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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++ -*--=//
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//
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// This file defines various meta classes of instructions that exist in the VM
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// representation. Specific concrete subclasses of these may be found in the
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// i*.h files...
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_INSTRUCTION_TYPES_H
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#define LLVM_INSTRUCTION_TYPES_H
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#include "llvm/Instruction.h"
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class Method;
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class SymTabValue;
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//===----------------------------------------------------------------------===//
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// TerminatorInst Class
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//===----------------------------------------------------------------------===//
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// TerminatorInst - Subclasses of this class are all able to terminate a basic
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// block. Thus, these are all the flow control type of operations.
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//
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class TerminatorInst : public Instruction {
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public:
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TerminatorInst(unsigned iType);
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inline ~TerminatorInst() {}
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// Terminators must implement the methods required by Instruction...
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virtual Instruction *clone() const = 0;
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virtual const char *getOpcodeName() const = 0;
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// Additionally, they must provide a method to get at the successors of this
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// terminator instruction. If 'idx' is out of range, a null pointer shall be
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// returned.
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//
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virtual const BasicBlock *getSuccessor(unsigned idx) const = 0;
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virtual unsigned getNumSuccessors() const = 0;
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inline BasicBlock *getSuccessor(unsigned idx) {
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return (BasicBlock*)((const TerminatorInst *)this)->getSuccessor(idx);
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}
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};
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//===----------------------------------------------------------------------===//
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// UnaryOperator Class
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//===----------------------------------------------------------------------===//
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class UnaryOperator : public Instruction {
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public:
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// create() - Construct a unary instruction, given the opcode
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// and its operand.
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//
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static UnaryOperator *create(UnaryOps Op, Value *Source);
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UnaryOperator(Value *S, UnaryOps iType, const string &Name = "")
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: Instruction(S->getType(), iType, Name) {
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Operands.reserve(1);
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Operands.push_back(Use(S, this));
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}
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inline UnaryOps getOpcode() const {
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return (UnaryOps)Instruction::getOpcode();
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}
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virtual Instruction *clone() const {
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return create(getOpcode(), Operands[0]);
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}
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virtual const char *getOpcodeName() const = 0;
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};
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//===----------------------------------------------------------------------===//
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// BinaryOperator Class
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//===----------------------------------------------------------------------===//
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class BinaryOperator : public Instruction {
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public:
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// create() - Construct a binary instruction, given the opcode
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// and the two operands.
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//
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static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2,
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const string &Name = "");
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BinaryOperator(BinaryOps iType, Value *S1, Value *S2,
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const string &Name = "")
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: Instruction(S1->getType(), iType, Name) {
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Operands.reserve(2);
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Operands.push_back(Use(S1, this));
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Operands.push_back(Use(S2, this));
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assert(Operands[0] && Operands[1] &&
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Operands[0]->getType() == Operands[1]->getType());
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}
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inline BinaryOps getOpcode() const {
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return (BinaryOps)Instruction::getOpcode();
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}
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virtual Instruction *clone() const {
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return create(getOpcode(), Operands[0], Operands[1]);
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}
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virtual const char *getOpcodeName() const = 0;
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// swapOperands - Exchange the two operands to this instruction
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void swapOperands() {
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swap(Operands[0], Operands[1]);
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}
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};
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#endif
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