Fix revision 281960

llvm-svn: 282139

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp
index 123c1767f3e..b07fc140b49 100644
--- a/llvm/lib/Transforms/Scalar/SROA.cpp
+++ b/llvm/lib/Transforms/Scalar/SROA.cpp
@@ -2482,8 +2482,8 @@ private:
     }
     V = convertValue(DL, IRB, V, NewAllocaTy);
     StoreInst *Store = IRB.CreateAlignedStore(V, &NewAI, NewAI.getAlignment());
+    Store->copyMetadata(SI, LLVMContext::MD_mem_parallel_loop_access);
     Pass.DeadInsts.insert(&SI);
-    (void)Store;
     DEBUG(dbgs() << "          to: " << *Store << "\n");
     return true;
   }
@@ -2545,6 +2545,7 @@ private:
       NewSI = IRB.CreateAlignedStore(V, NewPtr, getSliceAlign(V->getType()),
                                      SI.isVolatile());
     }
+    NewSI->copyMetadata(SI, LLVMContext::MD_mem_parallel_loop_access);
     if (SI.isVolatile())
       NewSI->setAtomic(SI.getOrdering(), SI.getSynchScope());
     Pass.DeadInsts.insert(&SI);
@@ -3569,6 +3570,7 @@ bool SROA::presplitLoadsAndStores(AllocaInst &AI, AllocaSlices &AS) {
                          PartPtrTy, BasePtr->getName() + "."),
           getAdjustedAlignment(LI, PartOffset, DL), /*IsVolatile*/ false,
           LI->getName());
+      PLoad->copyMetadata(*LI, LLVMContext::MD_mem_parallel_loop_access); 
 
       // Append this load onto the list of split loads so we can find it later
       // to rewrite the stores.
@@ -3621,7 +3623,7 @@ bool SROA::presplitLoadsAndStores(AllocaInst &AI, AllocaSlices &AS) {
                                   APInt(DL.getPointerSizeInBits(), PartOffset),
                                   PartPtrTy, StoreBasePtr->getName() + "."),
             getAdjustedAlignment(SI, PartOffset, DL), /*IsVolatile*/ false);
-        (void)PStore;
+        PStore->copyMetadata(*LI, LLVMContext::MD_mem_parallel_loop_access);
         DEBUG(dbgs() << "      +" << PartOffset << ":" << *PStore << "\n");
       }