llvm/test/Assembler/ConstantExprFoldSelect.ll
Nick Lewycky 99cebadb5c Fold vector selects with undef elements in the condition. Fixes PR18319.
Patch by Ilia Filippov!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198267 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-31 19:30:47 +00:00

9 lines
321 B
LLVM

; RUN: llvm-as < %s | llvm-dis | FileCheck %s
; PR18319
define void @function() {
%c = trunc <4 x i16> 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>) to <4 x i8>
; CHECK: <i16 undef, i16 -2, i16 -3, i16 4>
ret void
}