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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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5
lib/Target/X86/X86InstrInfo.cpp
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@@ -991,12 +991,13 @@ static bool isSafeToClobberEFLAGS(MachineBasicBlock &MBB,
void X86InstrInfo::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SubIdx,
const MachineInstr *Orig) const {
const MachineInstr *Orig,
const TargetRegisterInfo *TRI) const {
DebugLoc DL = DebugLoc::getUnknownLoc();
if (I != MBB.end()) DL = I->getDebugLoc();
if (SubIdx && TargetRegisterInfo::isPhysicalRegister(DestReg)) {
DestReg = RI.getSubReg(DestReg, SubIdx);
DestReg = TRI->getSubReg(DestReg, SubIdx);
SubIdx = 0;
}