diff options
Diffstat (limited to 'lib/Target/X86/X86RegisterInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index a60f736..0cb9ac3 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -101,8 +101,8 @@ int X86RegisterInfo::getCompactUnwindRegNum(unsigned RegNum, bool isEH) const { bool X86RegisterInfo::trackLivenessAfterRegAlloc(const MachineFunction &MF) const { - // Only enable when post-RA scheduling is enabled and this is needed. - return TM.getSubtargetImpl()->postRAScheduler(); + // ExeDepsFixer and PostRAScheduler require liveness. + return true; } int |