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In "empty" bb, the return instruction may not be first instruction, if dbg value intrinsics are present in this bb. Use terminator to find return instructions. 

llvm-svn: 98565
This commit is contained in:
Devang Patel 2010-03-15 19:05:46 +00:00
parent 0344874921
commit d3f41e8939
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Transforms/Scalar/SimplifyCFGPass.cpp
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@ -244,7 +244,7 @@ static bool MergeEmptyReturnBlocks(Function &F) {
// If the canonical return block has no PHI node, create one now.
PHINode *RetBlockPHI = dyn_cast<PHINode>(RetBlock->begin());
if (RetBlockPHI == 0) {
Value *InVal = cast<ReturnInst>(RetBlock->begin())->getOperand(0);
Value *InVal = cast<ReturnInst>(RetBlock->getTerminator())->getOperand(0);
RetBlockPHI = PHINode::Create(Ret->getOperand(0)->getType(), "merge",
&RetBlock->front());