Vendor import of llvm trunk r130700:

http://llvm.org/svn/llvm-project/llvm/trunk@130700

1 files changed, 13 insertions, 1 deletions

diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp
index acaea19..c705cc5 100644
--- a/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -447,7 +447,7 @@ BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB,
       // If the values coming into the block are not the same, we need a PHI.
       // Create the new PHI node, insert it into NewBB at the end of the block
       PHINode *NewPHI =
-        PHINode::Create(PN->getType(), PN->getName()+".ph", BI);
+        PHINode::Create(PN->getType(), NumPreds, PN->getName()+".ph", BI);
       if (AA) AA->copyValue(PN, NewPHI);
       
       // Move all of the PHI values for 'Preds' to the new PHI.
@@ -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();
+}