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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-12-26 11:42:39 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-12-26 11:42:39 +0000 |
| commit | d94c9356e78e625c0ba1524c9d6d41b706e20907 (patch) | |
| tree | fe8b44442ea23737a9a7693175bd63e5cd618243 /test/Transforms | |
| parent | 8ca26b19c21a1dd24c0ba504b8ed89e419121754 (diff) | |
[InstSimplify] Check for in range extraction index before calling APInt::getZExtValue()
Reduced from oss-fuzz #4768 test case
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321454 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstSimplify/extract-element.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/extract-element.ll b/test/Transforms/InstSimplify/extract-element.ll new file mode 100644 index 00000000000..8ee75a603cd --- /dev/null +++ b/test/Transforms/InstSimplify/extract-element.ll @@ -0,0 +1,13 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -instsimplify -S | FileCheck %s + +; Weird Types + +define i129 @vec_extract_negidx(<3 x i129> %a) { +; CHECK-LABEL: @vec_extract_negidx( +; CHECK-NEXT: [[E1:%.*]] = extractelement <3 x i129> [[A:%.*]], i129 -1 +; CHECK-NEXT: ret i129 [[E1]] +; + %E1 = extractelement <3 x i129> %a, i129 -1 + ret i129 %E1 +} |