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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-21 20:35:14 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-21 20:35:14 +0000 |
| commit | ad9c8e839ee78e77416489a0ecafb0e90f6968eb (patch) | |
| tree | e217d356633393c3a64a4c92fc7971b6a8d484a1 /llvm/lib | |
| parent | 393fbf6c5343954a542c33b49a98aaddde9a4cba (diff) | |
| download | bcm5719-llvm-ad9c8e839ee78e77416489a0ecafb0e90f6968eb.tar.gz bcm5719-llvm-ad9c8e839ee78e77416489a0ecafb0e90f6968eb.zip | |
Don't bind a reference to a dereferenced null pointer (for return value of WeakVH::operator*).
llvm-svn: 162309
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp index b14a713ce47..0ae7a5151e7 100644 --- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -738,7 +738,8 @@ DeleteTriviallyDeadInstructions(SmallVectorImpl<WeakVH> &DeadInsts) { bool Changed = false; while (!DeadInsts.empty()) { - Instruction *I = dyn_cast_or_null<Instruction>(&*DeadInsts.pop_back_val()); + Value *V = DeadInsts.pop_back_val(); + Instruction *I = dyn_cast_or_null<Instruction>(V); if (I == 0 || !isInstructionTriviallyDead(I)) continue; |
