diff options
| author | Jim Grosbach <grosbach@apple.com> | 2010-12-09 01:22:13 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-12-09 01:22:13 +0000 |
| commit | bd30afe4c21b774d24712f1adc451a6294a48c95 (patch) | |
| tree | 3fe9e15363cf34d52bf3805b10cd89dc527bba04 /llvm/lib/Target/ARM | |
| parent | 0b2630c500d9aec0c9ad3258c5b06a2e11812340 (diff) | |
| download | bcm5719-llvm-bd30afe4c21b774d24712f1adc451a6294a48c95.tar.gz bcm5719-llvm-bd30afe4c21b774d24712f1adc451a6294a48c95.zip | |
When using multiple instructions to reference a frame index, make sure to
update the opcode when necessary as well as the source register.
llvm-svn: 121346
Diffstat (limited to 'llvm/lib/Target/ARM')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp index 3e7c1c3075b..bdecaca37d0 100644 --- a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp @@ -1209,7 +1209,12 @@ ARMBaseRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, emitT2RegPlusImmediate(MBB, II, MI.getDebugLoc(), ScratchReg, FrameReg, Offset, Pred, PredReg, TII); } + // Update the original instruction to use the scratch register. MI.getOperand(i).ChangeToRegister(ScratchReg, false, false, true); + if (MI.getOpcode() == ARM::t2ADDrSPi) + MI.setDesc(TII.get(ARM::t2ADDri)); + else if (MI.getOpcode() == ARM::t2SUBrSPi) + MI.setDesc(TII.get(ARM::t2SUBri)); } } |
