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