diff options
| author | Jim Grosbach <grosbach@apple.com> | 2010-05-04 00:11:37 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-05-04 00:11:37 +0000 |
| commit | 6e62b4ef14bf96e84962171dd3f115a7f8c6dc49 (patch) | |
| tree | 8b1c85a8ae3728fc1475004fa23703eeb7ae38a2 | |
| parent | 7ae3ac831e3968c0e4d98332503cee772d9e0681 (diff) | |
rdar://7937137 - dbg values not being handled in thumb1 version of
eliminateFrameIndex(), leading to llvm_unreachable() assertion failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102980 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/Thumb1RegisterInfo.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.cpp b/lib/Target/ARM/Thumb1RegisterInfo.cpp index 624168c053..2f635fe50a 100644 --- a/lib/Target/ARM/Thumb1RegisterInfo.cpp +++ b/lib/Target/ARM/Thumb1RegisterInfo.cpp @@ -464,6 +464,13 @@ Thumb1RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, Offset -= AFI->getFramePtrSpillOffset(); } + // Special handling of dbg_value instructions. + if (MI.isDebugValue()) { + MI.getOperand(i). ChangeToRegister(FrameReg, false /*isDef*/); + MI.getOperand(i+1).ChangeToImmediate(Offset); + return 0; + } + unsigned Opcode = MI.getOpcode(); const TargetInstrDesc &Desc = MI.getDesc(); unsigned AddrMode = (Desc.TSFlags & ARMII::AddrModeMask); |