llvm-project/llvm/test/CodeGen/X86/fmaxnum.ll

171 lines
5.5 KiB
LLVM

; 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>)
; CHECK-LABEL: @test_fmaxf
; SSE: movaps %xmm0, %xmm2
; SSE-NEXT: cmpunordss %xmm2, %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: vmaxss %xmm0, %xmm1, %xmm2
; AVX-NEXT: vcmpunordss %xmm0, %xmm0, %xmm0
; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0
; AVX-NEXT: retq
define float @test_fmaxf(float %x, float %y) {
%z = call float @fmaxf(float %x, float %y) readnone
ret float %z
}
; CHECK-LABEL: @test_fmaxf_minsize
; CHECK: jmp fmaxf
define float @test_fmaxf_minsize(float %x, float %y) minsize {
%z = call float @fmaxf(float %x, float %y) readnone
ret float %z
}
; FIXME: Doubles should be inlined similarly to floats.
; CHECK-LABEL: @test_fmax
; CHECK: jmp fmax
define double @test_fmax(double %x, double %y) {
%z = call double @fmax(double %x, double %y) readnone
ret double %z
}
; CHECK-LABEL: @test_fmaxl
; CHECK: callq fmaxl
define x86_fp80 @test_fmaxl(x86_fp80 %x, x86_fp80 %y) {
%z = call x86_fp80 @fmaxl(x86_fp80 %x, x86_fp80 %y) readnone
ret x86_fp80 %z
}
; CHECK-LABEL: @test_intrinsic_fmaxf
; SSE: movaps %xmm0, %xmm2
; SSE-NEXT: cmpunordss %xmm2, %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: vmaxss %xmm0, %xmm1, %xmm2
; AVX-NEXT: vcmpunordss %xmm0, %xmm0, %xmm0
; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0
; AVX-NEXT: retq
define float @test_intrinsic_fmaxf(float %x, float %y) {
%z = call float @llvm.maxnum.f32(float %x, float %y) readnone
ret float %z
}
; FIXME: Doubles should be inlined similarly to floats.
; CHECK-LABEL: @test_intrinsic_fmax
; CHECK: jmp fmax
define double @test_intrinsic_fmax(double %x, double %y) {
%z = call double @llvm.maxnum.f64(double %x, double %y) readnone
ret double %z
}
; CHECK-LABEL: @test_intrinsic_fmaxl
; CHECK: callq fmaxl
define x86_fp80 @test_intrinsic_fmaxl(x86_fp80 %x, x86_fp80 %y) {
%z = call x86_fp80 @llvm.maxnum.f80(x86_fp80 %x, x86_fp80 %y) readnone
ret x86_fp80 %z
}
; CHECK-LABEL: @test_intrinsic_fmax_v2f32
; SSE: 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: vmaxps %xmm0, %xmm1, %xmm2
; AVX-NEXT: vcmpunordps %xmm0, %xmm0, %xmm0
; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0
; AVX-NEXT: retq
define <2 x float> @test_intrinsic_fmax_v2f32(<2 x float> %x, <2 x float> %y) {
%z = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %x, <2 x float> %y) readnone
ret <2 x float> %z
}
; CHECK-LABEL: @test_intrinsic_fmax_v4f32
; SSE: 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: vmaxps %xmm0, %xmm1, %xmm2
; AVX-NEXT: vcmpunordps %xmm0, %xmm0, %xmm0
; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0
; AVX-NEXT: retq
define <4 x float> @test_intrinsic_fmax_v4f32(<4 x float> %x, <4 x float> %y) {
%z = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %x, <4 x float> %y) readnone
ret <4 x float> %z
}
; FIXME: Vector of doubles should be inlined similarly to vector of floats.
; CHECK-LABEL: @test_intrinsic_fmax_v2f64
; CHECK: callq fmax
; CHECK: callq fmax
define <2 x double> @test_intrinsic_fmax_v2f64(<2 x double> %x, <2 x double> %y) {
%z = call <2 x double> @llvm.maxnum.v2f64(<2 x double> %x, <2 x double> %y) readnone
ret <2 x double> %z
}
; FIXME: Vector of doubles should be inlined similarly to vector of floats.
; CHECK-LABEL: @test_intrinsic_fmax_v4f64
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
define <4 x double> @test_intrinsic_fmax_v4f64(<4 x double> %x, <4 x double> %y) {
%z = call <4 x double> @llvm.maxnum.v4f64(<4 x double> %x, <4 x double> %y) readnone
ret <4 x double> %z
}
; FIXME: Vector of doubles should be inlined similarly to vector of floats.
; CHECK-LABEL: @test_intrinsic_fmax_v8f64
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
; CHECK: callq fmax
define <8 x double> @test_intrinsic_fmax_v8f64(<8 x double> %x, <8 x double> %y) {
%z = call <8 x double> @llvm.maxnum.v8f64(<8 x double> %x, <8 x double> %y) readnone
ret <8 x double> %z
}