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- Change TargetInstrInfo::reMaterialize to pass in TargetRegisterInfo.

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- If destination is a physical register and it has a subreg index, use the
  sub-register instead.
This fixes PR5423.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88745 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-11-14 02:55:43 +00:00
parent 4ec01b268e
commit d57cdd5683
13 changed files with 40 additions and 20 deletions
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11
lib/CodeGen/TargetInstrInfoImpl.cpp
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@ -135,11 +135,16 @@ void TargetInstrInfoImpl::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg,
unsigned SubIdx,
const MachineInstr *Orig) const {
const MachineInstr *Orig,
const TargetRegisterInfo *TRI) const {
MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig);
MachineOperand &MO = MI->getOperand(0);
MO.setReg(DestReg);
MO.setSubReg(SubIdx);
if (TargetRegisterInfo::isVirtualRegister(DestReg)) {
MO.setReg(DestReg);
MO.setSubReg(SubIdx);
} else {
MO.setReg(TRI->getSubReg(DestReg, SubIdx));
}
MBB.insert(I, MI);
}