forked from OSchip/llvm-project
25 lines
1.0 KiB
LLVM
25 lines
1.0 KiB
LLVM
; RUN: llc -O1 < %s | FileCheck %s
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target triple = "powerpc64le-linux-gnu"
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; The second xxspltw should be eliminated.
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; CHECK: xxspltw
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; CHECK-NOT: xxspltw
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define void @Test() {
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bb4:
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%tmp = load <4 x i8>, <4 x i8>* undef
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%tmp8 = bitcast <4 x i8> %tmp to float
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%tmp18 = fmul float %tmp8, undef
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%tmp19 = fsub float 0.000000e+00, %tmp18
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store float %tmp19, float* undef
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%tmp22 = shufflevector <4 x i8> %tmp, <4 x i8> undef, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
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%tmp23 = bitcast <16 x i8> %tmp22 to <4 x float>
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%tmp25 = tail call <4 x float> @llvm.fma.v4f32(<4 x float> undef, <4 x float> %tmp23, <4 x float> undef)
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%tmp26 = fsub <4 x float> zeroinitializer, %tmp25
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%tmp27 = bitcast <4 x float> %tmp26 to <4 x i32>
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tail call void @llvm.ppc.altivec.stvx(<4 x i32> %tmp27, i8* undef)
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ret void
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}
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declare void @llvm.ppc.altivec.stvx(<4 x i32>, i8*)
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declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>)
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