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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 | 79c2c2f08c8513be679b2ff8ad3a53b2db3343d9 (patch) | |
| tree | 46e1f1937503c165afa30cebd6ac7aa64ff0735a /llvm/test/Transforms/InstSimplify/extract-element.ll | |
| parent | c67d6b2da0a651a48408ca03ee2edc1bc9a3c29a (diff) | |
| download | bcm5719-llvm-79c2c2f08c8513be679b2ff8ad3a53b2db3343d9.tar.gz bcm5719-llvm-79c2c2f08c8513be679b2ff8ad3a53b2db3343d9.zip | |
[InstSimplify] Check for in range extraction index before calling APInt::getZExtValue()
Reduced from oss-fuzz #4768 test case
llvm-svn: 321454
Diffstat (limited to 'llvm/test/Transforms/InstSimplify/extract-element.ll')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/extract-element.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstSimplify/extract-element.ll b/llvm/test/Transforms/InstSimplify/extract-element.ll new file mode 100644 index 00000000000..8ee75a603cd --- /dev/null +++ b/llvm/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 +} |
