-//===-- llvm/iBinary.h - Binary Operator node definitions --------*- C++ -*--=//
+//===-- llvm/iOperators.h - Binary Operator node definitions ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
//
-// This file contains the declarations of all of the Binary Operator classes.
+// 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_IBINARY_H
-#define LLVM_IBINARY_H
+#ifndef LLVM_IOPERATORS_H
+#define LLVM_IOPERATORS_H
#include "llvm/InstrTypes.h"
-//===----------------------------------------------------------------------===//
-// Classes to represent Binary operators
-//===----------------------------------------------------------------------===//
-//
-// All of these classes are subclasses of the BinaryOperator class...
-//
+namespace llvm {
-class AddInst : public BinaryOperator {
+/// SetCondInst class - Represent a setCC operator, where CC is eq, ne, lt, gt,
+/// le, or ge.
+///
+class SetCondInst : public BinaryOperator {
+ BinaryOps OpType;
public:
- AddInst(Value *S1, Value *S2, const string &Name = "")
- : BinaryOperator(Instruction::Add, S1, S2, Name) {
- }
+ SetCondInst(BinaryOps Opcode, Value *LHS, Value *RHS,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
- virtual string getOpcode() const { return "add"; }
-};
+ /// 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);
-class SubInst : public BinaryOperator {
-public:
- SubInst(Value *S1, Value *S2, const string &Name = "")
- : BinaryOperator(Instruction::Sub, S1, S2, Name) {
+ /// 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());
}
- virtual string getOpcode() const { return "sub"; }
-};
+ /// getSwappedCondition - Static version that you can use without an
+ /// instruction available.
+ ///
+ static BinaryOps getSwappedCondition(BinaryOps Opcode);
-class SetCondInst : public BinaryOperator {
- BinaryOps OpType;
-public:
- SetCondInst(BinaryOps opType, Value *S1, Value *S2,
- const string &Name = "");
-
- virtual string getOpcode() const;
+ // 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