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| 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 | 208dc08c2bcb3dc0a448a1ed0fb150a80f2873c6 (patch) | |
| tree | c82a3c44340a039241101bf45faa40fcebc92fbd /llvm | |
| parent | 82135e5a2f2f53a94de46d0c974e4ab90dac0bb5 (diff) | |
| download | bcm5719-llvm-208dc08c2bcb3dc0a448a1ed0fb150a80f2873c6.tar.gz bcm5719-llvm-208dc08c2bcb3dc0a448a1ed0fb150a80f2873c6.zip | |
Fix pr7110: For non-Darwin targets UnspilledCS1GPRs may include high registers.
Do not use those for Thumb1 functions.
llvm-svn: 103730
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp index bf779ccf554..dd6204996dc 100644 --- a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/llvm/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--; } |
