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| author | Jay Foad <jay.foad@gmail.com> | 2011-03-30 11:19:20 +0000 |
|---|---|---|
| committer | Jay Foad <jay.foad@gmail.com> | 2011-03-30 11:19:20 +0000 |
| commit | e0938d8a87a6c8b12f68fbe784a270dd2d552331 (patch) | |
| tree | 98d4fbcf8ebe8ec03e205e22d98469b177234a95 /llvm/lib/Transforms/Instrumentation/PathProfiling.cpp | |
| parent | 27e20c3c586da61e5fe9218aa9fe5733e34c18c2 (diff) | |
| download | llvm-e0938d8a87a6c8b12f68fbe784a270dd2d552331.zip llvm-e0938d8a87a6c8b12f68fbe784a270dd2d552331.tar.gz llvm-e0938d8a87a6c8b12f68fbe784a270dd2d552331.tar.bz2 | |
(Almost) always call reserveOperandSpace() on newly created PHINodes.
llvm-svn: 128535
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation/PathProfiling.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/PathProfiling.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/PathProfiling.cpp b/llvm/lib/Transforms/Instrumentation/PathProfiling.cpp index 6449b39..ca2c6fb 100644 --- a/llvm/lib/Transforms/Instrumentation/PathProfiling.cpp +++ b/llvm/lib/Transforms/Instrumentation/PathProfiling.cpp @@ -929,14 +929,16 @@ BasicBlock::iterator PathProfiler::getInsertionPoint(BasicBlock* block, Value* void PathProfiler::preparePHI(BLInstrumentationNode* node) { BasicBlock* block = node->getBlock(); BasicBlock::iterator insertPoint = block->getFirstNonPHI(); + pred_iterator PB = pred_begin(node->getBlock()), + PE = pred_end(node->getBlock()); PHINode* phi = PHINode::Create(Type::getInt32Ty(*Context), "pathNumber", insertPoint ); + phi->reserveOperandSpace(std::distance(PB, PE)); node->setPathPHI(phi); node->setStartingPathNumber(phi); node->setEndingPathNumber(phi); - for(pred_iterator predIt = pred_begin(node->getBlock()), - end = pred_end(node->getBlock()); predIt != end; predIt++) { + for(pred_iterator predIt = PB; predIt != PE; predIt++) { BasicBlock* pred = (*predIt); if(pred != NULL) |