From b9ca5124f8a5d593f57cbd0566867578a51d7055 Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Thu, 25 Aug 2011 17:50:53 +0000
Subject: ARM fix for missing implicit operands on ldmia_ret.

rdar://10005094: miscompile of 176.gcc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138568 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMFrameLowering.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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

diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp
index 85c284f02a..8fe3f39da8 100644
--- a/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/lib/Target/ARM/ARMFrameLowering.cpp
@@ -646,8 +646,10 @@ void ARMFrameLowering::emitPopInst(MachineBasicBlock &MBB,
                        .addReg(ARM::SP));
       for (unsigned i = 0, e = Regs.size(); i < e; ++i)
         MIB.addReg(Regs[i], getDefRegState(true));
-      if (DeleteRet)
+      if (DeleteRet) {
+        MIB->copyImplicitOps(&*MI);
         MI->eraseFromParent();
+      }
       MI = MIB;
     } else if (Regs.size() == 1) {
       // If we adjusted the reg to PC from LR above, switch it back here. We
-- 
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