| ; RUN: opt -instcombine -S < %s | FileCheck %s |
| |
| define void @test(<4 x float> *%in_ptr, <4 x float> *%out_ptr) { |
| %A = load <4 x float>, <4 x float>* %in_ptr, align 16 |
| %B = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 undef, i32 undef> |
| %C = shufflevector <4 x float> %B, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 4, i32 undef> |
| %D = shufflevector <4 x float> %C, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 2, i32 4> |
| ; CHECK: %D = shufflevector <4 x float> %A, <4 x float> poison, <4 x i32> zeroinitializer |
| store <4 x float> %D, <4 x float> *%out_ptr |
| ret void |
| } |