unsigned IIOpNum,
const TargetInstrDesc *II,
DenseMap<SDValue, unsigned> &VRBaseMap,
- bool IsDebug) {
+ bool IsDebug, bool IsClone, bool IsCloned) {
assert(Op.getValueType() != MVT::Other &&
Op.getValueType() != MVT::Flag &&
"Chain and flag operands should occur at end of operand list!");
// If this value has only one use, that use is a kill. This is a
// conservative approximation. InstrEmitter does trivial coalescing
// with CopyFromReg nodes, so don't emit kill flags for them.
+ // Avoid kill flags on Schedule cloned nodes, since there will be
+ // multiple uses.
// Tied operands are never killed, so we need to check that. And that
// means we need to determine the index of the operand.
bool isKill = Op.hasOneUse() &&
Op.getNode()->getOpcode() != ISD::CopyFromReg &&
- !IsDebug;
+ !IsDebug &&
+ !(IsClone || IsCloned);
if (isKill) {
unsigned Idx = MI->getNumOperands();
while (Idx > 0 &&
unsigned IIOpNum,
const TargetInstrDesc *II,
DenseMap<SDValue, unsigned> &VRBaseMap,
- bool IsDebug) {
+ bool IsDebug, bool IsClone, bool IsCloned) {
if (Op.isMachineOpcode()) {
- AddRegisterOperand(MI, Op, IIOpNum, II, VRBaseMap, IsDebug);
+ AddRegisterOperand(MI, Op, IIOpNum, II, VRBaseMap,
+ IsDebug, IsClone, IsCloned);
} else if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
MI->addOperand(MachineOperand::CreateImm(C->getSExtValue()));
} else if (ConstantFPSDNode *F = dyn_cast<ConstantFPSDNode>(Op)) {
assert(Op.getValueType() != MVT::Other &&
Op.getValueType() != MVT::Flag &&
"Chain and flag operands should occur at end of operand list!");
- AddRegisterOperand(MI, Op, IIOpNum, II, VRBaseMap, IsDebug);
+ AddRegisterOperand(MI, Op, IIOpNum, II, VRBaseMap,
+ IsDebug, IsClone, IsCloned);
}
}
/// EmitSubregNode - Generate machine code for subreg nodes.
///
void InstrEmitter::EmitSubregNode(SDNode *Node,
- DenseMap<SDValue, unsigned> &VRBaseMap){
+ DenseMap<SDValue, unsigned> &VRBaseMap,
+ bool IsClone, bool IsCloned) {
unsigned VRBase = 0;
unsigned Opc = Node->getMachineOpcode();
// Add def, source, and subreg index
MI->addOperand(MachineOperand::CreateReg(VRBase, true));
- AddOperand(MI, Node->getOperand(0), 0, 0, VRBaseMap);
+ AddOperand(MI, Node->getOperand(0), 0, 0, VRBaseMap, /*IsDebug=*/false,
+ IsClone, IsCloned);
MI->addOperand(MachineOperand::CreateImm(SubIdx));
MBB->insert(InsertPos, MI);
} else if (Opc == TargetOpcode::INSERT_SUBREG ||
const ConstantSDNode *SD = cast<ConstantSDNode>(N0);
MI->addOperand(MachineOperand::CreateImm(SD->getZExtValue()));
} else
- AddOperand(MI, N0, 0, 0, VRBaseMap);
+ AddOperand(MI, N0, 0, 0, VRBaseMap, /*IsDebug=*/false,
+ IsClone, IsCloned);
// Add the subregster being inserted
- AddOperand(MI, N1, 0, 0, VRBaseMap);
+ AddOperand(MI, N1, 0, 0, VRBaseMap, /*IsDebug=*/false,
+ IsClone, IsCloned);
MI->addOperand(MachineOperand::CreateImm(SubIdx));
MBB->insert(InsertPos, MI);
} else
/// EmitRegSequence - Generate machine code for REG_SEQUENCE nodes.
///
void InstrEmitter::EmitRegSequence(SDNode *Node,
- DenseMap<SDValue, unsigned> &VRBaseMap) {
+ DenseMap<SDValue, unsigned> &VRBaseMap,
+ bool IsClone, bool IsCloned) {
const TargetRegisterClass *RC = TLI->getRegClassFor(Node->getValueType(0));
unsigned NewVReg = MRI->createVirtualRegister(RC);
MachineInstr *MI = BuildMI(*MF, Node->getDebugLoc(),
assert(SRC == RC && "Invalid subregister index in REG_SEQUENCE");
}
#endif
- AddOperand(MI, Op, i+1, &II, VRBaseMap);
+ AddOperand(MI, Op, i+1, &II, VRBaseMap, /*IsDebug=*/false,
+ IsClone, IsCloned);
}
MBB->insert(InsertPos, MI);
MIB.addReg(0U); // undef
else
AddOperand(&*MIB, Op, (*MIB).getNumOperands(), &II, VRBaseMap,
- true /*IsDebug*/);
+ /*IsDebug=*/true, /*IsClone=*/false, /*IsCloned=*/false);
} else if (SD->getKind() == SDDbgValue::CONST) {
const Value *V = SD->getConst();
if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
if (Opc == TargetOpcode::EXTRACT_SUBREG ||
Opc == TargetOpcode::INSERT_SUBREG ||
Opc == TargetOpcode::SUBREG_TO_REG) {
- EmitSubregNode(Node, VRBaseMap);
+ EmitSubregNode(Node, VRBaseMap, IsClone, IsCloned);
return;
}
// Handle REG_SEQUENCE specially.
if (Opc == TargetOpcode::REG_SEQUENCE) {
- EmitRegSequence(Node, VRBaseMap);
+ EmitRegSequence(Node, VRBaseMap, IsClone, IsCloned);
return;
}
unsigned NumSkip = HasOptPRefs ? II.getNumDefs() - NumResults : 0;
for (unsigned i = NumSkip; i != NodeOperands; ++i)
AddOperand(MI, Node->getOperand(i), i-NumSkip+II.getNumDefs(), &II,
- VRBaseMap);
+ VRBaseMap, /*IsDebug=*/false, IsClone, IsCloned);
// Transfer all of the memory reference descriptions of this instruction.
MI->setMemRefs(cast<MachineSDNode>(Node)->memoperands_begin(),
// The addressing mode has been selected, just add all of the
// operands to the machine instruction.
for (; NumVals; --NumVals, ++i)
- AddOperand(MI, Node->getOperand(i), 0, 0, VRBaseMap);
+ AddOperand(MI, Node->getOperand(i), 0, 0, VRBaseMap,
+ /*IsDebug=*/false, IsClone, IsCloned);
break;
}
}
unsigned IIOpNum,
const TargetInstrDesc *II,
DenseMap<SDValue, unsigned> &VRBaseMap,
- bool IsDebug = false);
+ bool IsDebug, bool IsClone, bool IsCloned);
/// AddOperand - Add the specified operand to the specified machine instr. II
/// specifies the instruction information for the node, and IIOpNum is the
unsigned IIOpNum,
const TargetInstrDesc *II,
DenseMap<SDValue, unsigned> &VRBaseMap,
- bool IsDebug = false);
+ bool IsDebug, bool IsClone, bool IsCloned);
/// EmitSubregNode - Generate machine code for subreg nodes.
///
- void EmitSubregNode(SDNode *Node, DenseMap<SDValue, unsigned> &VRBaseMap);
+ void EmitSubregNode(SDNode *Node, DenseMap<SDValue, unsigned> &VRBaseMap,
+ bool IsClone, bool IsCloned);
/// EmitCopyToRegClassNode - Generate machine code for COPY_TO_REGCLASS nodes.
/// COPY_TO_REGCLASS is just a normal copy, except that the destination
/// EmitRegSequence - Generate machine code for REG_SEQUENCE nodes.
///
- void EmitRegSequence(SDNode *Node, DenseMap<SDValue, unsigned> &VRBaseMap);
+ void EmitRegSequence(SDNode *Node, DenseMap<SDValue, unsigned> &VRBaseMap,
+ bool IsClone, bool IsCloned);
public:
/// CountResults - The results of target nodes have register or immediate
/// operands first, then an optional chain, and optional flag operands