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| author | Markus Lavin <markus.lavin@ericsson.com> | 2021-01-13 13:25:14 +0100 |
|---|---|---|
| committer | Markus Lavin <markus.lavin@ericsson.com> | 2021-01-13 13:39:53 +0100 |
| commit | f8cece18630575dccd62ba6a12f21acf5fd38c26 (patch) | |
| tree | 406e6814dfdd0aea55be64229f059855491f2297 /llvm/lib/Analysis/ValueTracking.cpp | |
| parent | 2170e0ee60db638175a8c57230d46fbaafa06d4c (diff) | |
| download | llvm-f8cece18630575dccd62ba6a12f21acf5fd38c26.zip llvm-f8cece18630575dccd62ba6a12f21acf5fd38c26.tar.gz llvm-f8cece18630575dccd62ba6a12f21acf5fd38c26.tar.bz2 | |
[ValueTracking] Fix one s/dyn_cast/dyn_cast_or_null/
Handle if Constant::getAggregateElement() returns nullptr in
canCreateUndefOrPoison().
Differential Revision: https://reviews.llvm.org/D94494
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 1c75c5f..b138caa 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -4737,7 +4737,7 @@ static bool canCreateUndefOrPoison(const Operator *Op, bool PoisonOnly) { ShiftAmounts.push_back(C); bool Safe = llvm::all_of(ShiftAmounts, [](Constant *C) { - auto *CI = dyn_cast<ConstantInt>(C); + auto *CI = dyn_cast_or_null<ConstantInt>(C); return CI && CI->getValue().ult(C->getType()->getIntegerBitWidth()); }); return !Safe; |