1; RUN: llc -O1 < %s | FileCheck %s
2target triple = "powerpc64le-linux-gnu"
3
4; The second xxspltw should be eliminated.
5; CHECK: xxspltw
6; CHECK-NOT: xxspltw
7define void @Test() {
8bb4:
9  %tmp = load <4 x i8>, <4 x i8>* undef
10  %tmp8 = bitcast <4 x i8> %tmp to float
11  %tmp18 = fmul float %tmp8, undef
12  %tmp19 = fsub float 0.000000e+00, %tmp18
13  store float %tmp19, float* undef
14  %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>
15  %tmp23 = bitcast <16 x i8> %tmp22 to <4 x float>
16  %tmp25 = tail call <4 x float> @llvm.fma.v4f32(<4 x float> undef, <4 x float> %tmp23, <4 x float> undef)
17  %tmp26 = fsub <4 x float> zeroinitializer, %tmp25
18  %tmp27 = bitcast <4 x float> %tmp26 to <4 x i32>
19  tail call void @llvm.ppc.altivec.stvx(<4 x i32> %tmp27, i8* undef)
20  ret void
21}
22
23declare void @llvm.ppc.altivec.stvx(<4 x i32>, i8*)
24declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>)
25