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//===-- iBinaryOperators.cpp - Implement the BinaryOperators -----*- C++ -*--=//
//
// This file implements the nontrivial binary operator instructions.
//
//===----------------------------------------------------------------------===//
#include "llvm/iBinary.h"
#include "llvm/Type.h"
BinaryOperator *BinaryOperator::create(unsigned Op, Value *S1, Value *S2,
const string &Name) {
switch (Op) {
// Standard binary operators...
case Add: return new GenericBinaryInst(Op, S1, S2, "add", Name);
case Sub: return new GenericBinaryInst(Op, S1, S2, "sub", Name);
case Mul: return new GenericBinaryInst(Op, S1, S2, "mul", Name);
case Div: return new GenericBinaryInst(Op, S1, S2, "div", Name);
case Rem: return new GenericBinaryInst(Op, S1, S2, "rem", Name);
// Logical operators...
case And: return new GenericBinaryInst(Op, S1, S2, "and", Name);
case Or : return new GenericBinaryInst(Op, S1, S2, "or", Name);
case Xor: return new GenericBinaryInst(Op, S1, S2, "xor", Name);
// Binary comparison operators...
case SetLT: case SetGT: case SetLE:
case SetGE: case SetEQ: case SetNE:
return new SetCondInst((BinaryOps)Op, S1, S2, Name);
default:
cerr << "Don't know how to GetBinaryOperator " << Op << endl;
return 0;
}
}
//===----------------------------------------------------------------------===//
// SetCondInst Class
//===----------------------------------------------------------------------===//
SetCondInst::SetCondInst(BinaryOps opType, Value *S1, Value *S2,
const string &Name)
: BinaryOperator(opType, S1, S2, Name) {
OpType = opType;
setType(Type::BoolTy); // setcc instructions always return bool type.
// Make sure it's a valid type...
assert(getOpcode() != "Invalid opcode type to SetCondInst class!");
}
string SetCondInst::getOpcode() const {
switch (OpType) {
case SetLE: return "setle";
case SetGE: return "setge";
case SetLT: return "setlt";
case SetGT: return "setgt";
case SetEQ: return "seteq";
case SetNE: return "setne";
default:
assert(0 && "Invalid opcode type to SetCondInst class!");
return "invalid opcode type to SetCondInst";
}
}
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