mirror of
https://github.com/c64scene-ar/llvm-6502.git
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0ac5626b56
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215821 91177308-0d34-0410-b5e6-96231b3b80d8
100 lines
2.8 KiB
LLVM
100 lines
2.8 KiB
LLVM
; RUN: llc -march=x86-64 < %s | FileCheck %s
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; CHECK-LABEL: fmul2_f32:
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; CHECK: addss %xmm0, %xmm0
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define float @fmul2_f32(float %x) {
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%y = fmul float %x, 2.0
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ret float %y
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}
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; fmul 2.0, x -> fadd x, x for vectors.
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; CHECK-LABEL: fmul2_v4f32:
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; CHECK: addps %xmm0, %xmm0
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; CHECK-NEXT: retq
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define <4 x float> @fmul2_v4f32(<4 x float> %x) {
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%y = fmul <4 x float> %x, <float 2.0, float 2.0, float 2.0, float 2.0>
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ret <4 x float> %y
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}
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; CHECK-LABEL: constant_fold_fmul_v4f32:
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; CHECK: movaps
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; CHECK-NEXT: ret
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define <4 x float> @constant_fold_fmul_v4f32(<4 x float> %x) {
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%y = fmul <4 x float> <float 4.0, float 4.0, float 4.0, float 4.0>, <float 2.0, float 2.0, float 2.0, float 2.0>
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ret <4 x float> %y
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}
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; CHECK-LABEL: fmul0_v4f32:
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; CHECK: xorps %xmm0, %xmm0
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; CHECK-NEXT: retq
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define <4 x float> @fmul0_v4f32(<4 x float> %x) #0 {
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%y = fmul <4 x float> %x, <float 0.0, float 0.0, float 0.0, float 0.0>
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ret <4 x float> %y
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}
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; CHECK-LABEL: fmul_c2_c4_v4f32:
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; CHECK-NOT: addps
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; CHECK: mulps
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; CHECK-NOT: mulps
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; CHECK-NEXT: ret
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define <4 x float> @fmul_c2_c4_v4f32(<4 x float> %x) #0 {
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%y = fmul <4 x float> %x, <float 2.0, float 2.0, float 2.0, float 2.0>
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%z = fmul <4 x float> %y, <float 4.0, float 4.0, float 4.0, float 4.0>
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ret <4 x float> %z
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}
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; CHECK-LABEL: fmul_c3_c4_v4f32:
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; CHECK-NOT: addps
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; CHECK: mulps
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; CHECK-NOT: mulps
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; CHECK-NEXT: ret
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define <4 x float> @fmul_c3_c4_v4f32(<4 x float> %x) #0 {
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%y = fmul <4 x float> %x, <float 3.0, float 3.0, float 3.0, float 3.0>
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%z = fmul <4 x float> %y, <float 4.0, float 4.0, float 4.0, float 4.0>
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ret <4 x float> %z
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}
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; CHECK-LABEL: fmul_c2_c4_f32:
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; CHECK-NOT: addss
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; CHECK: mulss
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; CHECK-NOT: mulss
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; CHECK-NEXT: ret
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define float @fmul_c2_c4_f32(float %x) #0 {
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%y = fmul float %x, 2.0
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%z = fmul float %y, 4.0
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ret float %z
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}
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; CHECK-LABEL: fmul_c3_c4_f32:
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; CHECK-NOT: addss
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; CHECK: mulss
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; CHECK-NOT: mulss
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; CHECK-NET: ret
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define float @fmul_c3_c4_f32(float %x) #0 {
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%y = fmul float %x, 3.0
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%z = fmul float %y, 4.0
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ret float %z
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}
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; CHECK-LABEL: fmul_fneg_fneg_f32:
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; CHECK: mulss %xmm1, %xmm0
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; CHECK-NEXT: retq
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define float @fmul_fneg_fneg_f32(float %x, float %y) {
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%x.neg = fsub float -0.0, %x
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%y.neg = fsub float -0.0, %y
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%mul = fmul float %x.neg, %y.neg
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ret float %mul
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}
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; CHECK-LABEL: fmul_fneg_fneg_v4f32:
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; CHECK: mulps {{%xmm1|\(%rdx\)}}, %xmm0
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; CHECK-NEXT: retq
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define <4 x float> @fmul_fneg_fneg_v4f32(<4 x float> %x, <4 x float> %y) {
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%x.neg = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %x
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%y.neg = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %y
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%mul = fmul <4 x float> %x.neg, %y.neg
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ret <4 x float> %mul
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}
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attributes #0 = { "less-precise-fpmad"="true" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" }
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