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//===-- llvm/Instruction.def - File that describes Instructions -*- C++ -*-===//
// 
//                     The LLVM Compiler Infrastructure
//
// 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 descriptions of the various LLVM instructions.  This is
// used as a central place for enumerating the different instructions and 
// should eventually be the place to put comments about the instructions.
//
//===----------------------------------------------------------------------===//

// NOTE: NO INCLUDE GUARD DESIRED!

// Provide definitions of macros so that users of this file do not have to 
// define everything to use it...
//
#ifndef FIRST_TERM_INST
#define FIRST_TERM_INST(num)
#endif
#ifndef HANDLE_TERM_INST
#ifndef HANDLE_INST
#define HANDLE_TERM_INST(num, opcode, Class)
#else
#define HANDLE_TERM_INST(num, opcode, Class) HANDLE_INST(num, opcode, Class)
#endif
#endif
#ifndef LAST_TERM_INST
#define LAST_TERM_INST(num)
#endif

#ifndef FIRST_BINARY_INST
#define FIRST_BINARY_INST(num)
#endif
#ifndef HANDLE_BINARY_INST
#ifndef HANDLE_INST
#define HANDLE_BINARY_INST(num, opcode, instclass)
#else
#define HANDLE_BINARY_INST(num, opcode, Class) HANDLE_INST(num, opcode, Class)
#endif
#endif
#ifndef LAST_BINARY_INST
#define LAST_BINARY_INST(num)
#endif

#ifndef FIRST_MEMORY_INST
#define FIRST_MEMORY_INST(num)
#endif
#ifndef HANDLE_MEMORY_INST
#ifndef HANDLE_INST
#define HANDLE_MEMORY_INST(num, opcode, Class)
#else
#define HANDLE_MEMORY_INST(num, opcode, Class) HANDLE_INST(num, opcode, Class)
#endif
#endif
#ifndef LAST_MEMORY_INST
#define LAST_MEMORY_INST(num)
#endif

#ifndef FIRST_CAST_INST
#define FIRST_CAST_INST(num)
#endif
#ifndef HANDLE_CAST_INST
#ifndef HANDLE_INST
#define HANDLE_CAST_INST(num, opcode, Class)
#else
#define HANDLE_CAST_INST(num, opcode, Class) HANDLE_INST(num, opcode, Class)
#endif
#endif
#ifndef LAST_CAST_INST
#define LAST_CAST_INST(num)
#endif

#ifndef FIRST_OTHER_INST
#define FIRST_OTHER_INST(num)
#endif
#ifndef HANDLE_OTHER_INST
#ifndef HANDLE_INST
#define HANDLE_OTHER_INST(num, opcode, Class)
#else
#define HANDLE_OTHER_INST(num, opcode, Class) HANDLE_INST(num, opcode, Class)
#endif
#endif
#ifndef LAST_OTHER_INST
#define LAST_OTHER_INST(num)
#endif


// Terminator Instructions - These instructions are used to terminate a basic
// block of the program.   Every basic block must end with one of these
// instructions for it to be a well formed basic block.
//
 FIRST_TERM_INST  ( 1)
HANDLE_TERM_INST  ( 1, Ret        , ReturnInst)
HANDLE_TERM_INST  ( 2, Br         , BranchInst)
HANDLE_TERM_INST  ( 3, Switch     , SwitchInst)
HANDLE_TERM_INST  ( 4, Invoke     , InvokeInst)
HANDLE_TERM_INST  ( 5, Unwind     , UnwindInst)
HANDLE_TERM_INST  ( 6, Unreachable, UnreachableInst)
  LAST_TERM_INST  ( 6)

// Standard binary operators...
 FIRST_BINARY_INST( 7)
HANDLE_BINARY_INST( 7, Add  , BinaryOperator)
HANDLE_BINARY_INST( 8, Sub  , BinaryOperator)
HANDLE_BINARY_INST( 9, Mul  , BinaryOperator)
HANDLE_BINARY_INST(10, UDiv , BinaryOperator)
HANDLE_BINARY_INST(11, SDiv , BinaryOperator)
HANDLE_BINARY_INST(12, FDiv , BinaryOperator)
HANDLE_BINARY_INST(13, URem , BinaryOperator)
HANDLE_BINARY_INST(14, SRem , BinaryOperator)
HANDLE_BINARY_INST(15, FRem , BinaryOperator)

// Logical operators (integer operands)
HANDLE_BINARY_INST(16, Shl  , BinaryOperator) // Shift left  (logical)
HANDLE_BINARY_INST(17, LShr , BinaryOperator) // Shift right (logical) 
HANDLE_BINARY_INST(18, AShr , BinaryOperator) // shift right (arithmetic)
HANDLE_BINARY_INST(19, And  , BinaryOperator)
HANDLE_BINARY_INST(20, Or   , BinaryOperator)
HANDLE_BINARY_INST(21, Xor  , BinaryOperator)
  LAST_BINARY_INST(21)

// Memory operators...
 FIRST_MEMORY_INST(22)
HANDLE_MEMORY_INST(22, Malloc, MallocInst)  // Heap management instructions
HANDLE_MEMORY_INST(23, Free  , FreeInst  )
HANDLE_MEMORY_INST(24, Alloca, AllocaInst)  // Stack management
HANDLE_MEMORY_INST(25, Load  , LoadInst  )  // Memory manipulation instrs
HANDLE_MEMORY_INST(26, Store , StoreInst )
HANDLE_MEMORY_INST(27, GetElementPtr, GetElementPtrInst)
  LAST_MEMORY_INST(27)

// Cast operators ...
// NOTE: The order matters here because CastInst::isEliminableCastPair 
// NOTE: (see Instructions.cpp) encodes a table based on this ordering.
 FIRST_CAST_INST(28)
HANDLE_CAST_INST(28, Trunc   , TruncInst   )  // Truncate integers
HANDLE_CAST_INST(29, ZExt    , ZExtInst    )  // Zero extend integers
HANDLE_CAST_INST(30, SExt    , SExtInst    )  // Sign extend integers
HANDLE_CAST_INST(31, FPToUI  , FPToUIInst  )  // floating point -> UInt
HANDLE_CAST_INST(32, FPToSI  , FPToSIInst  )  // floating point -> SInt
HANDLE_CAST_INST(33, UIToFP  , UIToFPInst  )  // UInt -> floating point
HANDLE_CAST_INST(34, SIToFP  , SIToFPInst  )  // SInt -> floating point
HANDLE_CAST_INST(35, FPTrunc , FPTruncInst )  // Truncate floating point
HANDLE_CAST_INST(36, FPExt   , FPExtInst   )  // Extend floating point
HANDLE_CAST_INST(37, PtrToInt, PtrToIntInst)  // Pointer -> Integer
HANDLE_CAST_INST(38, IntToPtr, IntToPtrInst)  // Integer -> Pointer
HANDLE_CAST_INST(39, BitCast , BitCastInst )  // Type cast
  LAST_CAST_INST(39)

// Other operators...
 FIRST_OTHER_INST(40)
HANDLE_OTHER_INST(40, ICmp   , ICmpInst   )  // Integer comparison instruction
HANDLE_OTHER_INST(41, FCmp   , FCmpInst   )  // Floating point comparison instr.
HANDLE_OTHER_INST(42, PHI    , PHINode    )  // PHI node instruction
HANDLE_OTHER_INST(43, Call   , CallInst   )  // Call a function
HANDLE_OTHER_INST(44, Select , SelectInst )  // select instruction
HANDLE_OTHER_INST(45, UserOp1, Instruction)  // May be used internally in a pass
HANDLE_OTHER_INST(46, UserOp2, Instruction)  // Internal to passes only
HANDLE_OTHER_INST(47, VAArg  , VAArgInst  )  // vaarg instruction
HANDLE_OTHER_INST(48, ExtractElement, ExtractElementInst)// extract from vector.
HANDLE_OTHER_INST(49, InsertElement, InsertElementInst)  // insert into vector
HANDLE_OTHER_INST(50, ShuffleVector, ShuffleVectorInst)  // shuffle two vectors.
  LAST_OTHER_INST(50)

#undef  FIRST_TERM_INST
#undef HANDLE_TERM_INST
#undef   LAST_TERM_INST

#undef  FIRST_BINARY_INST
#undef HANDLE_BINARY_INST
#undef   LAST_BINARY_INST

#undef  FIRST_MEMORY_INST
#undef HANDLE_MEMORY_INST
#undef   LAST_MEMORY_INST

#undef  FIRST_CAST_INST
#undef HANDLE_CAST_INST
#undef   LAST_CAST_INST

#undef  FIRST_OTHER_INST
#undef HANDLE_OTHER_INST
#undef   LAST_OTHER_INST

#ifdef HANDLE_INST
#undef HANDLE_INST
#endif