24 lines
1,020 B
LLVM
24 lines
1,020 B
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>, ptr 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, ptr 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, ptr undef)
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ret void
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}
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declare void @llvm.ppc.altivec.stvx(<4 x i32>, ptr)
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declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>)
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