 |
| } |
| |
| define <4 x float> @maxss_fold(float* %x, <4 x float> %y) { |
| ; X32-LABEL: maxss_fold: |
| ; X32: ## %bb.0: ## %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: maxss (%eax), %xmm0 |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: maxss_fold: |
| ; X64: ## %bb.0: ## %entry |
| ; X64-NEXT: maxss (%rdi), %xmm0 |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: maxss_fold: |
| ; X32_AVX: ## %bb.0: ## %entry |
| ; X32_AVX-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32_AVX-NEXT: vmaxss (%eax), %xmm0, %xmm0 |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: maxss_fold: |
| ; X64_AVX: ## %bb.0: ## %entry |
| ; X64_AVX-NEXT: vmaxss (%rdi), %xmm0, %xmm0 |
| ; X64_AVX-NEXT: retq |
| entry: |
| %0 = load float, float* %x, align 1 |
| %vecinit.i = insertelement <4 x float> undef, float %0, i32 0 |
| %vecinit2.i = insertelement <4 x float> %vecinit.i, float 0.000000e+00, i32 1 |
| %vecinit3.i = insertelement <4 x float> %vecinit2.i, float 0.000000e+00, i32 2 |
| %vecinit4.i = insertelement <4 x float> %vecinit3.i, float 0.000000e+00, i32 3 |
| %1 = tail call <4 x float> @llvm.x86.sse.max.ss(<4 x float> %y, <4 x float> %vecinit4.i) |
| ret <4 x float> %1 |
| } |
| |
| define <4 x float> @cmpss_fold(float* %x, <4 x float> %y) { |
| ; X32-LABEL: cmpss_fold: |
| ; X32: ## %bb.0: ## %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: cmpeqss (%eax), %xmm0 |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: cmpss_fold: |
| ; X64: ## %bb.0: ## %entry |
| ; X64-NEXT: cmpeqss (%rdi), %xmm0 |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: cmpss_fold: |
| ; X32_AVX: ## %bb.0: ## %entry |
| ; X32_AVX-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32_AVX-NEXT: vcmpeqss (%eax), %xmm0, %xmm0 |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: cmpss_fold: |
| ; X64_AVX: ## %bb.0: ## %entry |
| ; X64_AVX-NEXT: vcmpeqss (%rdi), %xmm0, %xmm0 |
| ; X64_AVX-NEXT: retq |
| entry: |
| %0 = load float, float* %x, align 1 |
| %vecinit.i = insertelement <4 x float> undef, float %0, i32 0 |
| %vecinit2.i = insertelement <4 x float> %vecinit.i, float 0.000000e+00, i32 1 |
| %vecinit3.i = insertelement <4 x float> %vecinit2.i, float 0.000000e+00, i32 2 |
| %vecinit4.i = insertelement <4 x float> %vecinit3.i, float 0.000000e+00, i32 3 |
| %1 = tail call <4 x float> @llvm.x86.sse.cmp.ss(<4 x float> %y, <4 x float> %vecinit4.i, i8 0) |
| ret <4 x float> %1 |
| } |
| declare <4 x float> @llvm.x86.sse.cmp.ss(<4 x float>, <4 x float>, i8) nounwind readnone |
| |
| |
| define <4 x float> @double_fold(float* %x, <4 x float> %y) { |
| ; X32-LABEL: double_fold: |
| ; X32: ## %bb.0: ## %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero |
| ; X32-NEXT: movaps %xmm0, %xmm2 |
| ; X32-NEXT: minss %xmm1, %xmm2 |
| ; X32-NEXT: maxss %xmm1, %xmm0 |
| ; X32-NEXT: addps %xmm2, %xmm0 |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: double_fold: |
| ; X64: ## %bb.0: ## %entry |
| ; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero |
| ; X64-NEXT: movaps %xmm0, %xmm2 |
| ; X64-NEXT: minss %xmm1, %xmm2 |
| ; X64-NEXT: maxss %xmm1, %xmm0 |
| ; X64-NEXT: addps %xmm2, %xmm0 |
| ; X64-NEXT: retq |
| ; |
| ; X32_AVX-LABEL: double_fold: |
| ; X32_AVX: ## %bb.0: ## %entry |
| ; X32_AVX-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32_AVX-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero |
| ; X32_AVX-NEXT: vminss %xmm1, %xmm0, %xmm2 |
| ; X32_AVX-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X32_AVX-NEXT: vaddps %xmm0, %xmm2, %xmm0 |
| ; X32_AVX-NEXT: retl |
| ; |
| ; X64_AVX-LABEL: double_fold: |
| ; X64_AVX: ## %bb.0: ## %entry |
| ; X64_AVX-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero |
| ; X64_AVX-NEXT: vminss %xmm1, %xmm0, %xmm2 |
| ; X64_AVX-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; X64_AVX-NEXT: vaddps %xmm0, %xmm2, %xmm0 |
| ; X64_AVX-NEXT: retq |
| entry: |
| %0 = load float, float* %x, align 1 |
| %vecinit.i = insertelement <4 x float> undef, float %0, i32 0 |
| %1 = tail call <4 x float> @llvm.x86.sse.min.ss(<4 x float> %y, <4 x float> %vecinit.i) |
| %2 = tail call <4 x float> @llvm.x86.sse.max.ss(<4 x float> %y, <4 x float> %vecinit.i) |
| %3 = fadd <4 x float> %1, %2 |
| ret <4 x float> %3 |
| } |