Revert "[Pipeliner] Drop memrefs instead of creating ones with size UINT64_MAX"

This reverts r326256. One testcase needs to be updated.

llvm-svn: 326259

1 files changed, 2 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp
index 7ee4a99..3cce7b3 100644
--- a/llvm/lib/CodeGen/MachinePipeliner.cpp
+++ b/llvm/lib/CodeGen/MachinePipeliner.cpp
@@ -3099,10 +3099,8 @@ void SwingSchedulerDAG::updateMemOperands(MachineInstr &NewMI,
       int64_t AdjOffset = Delta * Num;
       NewMemRefs[Refs++] =
           MF.getMachineMemOperand(MMO, AdjOffset, MMO->getSize());
-    } else {
-      NewMI.dropMemRefs();
-      return;
-    }
+    } else
+      NewMemRefs[Refs++] = MF.getMachineMemOperand(MMO, 0, UINT64_MAX);
   }
   NewMI.setMemRefs(NewMemRefs, NewMemRefs + NumRefs);
 }