diff options
Diffstat (limited to 'lib/Transforms/Instrumentation/PathProfiling.cpp')
| -rw-r--r-- | lib/Transforms/Instrumentation/PathProfiling.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/Instrumentation/PathProfiling.cpp b/lib/Transforms/Instrumentation/PathProfiling.cpp index 6449b39cfc..ca2c6fbd95 100644 --- a/lib/Transforms/Instrumentation/PathProfiling.cpp +++ b/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) |