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Make sure to notice that explicit physregs are used in the function

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21084 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-04-04 21:35:34 +00:00
parent c3e2db407e
commit 886dd9136f
1 changed files with 29 additions and 23 deletions
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10
lib/CodeGen/VirtRegMap.cpp
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@ -157,8 +157,8 @@ bool SimpleSpiller::runOnMachineFunction(MachineFunction &MF,
MachineInstr &MI = *MII; MachineInstr &MI = *MII;
for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) { for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
MachineOperand &MO = MI.getOperand(i); MachineOperand &MO = MI.getOperand(i);
if (MO.isRegister() && MO.getReg() && if (MO.isRegister() && MO.getReg())
MRegisterInfo::isVirtualRegister(MO.getReg())) { if (MRegisterInfo::isVirtualRegister(MO.getReg())) {
unsigned VirtReg = MO.getReg(); unsigned VirtReg = MO.getReg();
unsigned PhysReg = VRM.getPhys(VirtReg); unsigned PhysReg = VRM.getPhys(VirtReg);
if (VRM.hasStackSlot(VirtReg)) { if (VRM.hasStackSlot(VirtReg)) {
@ -180,8 +180,11 @@ bool SimpleSpiller::runOnMachineFunction(MachineFunction &MF,
} }
PhysRegsUsed[PhysReg] = true; PhysRegsUsed[PhysReg] = true;
MI.SetMachineOperandReg(i, PhysReg); MI.SetMachineOperandReg(i, PhysReg);
} else {
PhysRegsUsed[MO.getReg()] = true;
} }
} }
DEBUG(std::cerr << '\t' << MI); DEBUG(std::cerr << '\t' << MI);
LoadedRegs.clear(); LoadedRegs.clear();
} }
@ -312,6 +315,9 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, const VirtRegMap &VRM) {
for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) { for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
MachineOperand &MO = MI.getOperand(i); MachineOperand &MO = MI.getOperand(i);
if (MO.isRegister() && MO.getReg() && if (MO.isRegister() && MO.getReg() &&
MRegisterInfo::isPhysicalRegister(MO.getReg()))
PhysRegsUsed[MO.getReg()] = true;
else if (MO.isRegister() && MO.getReg() &&
MRegisterInfo::isVirtualRegister(MO.getReg())) { MRegisterInfo::isVirtualRegister(MO.getReg())) {
unsigned VirtReg = MO.getReg(); unsigned VirtReg = MO.getReg();