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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98565 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-03-15 19:05:46 +00:00
parent 757e75b033
commit ca70495797

View File

@ -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());