Set debug location for new PHI nodes created in exit block.

llvm-svn: 130894

Author: Devang Patel

llvm/lib/Transforms/Utils/LCSSA.cpp

@@ -36,6 +36,7 @@
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/LoopPass.h"
 #include "llvm/Analysis/ScalarEvolution.h"
+#include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/SSAUpdater.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/STLExtras.h"
@@ -226,6 +227,7 @@ bool LCSSA::ProcessInstruction(Instruction *Inst,
                                   PredCache.GetNumPreds(ExitBB),
                                   Inst->getName()+".lcssa",
                                   ExitBB->begin());
+    PN->setDebugLoc(GetFirstDebugLocInBasicBlock(ExitBB));
 
     // Add inputs from inside the loop for this PHI.
     for (BasicBlock **PI = PredCache.GetPreds(ExitBB); *PI; ++PI) {