mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-01 15:11:24 +00:00
46cbff625e
Value to a vector instead of a list. Move SchedGraph.h & SchedPriorities.h into lib/CodeGen/InstrScheduling git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@572 91177308-0d34-0410-b5e6-96231b3b80d8
117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
//===-- llvm/InstrTypes.h - Important Instruction subclasses -----*- C++ -*--=//
|
|
//
|
|
// This file defines various meta classes of instructions that exist in the VM
|
|
// representation. Specific concrete subclasses of these may be found in the
|
|
// i*.h files...
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_INSTRUCTION_TYPES_H
|
|
#define LLVM_INSTRUCTION_TYPES_H
|
|
|
|
#include "llvm/Instruction.h"
|
|
|
|
class Method;
|
|
class SymTabValue;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TerminatorInst Class
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// TerminatorInst - Subclasses of this class are all able to terminate a basic
|
|
// block. Thus, these are all the flow control type of operations.
|
|
//
|
|
class TerminatorInst : public Instruction {
|
|
public:
|
|
TerminatorInst(unsigned iType);
|
|
inline ~TerminatorInst() {}
|
|
|
|
// Terminators must implement the methods required by Instruction...
|
|
virtual Instruction *clone() const = 0;
|
|
virtual const char *getOpcodeName() const = 0;
|
|
|
|
// Additionally, they must provide a method to get at the successors of this
|
|
// terminator instruction. If 'idx' is out of range, a null pointer shall be
|
|
// returned.
|
|
//
|
|
virtual const BasicBlock *getSuccessor(unsigned idx) const = 0;
|
|
virtual unsigned getNumSuccessors() const = 0;
|
|
|
|
inline BasicBlock *getSuccessor(unsigned idx) {
|
|
return (BasicBlock*)((const TerminatorInst *)this)->getSuccessor(idx);
|
|
}
|
|
};
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// UnaryOperator Class
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class UnaryOperator : public Instruction {
|
|
public:
|
|
|
|
// create() - Construct a unary instruction, given the opcode
|
|
// and its operand.
|
|
//
|
|
static UnaryOperator *create(UnaryOps Op, Value *Source);
|
|
|
|
UnaryOperator(Value *S, UnaryOps iType, const string &Name = "")
|
|
: Instruction(S->getType(), iType, Name) {
|
|
Operands.reserve(1);
|
|
Operands.push_back(Use(S, this));
|
|
}
|
|
|
|
inline UnaryOps getOpcode() const {
|
|
return (UnaryOps)Instruction::getOpcode();
|
|
}
|
|
|
|
virtual Instruction *clone() const {
|
|
return create(getOpcode(), Operands[0]);
|
|
}
|
|
|
|
virtual const char *getOpcodeName() const = 0;
|
|
};
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// BinaryOperator Class
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class BinaryOperator : public Instruction {
|
|
public:
|
|
|
|
// create() - Construct a binary instruction, given the opcode
|
|
// and the two operands.
|
|
//
|
|
static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2,
|
|
const string &Name = "");
|
|
|
|
BinaryOperator(BinaryOps iType, Value *S1, Value *S2,
|
|
const string &Name = "")
|
|
: Instruction(S1->getType(), iType, Name) {
|
|
Operands.reserve(2);
|
|
Operands.push_back(Use(S1, this));
|
|
Operands.push_back(Use(S2, this));
|
|
assert(Operands[0] && Operands[1] &&
|
|
Operands[0]->getType() == Operands[1]->getType());
|
|
}
|
|
|
|
inline BinaryOps getOpcode() const {
|
|
return (BinaryOps)Instruction::getOpcode();
|
|
}
|
|
|
|
virtual Instruction *clone() const {
|
|
return create(getOpcode(), Operands[0], Operands[1]);
|
|
}
|
|
|
|
virtual const char *getOpcodeName() const = 0;
|
|
|
|
// swapOperands - Exchange the two operands to this instruction
|
|
void swapOperands() {
|
|
swap(Operands[0], Operands[1]);
|
|
}
|
|
};
|
|
|
|
#endif
|