25 lines
1.0 KiB
LLVM
25 lines
1.0 KiB
LLVM
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; 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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