R600/SI: Handle physical registers in getOpRegClass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224079 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2014-12-11 23:37:34 +00:00
parent bdf0ee0d1d
commit 73460aea4f

View File

@ -1242,8 +1242,13 @@ const TargetRegisterClass *SIInstrInfo::getOpRegClass(const MachineInstr &MI,
const MachineRegisterInfo &MRI = MI.getParent()->getParent()->getRegInfo();
const MCInstrDesc &Desc = get(MI.getOpcode());
if (MI.isVariadic() || OpNo >= Desc.getNumOperands() ||
Desc.OpInfo[OpNo].RegClass == -1)
return MRI.getRegClass(MI.getOperand(OpNo).getReg());
Desc.OpInfo[OpNo].RegClass == -1) {
unsigned Reg = MI.getOperand(OpNo).getReg();
if (TargetRegisterInfo::isVirtualRegister(Reg))
return MRI.getRegClass(Reg);
return RI.getRegClass(Reg);
}
unsigned RCID = Desc.OpInfo[OpNo].RegClass;
return RI.getRegClass(RCID);