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revise debug output to avoid dangling pointer

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162256 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Liao 2012-08-21 05:55:22 +00:00
parent 5379904807
commit 787ed03ec1
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -220,6 +220,7 @@ bool CodeGenPrepare::EliminateFallThrough(Function &F) {
BranchInst *Term = dyn_cast<BranchInst>(SinglePred->getTerminator());
if (Term && !Term->isConditional()) {
Changed = true;
DEBUG(dbgs() << "To merge:\n"<< *SinglePred << "\n\n\n");
// Remember if SinglePred was the entry block of the function.
// If so, we will need to move BB back to the entry position.
bool isEntry = SinglePred == &SinglePred->getParent()->getEntryBlock();
@ -230,7 +231,6 @@ bool CodeGenPrepare::EliminateFallThrough(Function &F) {
// We have erased a block. Update the iterator.
I = BB;
DEBUG(dbgs() << "Merged:\n"<< *SinglePred << "\n\n\n");
}
}
return Changed;