commit fd52906478a17c1459607a9e458578d4289cdfa6
author Jim Grosbach <grosbach@apple.com> Fri Oct 15 18:34:47 2010 +0000
committer Jim Grosbach <grosbach@apple.com> Fri Oct 15 18:34:47 2010 +0000
tree 0e002193869dcfdb60a1669153383cb8cd76d18c
parent 01b35c25deee3d4cab339e620c12c721e627d609

Don't mark argument value stores as immutable, as otherwise the post-RA
scheduler may reorder loads from them before the stores and other such
badness. PR8347. Patch by David Meyer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116602 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMISelLowering.cpp

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 6f292dd..d9a7ec3 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -2217,7 +2217,7 @@
       AFI->setVarArgsFrameIndex(
         MFI->CreateFixedObject(VARegSaveSize,
                                ArgOffset + VARegSaveSize - VARegSize,
-                               true));
+                               false));
       SDValue FIN = DAG.getFrameIndex(AFI->getVarArgsFrameIndex(),
                                       getPointerTy());