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d0fde30ce8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
//===-- llvm/iOperators.h - Binary Operator node definitions ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declarations of the Binary Operator classes.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IOPERATORS_H
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#define LLVM_IOPERATORS_H
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#include "llvm/InstrTypes.h"
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namespace llvm {
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/// SetCondInst class - Represent a setCC operator, where CC is eq, ne, lt, gt,
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/// le, or ge.
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///
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class SetCondInst : public BinaryOperator {
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BinaryOps OpType;
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public:
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SetCondInst(BinaryOps Opcode, Value *LHS, Value *RHS,
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const std::string &Name = "", Instruction *InsertBefore = 0);
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/// getInverseCondition - Return the inverse of the current condition opcode.
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/// For example seteq -> setne, setgt -> setle, setlt -> setge, etc...
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///
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BinaryOps getInverseCondition() const {
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return getInverseCondition(getOpcode());
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}
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/// getInverseCondition - Static version that you can use without an
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/// instruction available.
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///
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static BinaryOps getInverseCondition(BinaryOps Opcode);
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/// getSwappedCondition - Return the condition opcode that would be the result
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/// of exchanging the two operands of the setcc instruction without changing
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/// the result produced. Thus, seteq->seteq, setle->setge, setlt->setgt, etc.
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///
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BinaryOps getSwappedCondition() const {
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return getSwappedCondition(getOpcode());
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}
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/// getSwappedCondition - Static version that you can use without an
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/// instruction available.
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///
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static BinaryOps getSwappedCondition(BinaryOps Opcode);
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const SetCondInst *) { return true; }
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static inline bool classof(const Instruction *I) {
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return I->getOpcode() == SetEQ || I->getOpcode() == SetNE ||
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I->getOpcode() == SetLE || I->getOpcode() == SetGE ||
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I->getOpcode() == SetLT || I->getOpcode() == SetGT;
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}
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static inline bool classof(const Value *V) {
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return isa<Instruction>(V) && classof(cast<Instruction>(V));
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}
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};
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} // End llvm namespace
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#endif
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