Displaying 1 result from an estimated 1 matches for "virtreg2index".
2011 Oct 12
1
[LLVMdev] Problem in TwoAddressInstructionPass::runOnMachineFunction regarding subRegs
...2,12 +1172,20 @@ bool
TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
unsigned regASubIdx = mi->getOperand(DstIdx).getSubReg();
TII->reMaterialize(*mbbi, mi, regA, regASubIdx, DefMI, *TRI);
ReMatRegs.set(TargetRegisterInfo::virtReg2Index(regB));
++NumReMats;
} else {
- BuildMI(*mbbi, mi, mi->getDebugLoc(),
TII->get(TargetOpcode::COPY),
- regA).addReg(regB);
+ unsigned regASubIdx = mi->getOperand(DstIdx).getSubReg();
+ if (regASubIdx) {
+...