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Remove redundancy and a level of indirection when creating machine operands

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28107 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-05-04 19:14:44 +00:00
parent 02597f3b88
commit 943b5e117f
2 changed files with 64 additions and 89 deletions
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127
include/llvm/CodeGen/MachineInstr.h
View File

@ -85,40 +85,7 @@ private:
/// MO_GlobalAddress, MO_ExternalSym and MO_ConstantPoolIndex
int offset;
MachineOperand(int64_t ImmVal) : flags(0), opType(MO_Immediate) {
contents.immedVal = ImmVal;
offset = 0;
}
MachineOperand(unsigned Idx, MachineOperandType OpTy): flags(0), opType(OpTy){
contents.immedVal = Idx;
offset = 0;
}
MachineOperand(int Reg, MachineOperandType OpTy, UseType UseTy)
: flags(UseTy), opType(OpTy) {
contents.RegNo = Reg;
offset = 0;
}
MachineOperand(GlobalValue *V, int Offset = 0)
: flags(MachineOperand::Use), opType(MachineOperand::MO_GlobalAddress) {
contents.GV = V;
offset = Offset;
}
MachineOperand(MachineBasicBlock *mbb)
: flags(0), opType(MO_MachineBasicBlock) {
contents.MBB = mbb;
offset = 0;
}
MachineOperand(const char *SymName, int Offset)
: flags(0), opType(MO_ExternalSymbol) {
contents.SymbolName = SymName;
offset = Offset;
}
MachineOperand() {}
public:
MachineOperand(const MachineOperand &M) {
*this = M;
@ -252,7 +219,7 @@ public:
///
class MachineInstr {
short Opcode; // the opcode
std::vector<MachineOperand> operands; // the operands
std::vector<MachineOperand> Operands; // the operands
MachineInstr* prev, *next; // links for our intrusive list
MachineBasicBlock* parent; // pointer to the owning basic block
@ -288,21 +255,21 @@ public:
/// Access to explicit operands of the instruction.
///
unsigned getNumOperands() const { return operands.size(); }
unsigned getNumOperands() const { return Operands.size(); }
const MachineOperand& getOperand(unsigned i) const {
assert(i < getNumOperands() && "getOperand() out of range!");
return operands[i];
return Operands[i];
}
MachineOperand& getOperand(unsigned i) {
assert(i < getNumOperands() && "getOperand() out of range!");
return operands[i];
return Operands[i];
}
/// clone - Create a copy of 'this' instruction that is identical in
/// all ways except the the instruction has no parent, prev, or next.
MachineInstr* clone() const;
MachineInstr* clone() const { return new MachineInstr(*this); }
/// removeFromParent - This method unlinks 'this' from the containing basic
/// block, and returns it, but does not delete it.
@ -322,70 +289,87 @@ public:
friend std::ostream& operator<<(std::ostream& os, const MachineInstr& minstr);
//===--------------------------------------------------------------------===//
// Accessors to add operands when building up machine instructions
// Accessors to add operands when building up machine instructions.
//
/// addRegOperand - Add a symbolic virtual register reference...
/// addRegOperand - Add a register operand.
///
void addRegOperand(int reg,
void addRegOperand(unsigned Reg,
MachineOperand::UseType UTy = MachineOperand::Use) {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
operands.push_back(
MachineOperand(reg, MachineOperand::MO_Register, UTy));
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_Register;
Op.flags = UTy;
Op.contents.RegNo = Reg;
Op.offset = 0;
}
/// addImmOperand - Add a zero extended constant argument to the
/// machine instruction.
///
void addImmOperand(int64_t Val) {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
operands.push_back(MachineOperand(Val));
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_Immediate;
Op.flags = 0;
Op.contents.immedVal = Val;
Op.offset = 0;
}
void addMachineBasicBlockOperand(MachineBasicBlock *MBB) {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
operands.push_back(MachineOperand(MBB));
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_MachineBasicBlock;
Op.flags = 0;
Op.contents.MBB = MBB;
Op.offset = 0;
}
/// addFrameIndexOperand - Add an abstract frame index to the instruction
///
void addFrameIndexOperand(unsigned Idx) {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
operands.push_back(MachineOperand(Idx, MachineOperand::MO_FrameIndex));
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_FrameIndex;
Op.flags = 0;
Op.contents.immedVal = Idx;
Op.offset = 0;
}
/// addConstantPoolndexOperand - Add a constant pool object index to the
/// instruction.
///
void addConstantPoolIndexOperand(unsigned I, int Offset=0) {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
operands.push_back(MachineOperand(I, MachineOperand::MO_ConstantPoolIndex));
void addConstantPoolIndexOperand(unsigned Idx, int Offset) {
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_ConstantPoolIndex;
Op.flags = 0;
Op.contents.immedVal = Idx;
Op.offset = Offset;
}
/// addJumpTableIndexOperand - Add a jump table object index to the
/// instruction.
///
void addJumpTableIndexOperand(unsigned I) {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
operands.push_back(MachineOperand(I, MachineOperand::MO_JumpTableIndex));
void addJumpTableIndexOperand(unsigned Idx) {
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_JumpTableIndex;
Op.flags = 0;
Op.contents.immedVal = Idx;
Op.offset = 0;
}
void addGlobalAddressOperand(GlobalValue *GV, int Offset) {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
operands.push_back(MachineOperand(GV, Offset));
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_GlobalAddress;
Op.flags = 0;
Op.contents.GV = GV;
Op.offset = Offset;
}
/// addExternalSymbolOperand - Add an external symbol operand to this instr
///
void addExternalSymbolOperand(const char *SymName) {
operands.push_back(MachineOperand(SymName, 0));
MachineOperand &Op = AddNewOperand();
Op.opType = MachineOperand::MO_ExternalSymbol;
Op.flags = 0;
Op.contents.SymbolName = SymName;
Op.offset = 0;
}
//===--------------------------------------------------------------------===//
@ -400,7 +384,14 @@ public:
/// fewer operand than it started with.
///
void RemoveOperand(unsigned i) {
operands.erase(operands.begin()+i);
Operands.erase(Operands.begin()+i);
}
private:
MachineOperand &AddNewOperand() {
assert(!OperandsComplete() &&
"Trying to add an operand to a machine instr that is already done!");
Operands.push_back(MachineOperand());
return Operands.back();
}
};

26
lib/CodeGen/MachineInstr.cpp
View File

@ -43,7 +43,7 @@ namespace llvm {
///
MachineInstr::MachineInstr(short opcode, unsigned numOperands)
: Opcode(opcode), parent(0) {
operands.reserve(numOperands);
Operands.reserve(numOperands);
// Make sure that we get added to a machine basicblock
LeakDetector::addGarbageObject(this);
}
@ -55,7 +55,7 @@ MachineInstr::MachineInstr(MachineBasicBlock *MBB, short opcode,
unsigned numOperands)
: Opcode(opcode), parent(0) {
assert(MBB && "Cannot use inserting ctor with null basic block!");
operands.reserve(numOperands);
Operands.reserve(numOperands);
// Make sure that we get added to a machine basicblock
LeakDetector::addGarbageObject(this);
MBB->push_back(this); // Add instruction to end of basic block!
@ -65,11 +65,11 @@ MachineInstr::MachineInstr(MachineBasicBlock *MBB, short opcode,
///
MachineInstr::MachineInstr(const MachineInstr &MI) {
Opcode = MI.getOpcode();
operands.reserve(MI.getNumOperands());
Operands.reserve(MI.getNumOperands());
// Add operands
for (unsigned i = 0; i < MI.getNumOperands(); ++i)
operands.push_back(MachineOperand(MI.getOperand(i)));
for (unsigned i = 0; i != MI.getNumOperands(); ++i)
Operands.push_back(MI.getOperand(i));
// Set parent, next, and prev to null
parent = 0;
@ -82,13 +82,6 @@ MachineInstr::~MachineInstr() {
LeakDetector::removeGarbageObject(this);
}
/// clone - Create a copy of 'this' instruction that is identical in all ways
/// except the following: the new instruction has no parent and it has no name
///
MachineInstr* MachineInstr::clone() const {
return new MachineInstr(*this);
}
/// removeFromParent - This method unlinks 'this' from the containing basic
/// block, and returns it, but does not delete it.
MachineInstr *MachineInstr::removeFromParent() {
@ -111,15 +104,6 @@ void MachineInstr::dump() const {
std::cerr << " " << *this;
}
static inline std::ostream& OutputValue(std::ostream &os, const Value* val) {
os << "(val ";
os << (void*) val; // print address always
if (val && val->hasName())
os << " " << val->getName(); // print name also, if available
os << ")";
return os;
}
static inline void OutputReg(std::ostream &os, unsigned RegNo,
const MRegisterInfo *MRI = 0) {
if (!RegNo || MRegisterInfo::isPhysicalRegister(RegNo)) {