From 6819dbb6f86f519130edf22ac3a30fa53b01fa45 Mon Sep 17 00:00:00 2001
From: Bob Wilson <bob.wilson@apple.com>
Date: Thu, 6 Jan 2011 19:24:41 +0000
Subject: PR8921: LDM/POP do not support interworking prior to v5t.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122970 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMLoadStoreOptimizer.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib/Target/ARM/ARMLoadStoreOptimizer.cpp')

diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index a544029e5a..f2d705f0ec 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1390,7 +1390,8 @@ bool ARMLoadStoreOpt::runOnMachineFunction(MachineFunction &Fn) {
        ++MFI) {
     MachineBasicBlock &MBB = *MFI;
     Modified |= LoadStoreMultipleOpti(MBB);
-    Modified |= MergeReturnIntoLDM(MBB);
+    if (TM.getSubtarget<ARMSubtarget>().hasV5TOps())
+      Modified |= MergeReturnIntoLDM(MBB);
   }
 
   delete RS;
-- 
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