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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15563 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-08-07 07:07:57 +00:00
parent f9cdefb46c
commit d555da52f4
1 changed files with 14 additions and 14 deletions
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28
lib/CodeGen/PrologEpilogInserter.cpp
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@ -105,23 +105,23 @@ void PEI::saveCallerSavedRegisters(MachineFunction &Fn) {
for (MachineFunction::iterator BB = Fn.begin(), E = Fn.end(); BB != E; ++BB)
for (MachineBasicBlock::iterator I = BB->begin(); I != BB->end(); )
if (I->getOpcode() == FrameSetupOpcode ||
I->getOpcode() == FrameDestroyOpcode) {
assert(I->getNumOperands() == 1 && "Call Frame Setup/Destroy Pseudo"
" instructions should have a single immediate argument!");
unsigned Size = I->getOperand(0).getImmedValue();
if (Size > MaxCallFrameSize) MaxCallFrameSize = Size;
HasCalls = true;
RegInfo->eliminateCallFramePseudoInstr(Fn, *BB, I++);
I->getOpcode() == FrameDestroyOpcode) {
assert(I->getNumOperands() == 1 && "Call Frame Setup/Destroy Pseudo"
" instructions should have a single immediate argument!");
unsigned Size = I->getOperand(0).getImmedValue();
if (Size > MaxCallFrameSize) MaxCallFrameSize = Size;
HasCalls = true;
RegInfo->eliminateCallFramePseudoInstr(Fn, *BB, I++);
} else {
for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) {
MachineOperand &MO = I->getOperand(i);
if (MO.isRegister() && MO.isDef()) {
for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) {
MachineOperand &MO = I->getOperand(i);
if (MO.isRegister() && MO.isDef()) {
assert(MRegisterInfo::isPhysicalRegister(MO.getReg()) &&
"Register allocation must be performed!");
ModifiedRegs[MO.getReg()] = true; // Register is modified
ModifiedRegs[MO.getReg()] = true; // Register is modified
}
}
++I;
++I;
}
MachineFrameInfo *FFI = Fn.getFrameInfo();
@ -140,8 +140,8 @@ void PEI::saveCallerSavedRegisters(MachineFunction &Fn) {
for (const unsigned *AliasSet = RegInfo->getAliasSet(Reg);
*AliasSet; ++AliasSet) { // Check alias registers too...
if (ModifiedRegs[*AliasSet]) {
RegsToSave.push_back(Reg);
break;
RegsToSave.push_back(Reg);
break;
}
}
}