diff options
| -rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index ceba05cbbd..a54785d66f 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/lib/CodeGen/RegAllocFast.cpp @@ -775,17 +775,16 @@ void RAFast::addRetOperands(MachineBasicBlock *MBB) { continue; unsigned OperReg = MO.getReg(); - for (const unsigned *AS = TRI->getOverlaps(Reg); *AS; ++AS) { - if (OperReg != *AS) - continue; - if (OperReg == Reg || TRI->isSuperRegister(OperReg, Reg)) { - // If the ret already has an operand for this physreg or a superset, - // don't duplicate it. Set the kill flag if the value is defined. - if (hasDef && !MO.isKill()) - MO.setIsKill(); - Found = true; - break; - } + if (!TargetRegisterInfo::isPhysicalRegister(OperReg)) + continue; + + if (OperReg == Reg || TRI->isSuperRegister(OperReg, Reg)) { + // If the ret already has an operand for this physreg or a superset, + // don't duplicate it. Set the kill flag if the value is defined. + if (hasDef && !MO.isKill()) + MO.setIsKill(); + Found = true; + break; } } if (!Found) |