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Set the 'MadeChange' variable if we are deleting blocks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169455 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2012-12-06 00:30:20 +00:00
parent 85893f48a6
commit 1c211640e5
1 changed files with 1 additions and 0 deletions
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lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -195,6 +195,7 @@ bool CodeGenPrepare::runOnFunction(Function &F) {
} }
// Delete the dead blocks and any of their dead successors. // Delete the dead blocks and any of their dead successors.
MadeChange |= !WorkList.empty();
while (!WorkList.empty()) { while (!WorkList.empty()) {
BasicBlock *BB = *WorkList.begin(); BasicBlock *BB = *WorkList.begin();
WorkList.erase(BB); WorkList.erase(BB);