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llvm-project/llvm/test/Assembler/ConstantExprFoldSelect.ll

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Fold vector selects with undef elements in the condition. Fixes PR18319. Patch by Ilia Filippov! llvm-svn: 198267
2014-01-01 03:30:47 +08:00
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
verify-uselistorder: Force -preserve-bc-use-list-order llvm-svn: 216022
2014-08-20 05:08:27 +08:00
; RUN: verify-uselistorder %s
Fold vector selects with undef elements in the condition. Fixes PR18319. Patch by Ilia Filippov! llvm-svn: 198267
2014-01-01 03:30:47 +08:00
; 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
}