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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
//===-- Instruction.cpp - Implement the Instruction class --------*- C++ -*--=//
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//
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// This file implements the Instruction class for the VMCore library.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Instruction.h"
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#include "llvm/BasicBlock.h"
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#include "llvm/Method.h"
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#include "llvm/SymbolTable.h"
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#include "llvm/iBinary.h"
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#include "llvm/iUnary.h"
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Instruction::Instruction(const Type *ty, unsigned it, const string &Name)
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: User(ty, Value::InstructionVal, Name) {
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Parent = 0;
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iType = it;
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}
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Instruction::~Instruction() {
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assert(getParent() == 0 && "Instruction still embeded in basic block!");
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}
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// Specialize setName to take care of symbol table majik
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void Instruction::setName(const string &name) {
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BasicBlock *P = 0; Method *PP = 0;
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if ((P = getParent()) && (PP = P->getParent()) && hasName())
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PP->getSymbolTable()->remove(this);
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Value::setName(name);
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if (PP && hasName()) PP->getSymbolTableSure()->insert(this);
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}
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Instruction *Instruction::getBinaryOperator(unsigned Op, Value *S1, Value *S2) {
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switch (Op) {
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case Add:
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return new AddInst(S1, S2);
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case Sub:
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return new SubInst(S1, S2);
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case SetLT:
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case SetGT:
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case SetLE:
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case SetGE:
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case SetEQ:
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case SetNE:
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return new SetCondInst((BinaryOps)Op, S1, S2);
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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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Instruction *Instruction::getUnaryOperator(unsigned Op, Value *Source) {
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switch (Op) {
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default:
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cerr << "Don't know how to GetUnaryOperator " << Op << endl;
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return 0;
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}
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}
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