From 4882e488f794db0426b648dc0f0d5bb1046f11af Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Sun, 8 Jan 2012 20:41:16 +0000
Subject: [PATCH] Don't forget to transfer implicit uses of return instruction.

llvm-svn: 147752
---
 llvm/lib/Target/ARM/Thumb1FrameLowering.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp b/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp
index 16c7cbc4a0d7..bb327b0bb78c 100644
--- a/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp
+++ b/llvm/lib/Target/ARM/Thumb1FrameLowering.cpp
@@ -278,8 +278,11 @@ void Thumb1FrameLowering::emitEpilogue(MachineFunction &MF,
 
     emitSPUpdate(MBB, MBBI, TII, dl, *RegInfo, VARegSaveSize);
 
-    AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tBX_RET_vararg))
-      .addReg(ARM::R3, RegState::Kill));
+    MachineInstrBuilder MIB =
+      BuildMI(MBB, MBBI, dl, TII.get(ARM::tBX_RET_vararg))
+      .addReg(ARM::R3, RegState::Kill);
+    AddDefaultPred(MIB);
+    MIB->copyImplicitOps(&*MBBI);
     // erase the old tBX_RET instruction
     MBB.erase(MBBI);
   }