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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
//===-- iBinaryOperators.cpp - Implement the BinaryOperators -----*- C++ -*--=//
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//
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// This file implements the nontrivial binary operator instructions.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/iBinary.h"
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#include "llvm/Type.h"
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BinaryOperator *BinaryOperator::create(unsigned Op, Value *S1, Value *S2,
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const string &Name) {
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switch (Op) {
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// Standard binary operators...
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case Add: return new GenericBinaryInst(Op, S1, S2, "add", Name);
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case Sub: return new GenericBinaryInst(Op, S1, S2, "sub", Name);
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case Mul: return new GenericBinaryInst(Op, S1, S2, "mul", Name);
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case Div: return new GenericBinaryInst(Op, S1, S2, "div", Name);
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case Rem: return new GenericBinaryInst(Op, S1, S2, "rem", Name);
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// Logical operators...
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case And: return new GenericBinaryInst(Op, S1, S2, "and", Name);
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case Or : return new GenericBinaryInst(Op, S1, S2, "or", Name);
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case Xor: return new GenericBinaryInst(Op, S1, S2, "xor", Name);
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// Binary comparison operators...
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case SetLT: case SetGT: case SetLE:
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case SetGE: case SetEQ: case SetNE:
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return new SetCondInst((BinaryOps)Op, S1, S2, Name);
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default:
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cerr << "Don't know how to GetBinaryOperator " << Op << endl;
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return 0;
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}
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}
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//===----------------------------------------------------------------------===//
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// SetCondInst Class
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//===----------------------------------------------------------------------===//
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SetCondInst::SetCondInst(BinaryOps opType, Value *S1, Value *S2,
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const string &Name)
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: BinaryOperator(opType, S1, S2, Name) {
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OpType = opType;
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setType(Type::BoolTy); // setcc instructions always return bool type.
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// Make sure it's a valid type...
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assert(getOpcode() != "Invalid opcode type to SetCondInst class!");
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}
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string SetCondInst::getOpcode() const {
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switch (OpType) {
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case SetLE: return "setle";
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case SetGE: return "setge";
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case SetLT: return "setlt";
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case SetGT: return "setgt";
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case SetEQ: return "seteq";
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case SetNE: return "setne";
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default:
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assert(0 && "Invalid opcode type to SetCondInst class!");
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return "invalid opcode type to SetCondInst";
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}
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}
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