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Rather than trying to gracefully handle input sequences with repeated

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blocks, assert that this doesn't happen. We don't want to bother trying
to support this call pattern as it isn't necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2012-05-04 11:17:06 +00:00
parent 6a81f64ab6
commit 50955031b8
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Utils/CodeExtractor.cpp
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@ -74,7 +74,7 @@ buildExtractionBlockSet(ArrayRef<BasicBlock *> BBs) {
for (ArrayRef<BasicBlock *>::iterator I = BBs.begin(), E = BBs.end();
I != E; ++I) {
if (!Result.insert(*I))
continue;
llvm_unreachable("Repeated basic blocks in extraction input");
if (!isBlockValidForExtraction(**I)) {
Result.clear();