| ; RUN: opt -S -passes=instsimplify < %s | FileCheck %s | |
| ; RUN: verify-uselistorder %s | |
| ; PR18319 | |
| define <4 x i16> @function() { | |
| %s = select <4 x i1> <i1 undef, i1 undef, i1 false, i1 true>, <4 x i16> <i16 undef, i16 2, i16 3, i16 4>, <4 x i16> <i16 -1, i16 -2, i16 -3, i16 -4> | |
| ; CHECK: <i16 undef, i16 -2, i16 -3, i16 4> | |
| ret <4 x i16> %s | |
| } |