forward() should not increment internal iterator. Its client may insert instruction between now and next forward() call.

llvm-svn: 34649

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 5318ce5855e..e9d7d837e89 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -455,7 +455,7 @@ void PEI::replaceFrameIndices(MachineFunction &Fn) {
         }
       // Update register states.
       if (MRI.requiresRegisterScavenging())
-        RS.forward();
+        RS.forward(I);
     }
   }
 }