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Assing line number info to new PHIs created by SSA updater.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130551 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2011-04-29 22:28:59 +00:00
parent d94bc549fc
commit 40348e8d1f
3 changed files with 22 additions and 0 deletions
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12
lib/Transforms/Utils/BasicBlockUtils.cpp
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@ -538,3 +538,15 @@ ReturnInst *llvm::FoldReturnIntoUncondBranch(ReturnInst *RI, BasicBlock *BB,
UncondBranch->eraseFromParent();
return cast<ReturnInst>(NewRet);
}
/// GetFirstDebugLocInBasicBlock - Return first valid DebugLoc entry in a
/// given basic block.
DebugLoc llvm::GetFirstDebugLocInBasicBlock(const BasicBlock *BB) {
for (BasicBlock::const_iterator BI = BB->begin(), BE = BB->end();
BI != BE; ++BI) {
DebugLoc DL = BI->getDebugLoc();
if (!DL.isUnknown())
return DL;
}
return DebugLoc();
}