| ; 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=CHECK --check-prefix=SSE |
| ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=avx < %s | FileCheck %s --check-prefix=CHECK --check-prefix=AVX |
| |
| declare float @fmaxf(float, float) |
| declare double @fmax(double, double) |
| declare x86_fp80 @fmaxl(x86_fp80, x86_fp80) |
| declare float @llvm.maxnum.f32(float, float) |
| declare double @llvm.maxnum.f64(double, double) |
| declare x86_fp80 @llvm.maxnum.f80(x86_fp80, x86_fp80) |
| |
| declare <2 x float> @llvm.maxnum.v2f32(<2 x float>, <2 x float>) |
| declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>) |
| declare <2 x double> @llvm.maxnum.v2f64(<2 x double>, <2 x double>) |
| declare <4 x double> @llvm.maxnum.v4f64(<4 x double>, <4 x double>) |
| declare <8 x double> @llvm.maxnum.v8f64(<8 x double>, <8 x double>) |
| |
| ; FIXME: As the vector tests show, the SSE run shouldn't need this many moves. |
| |
| define float @test_fmaxf(float %x, float %y) { |
| ; SSE-LABEL: test_fmaxf: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movaps %xmm0, %xmm2 |
| ; SSE-NEXT: cmpunordss %xmm0, %xmm2 |
| ; SSE-NEXT: movaps %xmm2, %xmm3 |
| ; SSE-NEXT: andps %xmm1, %xmm3 |
| ; SSE-NEXT: maxss %xmm0, %xmm1 |
| ; SSE-NEXT: andnps %xmm1, %xmm2 |
| ; SSE-NEXT: orps %xmm3, %xmm2 |
| ; SSE-NEXT: movaps %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_fmaxf: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxss %xmm0, %xmm1, %xmm2 |
| ; AVX-NEXT: vcmpunordss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0 |
| ; AVX-NEXT: retq |
| %z = call float @fmaxf(float %x, float %y) readnone |
| ret float %z |
| } |
| |
| define float @test_fmaxf_minsize(float %x, float %y) minsize { |
| ; CHECK-LABEL: test_fmaxf_minsize: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: jmp fmaxf # TAILCALL |
| %z = call float @fmaxf(float %x, float %y) readnone |
| ret float %z |
| } |
| |
| ; FIXME: As the vector tests show, the SSE run shouldn't need this many moves. |
| |
| define double @test_fmax(double %x, double %y) { |
| ; SSE-LABEL: test_fmax: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movapd %xmm0, %xmm2 |
| ; SSE-NEXT: cmpunordsd %xmm0, %xmm2 |
| ; SSE-NEXT: movapd %xmm2, %xmm3 |
| ; SSE-NEXT: andpd %xmm1, %xmm3 |
| ; SSE-NEXT: maxsd %xmm0, %xmm1 |
| ; SSE-NEXT: andnpd %xmm1, %xmm2 |
| ; SSE-NEXT: orpd %xmm3, %xmm2 |
| ; SSE-NEXT: movapd %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_fmax: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxsd %xmm0, %xmm1, %xmm2 |
| ; AVX-NEXT: vcmpunordsd %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm0 |
| ; AVX-NEXT: retq |
| %z = call double @fmax(double %x, double %y) readnone |
| ret double %z |
| } |
| |
| define x86_fp80 @test_fmaxl(x86_fp80 %x, x86_fp80 %y) { |
| ; CHECK-LABEL: test_fmaxl: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: subq $40, %rsp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 48 |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fstpt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fstpt (%rsp) |
| ; CHECK-NEXT: callq fmaxl |
| ; CHECK-NEXT: addq $40, %rsp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-NEXT: retq |
| %z = call x86_fp80 @fmaxl(x86_fp80 %x, x86_fp80 %y) readnone |
| ret x86_fp80 %z |
| } |
| |
| define float @test_intrinsic_fmaxf(float %x, float %y) { |
| ; SSE-LABEL: test_intrinsic_fmaxf: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movaps %xmm0, %xmm2 |
| ; SSE-NEXT: cmpunordss %xmm0, %xmm2 |
| ; SSE-NEXT: movaps %xmm2, %xmm3 |
| ; SSE-NEXT: andps %xmm1, %xmm3 |
| ; SSE-NEXT: maxss %xmm0, %xmm1 |
| ; SSE-NEXT: andnps %xmm1, %xmm2 |
| ; SSE-NEXT: orps %xmm3, %xmm2 |
| ; SSE-NEXT: movaps %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_intrinsic_fmaxf: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxss %xmm0, %xmm1, %xmm2 |
| ; AVX-NEXT: vcmpunordss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0 |
| ; AVX-NEXT: retq |
| %z = call float @llvm.maxnum.f32(float %x, float %y) readnone |
| ret float %z |
| } |
| |
| define double @test_intrinsic_fmax(double %x, double %y) { |
| ; SSE-LABEL: test_intrinsic_fmax: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movapd %xmm0, %xmm2 |
| ; SSE-NEXT: cmpunordsd %xmm0, %xmm2 |
| ; SSE-NEXT: movapd %xmm2, %xmm3 |
| ; SSE-NEXT: andpd %xmm1, %xmm3 |
| ; SSE-NEXT: maxsd %xmm0, %xmm1 |
| ; SSE-NEXT: andnpd %xmm1, %xmm2 |
| ; SSE-NEXT: orpd %xmm3, %xmm2 |
| ; SSE-NEXT: movapd %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_intrinsic_fmax: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxsd %xmm0, %xmm1, %xmm2 |
| ; AVX-NEXT: vcmpunordsd %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm0 |
| ; AVX-NEXT: retq |
| %z = call double @llvm.maxnum.f64(double %x, double %y) readnone |
| ret double %z |
| } |
| |
| define x86_fp80 @test_intrinsic_fmaxl(x86_fp80 %x, x86_fp80 %y) { |
| ; CHECK-LABEL: test_intrinsic_fmaxl: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: subq $40, %rsp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 48 |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fstpt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fstpt (%rsp) |
| ; CHECK-NEXT: callq fmaxl |
| ; CHECK-NEXT: addq $40, %rsp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-NEXT: retq |
| %z = call x86_fp80 @llvm.maxnum.f80(x86_fp80 %x, x86_fp80 %y) readnone |
| ret x86_fp80 %z |
| } |
| |
| define <2 x float> @test_intrinsic_fmax_v2f32(<2 x float> %x, <2 x float> %y) { |
| ; SSE-LABEL: test_intrinsic_fmax_v2f32: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movaps %xmm1, %xmm2 |
| ; SSE-NEXT: maxps %xmm0, %xmm2 |
| ; SSE-NEXT: cmpunordps %xmm0, %xmm0 |
| ; SSE-NEXT: andps %xmm0, %xmm1 |
| ; SSE-NEXT: andnps %xmm2, %xmm0 |
| ; SSE-NEXT: orps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_intrinsic_fmax_v2f32: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxps %xmm0, %xmm1, %xmm2 |
| ; AVX-NEXT: vcmpunordps %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0 |
| ; AVX-NEXT: retq |
| %z = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %x, <2 x float> %y) readnone |
| ret <2 x float> %z |
| } |
| |
| define <4 x float> @test_intrinsic_fmax_v4f32(<4 x float> %x, <4 x float> %y) { |
| ; SSE-LABEL: test_intrinsic_fmax_v4f32: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movaps %xmm1, %xmm2 |
| ; SSE-NEXT: maxps %xmm0, %xmm2 |
| ; SSE-NEXT: cmpunordps %xmm0, %xmm0 |
| ; SSE-NEXT: andps %xmm0, %xmm1 |
| ; SSE-NEXT: andnps %xmm2, %xmm0 |
| ; SSE-NEXT: orps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_intrinsic_fmax_v4f32: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxps %xmm0, %xmm1, %xmm2 |
| ; AVX-NEXT: vcmpunordps %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0 |
| ; AVX-NEXT: retq |
| %z = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %x, <4 x float> %y) readnone |
| ret <4 x float> %z |
| } |
| |
| define <2 x double> @test_intrinsic_fmax_v2f64(<2 x double> %x, <2 x double> %y) { |
| ; SSE-LABEL: test_intrinsic_fmax_v2f64: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movapd %xmm1, %xmm2 |
| ; SSE-NEXT: maxpd %xmm0, %xmm2 |
| ; SSE-NEXT: cmpunordpd %xmm0, %xmm0 |
| ; SSE-NEXT: andpd %xmm0, %xmm1 |
| ; SSE-NEXT: andnpd %xmm2, %xmm0 |
| ; SSE-NEXT: orpd %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_intrinsic_fmax_v2f64: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxpd %xmm0, %xmm1, %xmm2 |
| ; AVX-NEXT: vcmpunordpd %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm0 |
| ; AVX-NEXT: retq |
| %z = call <2 x double> @llvm.maxnum.v2f64(<2 x double> %x, <2 x double> %y) readnone |
| ret <2 x double> %z |
| } |
| |
| define <4 x double> @test_intrinsic_fmax_v4f64(<4 x double> %x, <4 x double> %y) { |
| ; SSE-LABEL: test_intrinsic_fmax_v4f64: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movapd %xmm2, %xmm4 |
| ; SSE-NEXT: maxpd %xmm0, %xmm4 |
| ; SSE-NEXT: cmpunordpd %xmm0, %xmm0 |
| ; SSE-NEXT: andpd %xmm0, %xmm2 |
| ; SSE-NEXT: andnpd %xmm4, %xmm0 |
| ; SSE-NEXT: orpd %xmm2, %xmm0 |
| ; SSE-NEXT: movapd %xmm3, %xmm2 |
| ; SSE-NEXT: maxpd %xmm1, %xmm2 |
| ; SSE-NEXT: cmpunordpd %xmm1, %xmm1 |
| ; SSE-NEXT: andpd %xmm1, %xmm3 |
| ; SSE-NEXT: andnpd %xmm2, %xmm1 |
| ; SSE-NEXT: orpd %xmm3, %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_intrinsic_fmax_v4f64: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxpd %ymm0, %ymm1, %ymm2 |
| ; AVX-NEXT: vcmpunordpd %ymm0, %ymm0, %ymm0 |
| ; AVX-NEXT: vblendvpd %ymm0, %ymm1, %ymm2, %ymm0 |
| ; AVX-NEXT: retq |
| %z = call <4 x double> @llvm.maxnum.v4f64(<4 x double> %x, <4 x double> %y) readnone |
| ret <4 x double> %z |
| } |
| |
| define <8 x double> @test_intrinsic_fmax_v8f64(<8 x double> %x, <8 x double> %y) { |
| ; SSE-LABEL: test_intrinsic_fmax_v8f64: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movapd %xmm4, %xmm8 |
| ; SSE-NEXT: maxpd %xmm0, %xmm8 |
| ; SSE-NEXT: cmpunordpd %xmm0, %xmm0 |
| ; SSE-NEXT: andpd %xmm0, %xmm4 |
| ; SSE-NEXT: andnpd %xmm8, %xmm0 |
| ; SSE-NEXT: orpd %xmm4, %xmm0 |
| ; SSE-NEXT: movapd %xmm5, %xmm4 |
| ; SSE-NEXT: maxpd %xmm1, %xmm4 |
| ; SSE-NEXT: cmpunordpd %xmm1, %xmm1 |
| ; SSE-NEXT: andpd %xmm1, %xmm5 |
| ; SSE-NEXT: andnpd %xmm4, %xmm1 |
| ; SSE-NEXT: orpd %xmm5, %xmm1 |
| ; SSE-NEXT: movapd %xmm6, %xmm4 |
| ; SSE-NEXT: maxpd %xmm2, %xmm4 |
| ; SSE-NEXT: cmpunordpd %xmm2, %xmm2 |
| ; SSE-NEXT: andpd %xmm2, %xmm6 |
| ; SSE-NEXT: andnpd %xmm4, %xmm2 |
| ; SSE-NEXT: orpd %xmm6, %xmm2 |
| ; SSE-NEXT: movapd %xmm7, %xmm4 |
| ; SSE-NEXT: maxpd %xmm3, %xmm4 |
| ; SSE-NEXT: cmpunordpd %xmm3, %xmm3 |
| ; SSE-NEXT: andpd %xmm3, %xmm7 |
| ; SSE-NEXT: andnpd %xmm4, %xmm3 |
| ; SSE-NEXT: orpd %xmm7, %xmm3 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: test_intrinsic_fmax_v8f64: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxpd %ymm0, %ymm2, %ymm4 |
| ; AVX-NEXT: vcmpunordpd %ymm0, %ymm0, %ymm0 |
| ; AVX-NEXT: vblendvpd %ymm0, %ymm2, %ymm4, %ymm0 |
| ; AVX-NEXT: vmaxpd %ymm1, %ymm3, %ymm2 |
| ; AVX-NEXT: vcmpunordpd %ymm1, %ymm1, %ymm1 |
| ; AVX-NEXT: vblendvpd %ymm1, %ymm3, %ymm2, %ymm1 |
| ; AVX-NEXT: retq |
| %z = call <8 x double> @llvm.maxnum.v8f64(<8 x double> %x, <8 x double> %y) readnone |
| ret <8 x double> %z |
| } |
| |
| ; The IR-level FMF propagate to the node. With nnan, there's no need to blend. |
| |
| define double @maxnum_intrinsic_nnan_fmf_f64(double %a, double %b) { |
| ; SSE-LABEL: maxnum_intrinsic_nnan_fmf_f64: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: maxsd %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: maxnum_intrinsic_nnan_fmf_f64: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxsd %xmm1, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %r = tail call nnan double @llvm.maxnum.f64(double %a, double %b) |
| ret double %r |
| } |
| |
| ; Make sure vectors work too. |
| |
| define <4 x float> @maxnum_intrinsic_nnan_fmf_f432(<4 x float> %a, <4 x float> %b) { |
| ; SSE-LABEL: maxnum_intrinsic_nnan_fmf_f432: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: maxps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: maxnum_intrinsic_nnan_fmf_f432: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxps %xmm1, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %r = tail call nnan <4 x float> @llvm.maxnum.v4f32(<4 x float> %a, <4 x float> %b) |
| ret <4 x float> %r |
| } |
| |
| ; Current (but legacy someday): a function-level attribute should also enable the fold. |
| |
| define float @maxnum_intrinsic_nnan_attr_f32(float %a, float %b) #0 { |
| ; SSE-LABEL: maxnum_intrinsic_nnan_attr_f32: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: maxss %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: maxnum_intrinsic_nnan_attr_f32: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxss %xmm1, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %r = tail call float @llvm.maxnum.f32(float %a, float %b) |
| ret float %r |
| } |
| |
| ; Make sure vectors work too. |
| |
| define <2 x double> @maxnum_intrinsic_nnan_attr_f64(<2 x double> %a, <2 x double> %b) #0 { |
| ; SSE-LABEL: maxnum_intrinsic_nnan_attr_f64: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: maxpd %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: maxnum_intrinsic_nnan_attr_f64: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vmaxpd %xmm1, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %r = tail call <2 x double> @llvm.maxnum.v2f64(<2 x double> %a, <2 x double> %b) |
| ret <2 x double> %r |
| } |
| |
| attributes #0 = { "no-nans-fp-math"="true" } |
| |
