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-rw-r--r--lib/Target/ARM/ARMFrameLowering.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp
index 4f7a0ab4e2203..c2b2502843c0a 100644
--- a/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/lib/Target/ARM/ARMFrameLowering.cpp
@@ -968,8 +968,9 @@ void ARMFrameLowering::emitPushInst(MachineBasicBlock &MBB,
if (Reg >= ARM::D8 && Reg < ARM::D8 + NumAlignedDPRCS2Regs)
continue;
- bool isLiveIn = MF.getRegInfo().isLiveIn(Reg);
- if (!isLiveIn)
+ const MachineRegisterInfo &MRI = MF.getRegInfo();
+ bool isLiveIn = MRI.isLiveIn(Reg);
+ if (!isLiveIn && !MRI.isReserved(Reg))
MBB.addLiveIn(Reg);
// If NoGap is true, push consecutive registers and then leave the rest
// for other instructions. e.g.