| Dmitri Gribenko | b137c9e | 2012-12-30 01:28:40 +0000 | [diff] [blame] | 1 | ; RUN: opt -instcombine -S < %s | FileCheck %s |
| Michael Gottesman | 02a1141 | 2012-10-16 21:29:38 +0000 | [diff] [blame] | 2 | |
| 3 | define void @test(<4 x float> *%in_ptr, <4 x float> *%out_ptr) { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 4 | %A = load <4 x float>, <4 x float>* %in_ptr, align 16 |
| Michael Gottesman | 02a1141 | 2012-10-16 21:29:38 +0000 | [diff] [blame] | 5 | %B = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 undef, i32 undef> |
| 6 | %C = shufflevector <4 x float> %B, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 4, i32 undef> |
| 7 | %D = shufflevector <4 x float> %C, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 2, i32 4> |
| 8 | ; CHECK: %D = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> zeroinitializer |
| 9 | store <4 x float> %D, <4 x float> *%out_ptr |
| 10 | ret void |
| 11 | } |