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Simplify interfaces used by regalloc to insert code

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5052 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-12-15 20:06:35 +00:00
parent c2db1a95df
commit 198ab640bb
4 changed files with 47 additions and 65 deletions
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15
lib/CodeGen/RegAllocSimple.cpp
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@ -199,7 +199,7 @@ RegAllocSimple::moveUseToReg (MachineBasicBlock &MBB,
PhysReg = getFreeReg(VirtReg);
// Add move instruction(s)
return RegInfo->loadRegOffset2Reg(&MBB, I, PhysReg,
return RegInfo->loadRegOffset2Reg(MBB, I, PhysReg,
RegInfo->getFramePointer(),
-stackOffset, regClass->getDataSize());
}
@ -215,7 +215,7 @@ RegAllocSimple::saveVirtRegToStack (MachineBasicBlock &MBB,
unsigned stackOffset = allocateStackSpaceFor(VirtReg, regClass);
// Add move instruction(s)
return RegInfo->storeReg2RegOffset(&MBB, I, PhysReg,
return RegInfo->storeReg2RegOffset(MBB, I, PhysReg,
RegInfo->getFramePointer(),
-stackOffset, regClass->getDataSize());
}
@ -231,7 +231,7 @@ RegAllocSimple::savePhysRegToStack (MachineBasicBlock &MBB,
unsigned offset = allocateStackSpaceFor(PhysReg, regClass);
// Add move instruction(s)
return RegInfo->storeReg2RegOffset(&MBB, I, PhysReg,
return RegInfo->storeReg2RegOffset(MBB, I, PhysReg,
RegInfo->getFramePointer(),
offset, regClass->getDataSize());
}
@ -293,7 +293,7 @@ void RegAllocSimple::EliminatePHINodes(MachineBasicBlock &MBB) {
// Retrieve the constant value from this op, move it to target
// register of the phi
if (opVal.isImmediate()) {
opI = RegInfo->moveImm2Reg(&opBlock, opI, physReg,
opI = RegInfo->moveImm2Reg(opBlock, opI, physReg,
(unsigned) opVal.getImmedValue(),
dataSize);
saveVirtRegToStack(opBlock, opI, virtualReg, physReg);
@ -384,10 +384,7 @@ bool RegAllocSimple::runOnMachineFunction(MachineFunction &Fn) {
AllocateBasicBlock(*MBB);
// add prologue we should preserve callee-save registers...
MachineFunction::iterator Fi = Fn.begin();
MachineBasicBlock *MBB = Fi;
MachineBasicBlock::iterator MBBi = MBB->begin();
RegInfo->emitPrologue(MBB, MBBi, NumBytesAllocated);
RegInfo->emitPrologue(Fn, NumBytesAllocated);
const MachineInstrInfo &MII = TM.getInstrInfo();
@ -400,7 +397,7 @@ bool RegAllocSimple::runOnMachineFunction(MachineFunction &Fn) {
MachineInstr *MI = *--I;
if (MII.isReturn(MI->getOpcode())) {
// this block has a return instruction, add epilogue
RegInfo->emitEpilogue(MBB, I, NumBytesAllocated);
RegInfo->emitEpilogue(*MBB, NumBytesAllocated);
}
}