Set debug loc for new instructions.

llvm-svn: 130895

Author: Devang Patel

llvm/lib/Transforms/Scalar/GVN.cpp

@@ -952,12 +952,12 @@ static Value *GetLoadValueForLoad(LoadInst *SrcVal, unsigned Offset,
       IntegerType::get(LoadTy->getContext(), NewLoadSize*8);
     DestPTy = PointerType::get(DestPTy, 
                        cast<PointerType>(PtrVal->getType())->getAddressSpace());
-    
+    Builder.SetCurrentDebugLocation(SrcVal->getDebugLoc());
     PtrVal = Builder.CreateBitCast(PtrVal, DestPTy);
     LoadInst *NewLoad = Builder.CreateLoad(PtrVal);
     NewLoad->takeName(SrcVal);
     NewLoad->setAlignment(SrcVal->getAlignment());
-    
+
     DEBUG(dbgs() << "GVN WIDENED LOAD: " << *SrcVal << "\n");
     DEBUG(dbgs() << "TO: " << *NewLoad << "\n");
 
@@ -2118,7 +2118,7 @@ bool GVN::performPRE(Function &F) {
 
       VN.add(Phi, ValNo);
       addToLeaderTable(ValNo, Phi, CurrentBlock);
-
+      Phi->setDebugLoc(CurInst->getDebugLoc());
       CurInst->replaceAllUsesWith(Phi);
       if (Phi->getType()->isPointerTy()) {
         // Because we have added a PHI-use of the pointer value, it has now