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b76df69100
A couple patchs are included from HEAD that didn't make the release, but fix use-after-free bugs. Submitted by: Emil Mikulic <emil at cs dot rmit dot edu dot au>
21 lines
685 B
C++
21 lines
685 B
C++
Author: dpatel
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Date: Thu Sep 20 18:01:50 2007
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New Revision: 42178
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Log:
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Don't increment invalid iterator.
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==============================================================================
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--- lib/Transforms/Scalar/LoopIndexSplit.cpp (original)
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+++ lib/Transforms/Scalar/LoopIndexSplit.cpp Thu Sep 20 18:01:50 2007
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@@ -928,8 +928,9 @@
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while (!WorkList.empty()) {
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BasicBlock *BB = WorkList.back(); WorkList.pop_back();
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for(BasicBlock::iterator BBI = BB->begin(), BBE = BB->end();
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- BBI != BBE; ++BBI) {
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+ BBI != BBE; ) {
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Instruction *I = BBI;
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+ ++BBI;
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I->replaceAllUsesWith(UndefValue::get(I->getType()));
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I->eraseFromParent();
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}
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