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| author | Matthias Braun <matze@braunis.de> | 2017-05-31 01:21:30 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2017-05-31 01:21:30 +0000 |
| commit | 0dba4e3509373e1f6b922e99daa252047b3dfc07 (patch) | |
| tree | cd78d1e7ae446a3687d55b93d8edecd6b0f80397 /llvm/lib/Target/ARM/ARMFrameLowering.cpp | |
| parent | 4e9736b1c93b61334fe3d4c7a5b32a827c51424a (diff) | |
| download | bcm5719-llvm-0dba4e3509373e1f6b922e99daa252047b3dfc07.tar.gz bcm5719-llvm-0dba4e3509373e1f6b922e99daa252047b3dfc07.zip | |
ARM: Do not add reserved registers to block livein lists; NFC
llvm-svn: 304266
Diffstat (limited to 'llvm/lib/Target/ARM/ARMFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFrameLowering.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp index 4f7a0ab4e22..c2b2502843c 100644 --- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp +++ b/llvm/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. |
