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//===-- llvm/iOperators.h - Binary Operator node definitions ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations of the Binary Operator classes.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IOPERATORS_H
#define LLVM_IOPERATORS_H
#include "llvm/InstrTypes.h"
namespace llvm {
/// SetCondInst class - Represent a setCC operator, where CC is eq, ne, lt, gt,
/// le, or ge.
///
class SetCondInst : public BinaryOperator {
BinaryOps OpType;
public:
SetCondInst(BinaryOps Opcode, Value *LHS, Value *RHS,
const std::string &Name = "", Instruction *InsertBefore = 0);
/// getInverseCondition - Return the inverse of the current condition opcode.
/// For example seteq -> setne, setgt -> setle, setlt -> setge, etc...
///
BinaryOps getInverseCondition() const {
return getInverseCondition(getOpcode());
}
/// getInverseCondition - Static version that you can use without an
/// instruction available.
///
static BinaryOps getInverseCondition(BinaryOps Opcode);
/// getSwappedCondition - Return the condition opcode that would be the result
/// of exchanging the two operands of the setcc instruction without changing
/// the result produced. Thus, seteq->seteq, setle->setge, setlt->setgt, etc.
///
BinaryOps getSwappedCondition() const {
return getSwappedCondition(getOpcode());
}
/// getSwappedCondition - Static version that you can use without an
/// instruction available.
///
static BinaryOps getSwappedCondition(BinaryOps Opcode);
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const SetCondInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == SetEQ || I->getOpcode() == SetNE ||
I->getOpcode() == SetLE || I->getOpcode() == SetGE ||
I->getOpcode() == SetLT || I->getOpcode() == SetGT;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
} // End llvm namespace
#endif
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