diff options
Diffstat (limited to 'lib/CodeGen/TargetInstrInfoImpl.cpp')
| -rw-r--r-- | lib/CodeGen/TargetInstrInfoImpl.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp index b9fcd38..34e2b33 100644 --- a/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -212,8 +212,7 @@ static const TargetRegisterClass *canFoldCopy(const MachineInstr *MI, if (TargetRegisterInfo::isPhysicalRegister(LiveOp.getReg())) return RC->contains(LiveOp.getReg()) ? RC : 0; - const TargetRegisterClass *LiveRC = MRI.getRegClass(LiveReg); - if (RC == LiveRC || RC->hasSubClass(LiveRC)) + if (RC->hasSubClassEq(MRI.getRegClass(LiveReg))) return RC; // FIXME: Allow folding when register classes are memory compatible. |
