diff options
| author | Bob Wilson <bob.wilson@apple.com> | 2010-05-13 19:58:24 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-05-13 19:58:24 +0000 |
| commit | 1190c14b547a1e275e80e43a6ad52178312adbd7 (patch) | |
| tree | 900e8a654cb6691d5cc105bc312c961ac39317c0 | |
| parent | ed36aac081e515568838c5ba5ca5222a1087482c (diff) | |
Fix pr7110: For non-Darwin targets UnspilledCS1GPRs may include high registers.
Do not use those for Thumb1 functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103730 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMBaseRegisterInfo.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp index bf779ccf55..dd6204996d 100644 --- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp @@ -779,7 +779,9 @@ ARMBaseRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, while (NumExtras && !UnspilledCS1GPRs.empty()) { unsigned Reg = UnspilledCS1GPRs.back(); UnspilledCS1GPRs.pop_back(); - if (!isReservedReg(MF, Reg)) { + if (!isReservedReg(MF, Reg) && + (!AFI->isThumb1OnlyFunction() || isARMLowRegister(Reg) || + Reg == ARM::LR)) { Extras.push_back(Reg); NumExtras--; } |