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Don't forget to transfer implicit uses of return instruction. 

llvm-svn: 147752
This commit is contained in:
Evan Cheng 2012-01-08 20:41:16 +00:00
parent 520730ff23
commit 4882e488f7
1 changed files with 5 additions and 2 deletions
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7
llvm/lib/Target/ARM/Thumb1FrameLowering.cpp
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@ -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);
}