inline the global 'getInstrOperandRegClass' function into its callers

now that TargetOperandInfo does the heavy lifting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77508 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-07-29 21:36:49 +00:00
parent 20a2a0aff3
commit 2a38688494
6 changed files with 18 additions and 30 deletions

View File

@ -488,12 +488,6 @@ public:
virtual unsigned GetFunctionSizeInBytes(const MachineFunction &MF) const;
};
/// getInstrOperandRegClass - Return register class of the operand of an
/// instruction of the specified TargetInstrDesc.
const TargetRegisterClass*
getInstrOperandRegClass(const TargetRegisterInfo *TRI,
const TargetInstrDesc &II, unsigned Op);
} // End llvm namespace
#endif

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@ -449,8 +449,10 @@ void SchedulePostRATDList::PrescanInstruction(MachineInstr *MI) {
if (!MO.isReg()) continue;
unsigned Reg = MO.getReg();
if (Reg == 0) continue;
const TargetRegisterClass *NewRC =
getInstrOperandRegClass(TRI, MI->getDesc(), i);
const TargetRegisterClass *NewRC = 0;
if (i < MI->getDesc().getNumOperands())
NewRC = MI->getDesc().OpInfo[i].getRegClass(TRI);
// For now, only allow the register to be changed if its register
// class is consistent across all uses.
@ -521,8 +523,9 @@ void SchedulePostRATDList::ScanInstruction(MachineInstr *MI,
if (Reg == 0) continue;
if (!MO.isUse()) continue;
const TargetRegisterClass *NewRC =
getInstrOperandRegClass(TRI, MI->getDesc(), i);
const TargetRegisterClass *NewRC = 0;
if (i < MI->getDesc().getNumOperands())
NewRC = MI->getDesc().OpInfo[i].getRegClass(TRI);
// For now, only allow the register to be changed if its register
// class is consistent across all uses.

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@ -75,8 +75,9 @@ EmitCopyFromReg(SDNode *Node, unsigned ResNo, bool IsClone, bool IsCloned,
Match = false;
if (User->isMachineOpcode()) {
const TargetInstrDesc &II = TII->get(User->getMachineOpcode());
const TargetRegisterClass *RC =
getInstrOperandRegClass(TRI, II, i+II.getNumDefs());
const TargetRegisterClass *RC = 0;
if (i+II.getNumDefs() < II.getNumOperands())
RC = II.OpInfo[i+II.getNumDefs()].getRegClass(TRI);
if (!UseRC)
UseRC = RC;
else if (RC) {
@ -160,7 +161,7 @@ void ScheduleDAGSDNodes::CreateVirtualRegisters(SDNode *Node, MachineInstr *MI,
// is a vreg in the same register class, use the CopyToReg'd destination
// register instead of creating a new vreg.
unsigned VRBase = 0;
const TargetRegisterClass *RC = getInstrOperandRegClass(TRI, II, i);
const TargetRegisterClass *RC = II.OpInfo[i].getRegClass(TRI);
if (II.OpInfo[i].isOptionalDef()) {
// Optional def must be a physical register.
unsigned NumResults = CountResults(Node);
@ -251,10 +252,10 @@ ScheduleDAGSDNodes::AddRegisterOperand(MachineInstr *MI, SDValue Op,
// If the instruction requires a register in a different class, create
// a new virtual register and copy the value into it.
if (II) {
const TargetRegisterClass *SrcRC =
MRI.getRegClass(VReg);
const TargetRegisterClass *DstRC =
getInstrOperandRegClass(TRI, *II, IIOpNum);
const TargetRegisterClass *SrcRC = MRI.getRegClass(VReg);
const TargetRegisterClass *DstRC = 0;
if (IIOpNum < II->getNumOperands())
DstRC = II->OpInfo[IIOpNum].getRegClass(TRI);
assert((DstRC || (TID.isVariadic() && IIOpNum >= TID.getNumOperands())) &&
"Don't have operand info for this instruction!");
if (DstRC && SrcRC != DstRC && !SrcRC->hasSuperClass(DstRC)) {

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@ -619,7 +619,7 @@ bool SimpleRegisterCoalescing::ReMaterializeTrivialDef(LiveInterval &SrcInt,
// Make sure the copy destination register class fits the instruction
// definition register class. The mismatch can happen as a result of earlier
// extract_subreg, insert_subreg, subreg_to_reg coalescing.
const TargetRegisterClass *RC = getInstrOperandRegClass(tri_, TID, 0);
const TargetRegisterClass *RC = TID.OpInfo[0].getRegClass(tri_);
if (TargetRegisterInfo::isVirtualRegister(DstReg)) {
if (mri_->getRegClass(DstReg) != RC)
return false;

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@ -512,7 +512,7 @@ bool StackSlotColoring::PropagateBackward(MachineBasicBlock::iterator MII,
TID.getOpcode() == TargetInstrInfo::SUBREG_TO_REG)
return false;
const TargetRegisterClass *RC = getInstrOperandRegClass(TRI, TID, i);
const TargetRegisterClass *RC = TID.OpInfo[i].getRegClass(TRI);
if (RC && !RC->contains(NewReg))
return false;
@ -576,7 +576,7 @@ bool StackSlotColoring::PropagateForward(MachineBasicBlock::iterator MII,
TID.getOpcode() == TargetInstrInfo::EXTRACT_SUBREG)
return false;
const TargetRegisterClass *RC = getInstrOperandRegClass(TRI, TID, i);
const TargetRegisterClass *RC = TID.OpInfo[i].getRegClass(TRI);
if (RC && !RC->contains(NewReg))
return false;
FoundUse = true;

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@ -47,13 +47,3 @@ TargetOperandInfo::getRegClass(const TargetRegisterInfo *TRI) const {
return TRI->getRegClass(RegClass);
}
/// getInstrOperandRegClass - Return register class of the operand of an
/// instruction of the specified TargetInstrDesc.
const TargetRegisterClass*
llvm::getInstrOperandRegClass(const TargetRegisterInfo *TRI,
const TargetInstrDesc &II, unsigned Op) {
// FIXME: Should be an assert!
if (Op >= II.getNumOperands())
return NULL;
return II.OpInfo[Op].getRegClass(TRI);
}