Assing line number info to new PHIs created by SSA updater.
llvm-svn: 130551
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
index f8c3326..c705cc5 100644
--- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -538,3 +538,15 @@
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();
+}