1 //===-- Instruction.cpp - Implement the Instruction class --------*- C++ -*--=//
3 // This file implements the Instruction class for the VMCore library.
5 //===----------------------------------------------------------------------===//
7 #include "llvm/Function.h"
8 #include "llvm/SymbolTable.h"
11 Instruction::Instruction(const Type *ty, unsigned it, const std::string &Name)
12 : User(ty, Value::InstructionVal, Name) {
17 // Specialize setName to take care of symbol table majik
18 void Instruction::setName(const std::string &name, SymbolTable *ST) {
19 BasicBlock *P = 0; Function *PP = 0;
20 assert((ST == 0 || !getParent() || !getParent()->getParent() ||
21 ST == getParent()->getParent()->getSymbolTable()) &&
22 "Invalid symtab argument!");
23 if ((P = getParent()) && (PP = P->getParent()) && hasName())
24 PP->getSymbolTable()->remove(this);
26 if (PP && hasName()) PP->getSymbolTableSure()->insert(this);
30 const char *Instruction::getOpcodeName(unsigned OpCode) {
33 case Ret: return "ret";
35 case Switch: return "switch";
36 case Invoke: return "invoke";
38 // Standard unary operators...
39 case Not: return "not";
41 // Standard binary operators...
42 case Add: return "add";
43 case Sub: return "sub";
44 case Mul: return "mul";
45 case Div: return "div";
46 case Rem: return "rem";
48 // Logical operators...
49 case And: return "and";
50 case Or : return "or";
51 case Xor: return "xor";
54 case SetLE: return "setle";
55 case SetGE: return "setge";
56 case SetLT: return "setlt";
57 case SetGT: return "setgt";
58 case SetEQ: return "seteq";
59 case SetNE: return "setne";
61 // Memory instructions...
62 case Malloc: return "malloc";
63 case Free: return "free";
64 case Alloca: return "alloca";
65 case Load: return "load";
66 case Store: return "store";
67 case GetElementPtr: return "getelementptr";
69 // Other instructions...
70 case PHINode: return "phi";
71 case Cast: return "cast";
72 case Call: return "call";
73 case Shl: return "shl";
74 case Shr: return "shr";
76 default: return "<Invalid operator> ";