<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">//===-- llvm/Instruction.def - File that describes Instructions -*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// 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_UNARY_INST
#define FIRST_UNARY_INST(num)
#endif
#ifndef HANDLE_UNARY_INST
#ifndef HANDLE_INST
#define HANDLE_UNARY_INST(num, opcode, instclass)
#else
#define HANDLE_UNARY_INST(num, opcode, Class) HANDLE_INST(num, opcode, Class)
#endif
#endif
#ifndef LAST_UNARY_INST
#define LAST_UNARY_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_FUNCLETPAD_INST
#define FIRST_FUNCLETPAD_INST(num)
#endif
#ifndef HANDLE_FUNCLETPAD_INST
#ifndef HANDLE_INST
#define HANDLE_FUNCLETPAD_INST(num, opcode, Class)
#else
#define HANDLE_FUNCLETPAD_INST(num, opcode, Class) HANDLE_INST(num, opcode, Class)
#endif
#endif
#ifndef LAST_FUNCLETPAD_INST
#define LAST_FUNCLETPAD_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

#ifndef HANDLE_USER_INST
#define HANDLE_USER_INST(num, opc, Class) HANDLE_OTHER_INST(num, opc, Class)
#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, IndirectBr    , IndirectBrInst)
HANDLE_TERM_INST  ( 5, Invoke        , InvokeInst)
HANDLE_TERM_INST  ( 6, Resume        , ResumeInst)
HANDLE_TERM_INST  ( 7, Unreachable   , UnreachableInst)
HANDLE_TERM_INST  ( 8, CleanupRet    , CleanupReturnInst)
HANDLE_TERM_INST  ( 9, CatchRet      , CatchReturnInst)
HANDLE_TERM_INST  (10, CatchSwitch   , CatchSwitchInst)
HANDLE_TERM_INST  (11, CallBr        , CallBrInst) // A call-site terminator
  LAST_TERM_INST  (11)

// Standard unary operators...
 FIRST_UNARY_INST(12)
HANDLE_UNARY_INST(12, FNeg  , UnaryOperator)
  LAST_UNARY_INST(12)

// Standard binary operators...
 FIRST_BINARY_INST(13)
HANDLE_BINARY_INST(13, Add  , BinaryOperator)
HANDLE_BINARY_INST(14, FAdd , BinaryOperator)
HANDLE_BINARY_INST(15, Sub  , BinaryOperator)
HANDLE_BINARY_INST(16, FSub , BinaryOperator)
HANDLE_BINARY_INST(17, Mul  , BinaryOperator)
HANDLE_BINARY_INST(18, FMul , BinaryOperator)
HANDLE_BINARY_INST(19, UDiv , BinaryOperator)
HANDLE_BINARY_INST(20, SDiv , BinaryOperator)
HANDLE_BINARY_INST(21, FDiv , BinaryOperator)
HANDLE_BINARY_INST(22, URem , BinaryOperator)
HANDLE_BINARY_INST(23, SRem , BinaryOperator)
HANDLE_BINARY_INST(24, FRem , BinaryOperator)

// Logical operators (integer operands)
HANDLE_BINARY_INST(25, Shl  , BinaryOperator) // Shift left  (logical)
HANDLE_BINARY_INST(26, LShr , BinaryOperator) // Shift right (logical)
HANDLE_BINARY_INST(27, AShr , BinaryOperator) // Shift right (arithmetic)
HANDLE_BINARY_INST(28, And  , BinaryOperator)
HANDLE_BINARY_INST(29, Or   , BinaryOperator)
HANDLE_BINARY_INST(30, Xor  , BinaryOperator)
  LAST_BINARY_INST(30)

// Memory operators...
 FIRST_MEMORY_INST(31)
HANDLE_MEMORY_INST(31, Alloca, AllocaInst)  // Stack management
HANDLE_MEMORY_INST(32, Load  , LoadInst  )  // Memory manipulation instrs
HANDLE_MEMORY_INST(33, Store , StoreInst )
HANDLE_MEMORY_INST(34, GetElementPtr, GetElementPtrInst)
HANDLE_MEMORY_INST(35, Fence , FenceInst )
HANDLE_MEMORY_INST(36, AtomicCmpXchg , AtomicCmpXchgInst )
HANDLE_MEMORY_INST(37, AtomicRMW , AtomicRMWInst )
  LAST_MEMORY_INST(37)

// Cast operators ...
// NOTE: The order matters here because CastInst::isEliminableCastPair
// NOTE: (see Instructions.cpp) encodes a table based on this ordering.
 FIRST_CAST_INST(38)
HANDLE_CAST_INST(38, Trunc   , TruncInst   )  // Truncate integers
HANDLE_CAST_INST(39, ZExt    , ZExtInst    )  // Zero extend integers
HANDLE_CAST_INST(40, SExt    , SExtInst    )  // Sign extend integers
HANDLE_CAST_INST(41, FPToUI  , FPToUIInst  )  // floating point -&gt; UInt
HANDLE_CAST_INST(42, FPToSI  , FPToSIInst  )  // floating point -&gt; SInt
HANDLE_CAST_INST(43, UIToFP  , UIToFPInst  )  // UInt -&gt; floating point
HANDLE_CAST_INST(44, SIToFP  , SIToFPInst  )  // SInt -&gt; floating point
HANDLE_CAST_INST(45, FPTrunc , FPTruncInst )  // Truncate floating point
HANDLE_CAST_INST(46, FPExt   , FPExtInst   )  // Extend floating point
HANDLE_CAST_INST(47, PtrToInt, PtrToIntInst)  // Pointer -&gt; Integer
HANDLE_CAST_INST(48, IntToPtr, IntToPtrInst)  // Integer -&gt; Pointer
HANDLE_CAST_INST(49, BitCast , BitCastInst )  // Type cast
HANDLE_CAST_INST(50, AddrSpaceCast, AddrSpaceCastInst)  // addrspace cast
  LAST_CAST_INST(50)

 FIRST_FUNCLETPAD_INST(51)
HANDLE_FUNCLETPAD_INST(51, CleanupPad, CleanupPadInst)
HANDLE_FUNCLETPAD_INST(52, CatchPad  , CatchPadInst)
  LAST_FUNCLETPAD_INST(52)

// Other operators...
 FIRST_OTHER_INST(53)
HANDLE_OTHER_INST(53, ICmp   , ICmpInst   )  // Integer comparison instruction
HANDLE_OTHER_INST(54, FCmp   , FCmpInst   )  // Floating point comparison instr.
HANDLE_OTHER_INST(55, PHI    , PHINode    )  // PHI node instruction
HANDLE_OTHER_INST(56, Call   , CallInst   )  // Call a function
HANDLE_OTHER_INST(57, Select , SelectInst )  // select instruction
HANDLE_USER_INST (58, UserOp1, Instruction)  // May be used internally in a pass
HANDLE_USER_INST (59, UserOp2, Instruction)  // Internal to passes only
HANDLE_OTHER_INST(60, VAArg  , VAArgInst  )  // vaarg instruction
HANDLE_OTHER_INST(61, ExtractElement, ExtractElementInst)// extract from vector
HANDLE_OTHER_INST(62, InsertElement, InsertElementInst)  // insert into vector
HANDLE_OTHER_INST(63, ShuffleVector, ShuffleVectorInst)  // shuffle two vectors.
HANDLE_OTHER_INST(64, ExtractValue, ExtractValueInst)// extract from aggregate
HANDLE_OTHER_INST(65, InsertValue, InsertValueInst)  // insert into aggregate
HANDLE_OTHER_INST(66, LandingPad, LandingPadInst)  // Landing pad instruction.
HANDLE_OTHER_INST(67, Freeze, FreezeInst) // Freeze instruction.
  LAST_OTHER_INST(67)

#undef  FIRST_TERM_INST
#undef HANDLE_TERM_INST
#undef   LAST_TERM_INST

#undef  FIRST_UNARY_INST
#undef HANDLE_UNARY_INST
#undef   LAST_UNARY_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_FUNCLETPAD_INST
#undef HANDLE_FUNCLETPAD_INST
#undef   LAST_FUNCLETPAD_INST

#undef  FIRST_OTHER_INST
#undef HANDLE_OTHER_INST
#undef   LAST_OTHER_INST

#undef HANDLE_USER_INST

#ifdef HANDLE_INST
#undef HANDLE_INST
#endif
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