22 lines
733 B
LLVM
22 lines
733 B
LLVM
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; RUN: opt -mtriple=amdgcn--amdpal -S -instcombine <%s | FileCheck --check-prefixes=GCN %s
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; Check that sin/cos is not folded to tan on amdgcn.
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; GCN-LABEL: define amdgpu_ps float @llpc.shader.FS.main
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; GCN: call float @llvm.sin.f32
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; GCN: call float @llvm.cos.f32
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declare float @llvm.sin.f32(float) #0
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declare float @llvm.cos.f32(float) #0
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define amdgpu_ps float @llpc.shader.FS.main(float %arg) {
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.entry:
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%tmp32 = call float @llvm.sin.f32(float %arg)
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%tmp33 = call float @llvm.cos.f32(float %arg)
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%tmp34 = fdiv reassoc nnan nsz arcp contract float 1.000000e+00, %tmp33
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%tmp35 = fmul reassoc nnan nsz arcp contract float %tmp32, %tmp34
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ret float %tmp35
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}
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attributes #0 = { nounwind readnone speculatable willreturn }
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