2003-09-30 18:37:50 +00:00
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//===-- llvm/CodeGen/MachineInstr.h - MachineInstr class --------*- C++ -*-===//
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2005-04-21 20:39:54 +00:00
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//
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2003-10-20 20:19:47 +00:00
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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2005-04-21 20:39:54 +00:00
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//
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2003-10-20 20:19:47 +00:00
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//===----------------------------------------------------------------------===//
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2002-02-03 07:11:59 +00:00
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//
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// This file contains the declaration of the MachineInstr class, which is the
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2003-08-21 22:14:26 +00:00
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// basic representation for all target dependent machine instructions used by
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2002-02-03 07:11:59 +00:00
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// the back end.
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//
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//===----------------------------------------------------------------------===//
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2001-07-21 12:39:03 +00:00
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#ifndef LLVM_CODEGEN_MACHINEINSTR_H
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#define LLVM_CODEGEN_MACHINEINSTR_H
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2004-09-01 22:55:40 +00:00
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#include "llvm/ADT/iterator"
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2005-04-10 09:18:55 +00:00
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#include "llvm/Support/DataTypes.h"
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2004-02-10 21:21:17 +00:00
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#include <vector>
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2004-02-29 05:15:56 +00:00
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#include <cassert>
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2003-06-11 14:01:36 +00:00
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2003-11-11 22:41:34 +00:00
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namespace llvm {
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2002-10-28 02:29:46 +00:00
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class Value;
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class Function;
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2002-10-29 23:18:23 +00:00
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class MachineBasicBlock;
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class TargetMachine;
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class GlobalValue;
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2004-10-27 16:14:51 +00:00
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template <typename T> struct ilist_traits;
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template <typename T> struct ilist;
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2004-02-12 02:27:10 +00:00
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2004-02-12 18:49:07 +00:00
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typedef short MachineOpCode;
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2001-07-28 04:06:37 +00:00
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2003-06-03 15:42:53 +00:00
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//===----------------------------------------------------------------------===//
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2005-04-21 20:39:54 +00:00
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// class MachineOperand
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//
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// Representation of each machine instruction operand.
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//
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2003-01-13 00:18:17 +00:00
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struct MachineOperand {
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private:
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// Bit fields of the flags variable used for different operand properties
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enum {
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DEFFLAG = 0x01, // this is a def of the operand
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USEFLAG = 0x02, // this is a use of the operand
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};
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public:
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// UseType - This enum describes how the machine operand is used by
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// the instruction. Note that the MachineInstr/Operator class
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// currently uses bool arguments to represent this information
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// instead of an enum. Eventually this should change over to use
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// this _easier to read_ representation instead.
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//
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enum UseType {
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Use = USEFLAG, /// only read
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Def = DEFFLAG, /// only written
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UseAndDef = Use | Def /// read AND written
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};
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2001-07-21 12:39:03 +00:00
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enum MachineOperandType {
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2006-05-04 18:05:43 +00:00
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MO_Register, // Register operand.
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2006-05-04 17:21:20 +00:00
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MO_Immediate, // Immediate Operand
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MO_MachineBasicBlock, // MachineBasicBlock reference
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MO_FrameIndex, // Abstract Stack Frame Index
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MO_ConstantPoolIndex, // Address of indexed Constant in Constant Pool
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2006-04-22 18:53:45 +00:00
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MO_JumpTableIndex, // Address of indexed Jump Table for switch
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MO_ExternalSymbol, // Name of external global symbol
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2006-02-22 16:23:43 +00:00
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MO_GlobalAddress // Address of a global value
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2001-07-21 12:39:03 +00:00
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};
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2001-07-28 04:06:37 +00:00
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private:
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union {
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2006-05-04 17:02:51 +00:00
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GlobalValue *GV; // LLVM global for MO_GlobalAddress.
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2005-04-22 03:46:24 +00:00
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int64_t immedVal; // Constant value for an explicit constant
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2002-12-15 08:01:02 +00:00
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MachineBasicBlock *MBB; // For MO_MachineBasicBlock type
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2004-11-19 20:46:15 +00:00
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const char *SymbolName; // For MO_ExternalSymbol type
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2004-03-03 19:07:27 +00:00
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} contents;
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2001-08-07 20:14:30 +00:00
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2002-10-22 00:15:13 +00:00
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char flags; // see bit field definitions above
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2002-12-15 08:01:02 +00:00
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MachineOperandType opType:8; // Pack into 8 bits efficiently after flags.
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2004-10-15 04:38:41 +00:00
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union {
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2006-05-04 17:02:51 +00:00
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int regNum; // register number for an explicit register
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int offset; // Offset to address of global or external, only
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// valid for MO_GlobalAddress, MO_ExternalSym
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// and MO_ConstantPoolIndex
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2004-10-15 04:38:41 +00:00
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} extra;
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2006-05-04 17:02:51 +00:00
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void zeroContents() {
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contents.immedVal = 0;
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extra.offset = 0;
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2004-03-03 19:07:27 +00:00
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}
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2006-05-04 18:05:43 +00:00
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MachineOperand(int64_t ImmVal) : flags(0), opType(MO_Immediate) {
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2004-03-04 18:02:07 +00:00
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contents.immedVal = ImmVal;
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2006-05-04 18:05:43 +00:00
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extra.offset = 0;
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2004-03-03 19:07:27 +00:00
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}
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2002-10-29 19:41:18 +00:00
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2006-05-04 18:05:43 +00:00
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MachineOperand(unsigned Idx, MachineOperandType OpTy)
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: flags(0), opType(OpTy) {
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contents.immedVal = Idx;
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extra.offset = 0;
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}
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2004-02-22 19:23:26 +00:00
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MachineOperand(int Reg, MachineOperandType OpTy, UseType UseTy)
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2004-10-15 04:38:41 +00:00
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: flags(UseTy), opType(OpTy) {
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2006-05-04 17:02:51 +00:00
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zeroContents();
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2004-10-15 04:38:41 +00:00
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extra.regNum = Reg;
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2004-03-03 19:07:27 +00:00
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}
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2002-10-29 19:41:18 +00:00
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2006-05-04 01:26:39 +00:00
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MachineOperand(GlobalValue *V, int Offset = 0)
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: flags(MachineOperand::Use), opType(MachineOperand::MO_GlobalAddress) {
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2006-05-04 17:02:51 +00:00
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contents.GV = V;
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2004-10-15 04:38:41 +00:00
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extra.offset = Offset;
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2002-10-28 20:48:39 +00:00
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}
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2002-12-15 08:01:02 +00:00
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MachineOperand(MachineBasicBlock *mbb)
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2004-10-15 04:38:41 +00:00
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: flags(0), opType(MO_MachineBasicBlock) {
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2004-03-03 19:07:27 +00:00
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zeroContents ();
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contents.MBB = mbb;
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}
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2002-12-15 08:01:02 +00:00
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2006-05-04 01:15:02 +00:00
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MachineOperand(const char *SymName, int Offset)
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: flags(0), opType(MO_ExternalSymbol) {
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2004-03-03 19:07:27 +00:00
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zeroContents ();
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2004-11-19 20:46:15 +00:00
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contents.SymbolName = SymName;
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2004-10-15 04:38:41 +00:00
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extra.offset = Offset;
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2004-03-03 19:07:27 +00:00
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}
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2003-01-13 00:18:17 +00:00
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2001-07-28 04:06:37 +00:00
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public:
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2004-03-03 19:07:27 +00:00
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MachineOperand(const MachineOperand &M)
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2004-10-15 04:38:41 +00:00
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: flags(M.flags), opType(M.opType) {
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2004-03-03 19:07:27 +00:00
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zeroContents ();
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contents = M.contents;
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2004-10-15 04:38:41 +00:00
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extra = M.extra;
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2003-01-13 00:18:17 +00:00
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}
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2002-10-29 19:41:18 +00:00
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2004-11-19 20:46:15 +00:00
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~MachineOperand() {}
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2005-04-21 20:39:54 +00:00
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2003-01-13 00:18:17 +00:00
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const MachineOperand &operator=(const MachineOperand &MO) {
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2004-03-03 19:07:27 +00:00
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contents = MO.contents;
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2003-01-13 00:18:17 +00:00
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flags = MO.flags;
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opType = MO.opType;
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2004-10-15 04:38:41 +00:00
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extra = MO.extra;
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2003-01-13 00:18:17 +00:00
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return *this;
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}
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2004-02-12 04:26:49 +00:00
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/// getType - Returns the MachineOperandType for this operand.
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2005-04-21 20:39:54 +00:00
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///
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2002-10-28 04:45:29 +00:00
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MachineOperandType getType() const { return opType; }
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2002-10-28 04:24:49 +00:00
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2004-02-22 06:54:26 +00:00
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/// getUseType - Returns the MachineOperandUseType of this operand.
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///
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2004-03-03 19:07:27 +00:00
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UseType getUseType() const { return UseType(flags & (USEFLAG|DEFFLAG)); }
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2004-02-22 06:54:26 +00:00
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2004-03-03 19:07:27 +00:00
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/// Accessors that tell you what kind of MachineOperand you're looking at.
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///
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2006-05-04 18:05:43 +00:00
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bool isRegister() const { return opType == MO_Register; }
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2006-05-04 17:21:20 +00:00
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bool isImmediate() const { return opType == MO_Immediate; }
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2006-05-04 17:56:20 +00:00
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bool isMachineBasicBlock() const { return opType == MO_MachineBasicBlock; }
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2002-12-25 05:00:49 +00:00
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bool isFrameIndex() const { return opType == MO_FrameIndex; }
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2003-01-13 00:18:17 +00:00
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bool isConstantPoolIndex() const { return opType == MO_ConstantPoolIndex; }
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2006-04-22 18:53:45 +00:00
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bool isJumpTableIndex() const { return opType == MO_JumpTableIndex; }
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2003-01-13 00:18:17 +00:00
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bool isGlobalAddress() const { return opType == MO_GlobalAddress; }
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bool isExternalSymbol() const { return opType == MO_ExternalSymbol; }
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2002-11-22 22:40:52 +00:00
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2005-04-10 09:18:55 +00:00
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int64_t getImmedValue() const {
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2004-03-03 19:07:27 +00:00
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assert(isImmediate() && "Wrong MachineOperand accessor");
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return contents.immedVal;
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}
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2002-12-15 08:01:02 +00:00
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MachineBasicBlock *getMachineBasicBlock() const {
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2004-03-03 19:07:27 +00:00
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assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
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return contents.MBB;
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}
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2004-07-31 01:59:11 +00:00
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void setMachineBasicBlock(MachineBasicBlock *MBB) {
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assert(isMachineBasicBlock() && "Wrong MachineOperand accessor");
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contents.MBB = MBB;
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}
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2004-03-03 19:07:27 +00:00
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int getFrameIndex() const {
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assert(isFrameIndex() && "Wrong MachineOperand accessor");
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2005-04-11 03:38:28 +00:00
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return (int)contents.immedVal;
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2002-12-15 08:01:02 +00:00
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}
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2003-01-13 00:18:17 +00:00
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unsigned getConstantPoolIndex() const {
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2004-03-03 19:07:27 +00:00
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assert(isConstantPoolIndex() && "Wrong MachineOperand accessor");
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2005-04-11 03:38:28 +00:00
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return (unsigned)contents.immedVal;
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2003-01-13 00:18:17 +00:00
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}
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2006-04-22 18:53:45 +00:00
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unsigned getJumpTableIndex() const {
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assert(isJumpTableIndex() && "Wrong MachineOperand accessor");
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return (unsigned)contents.immedVal;
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}
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2003-01-13 00:18:17 +00:00
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GlobalValue *getGlobal() const {
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2004-03-03 19:07:27 +00:00
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assert(isGlobalAddress() && "Wrong MachineOperand accessor");
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2006-05-04 17:02:51 +00:00
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return contents.GV;
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2003-01-13 00:18:17 +00:00
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}
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2004-10-15 04:38:41 +00:00
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int getOffset() const {
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2006-02-25 09:54:52 +00:00
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assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex()) &&
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2004-10-15 04:38:41 +00:00
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"Wrong MachineOperand accessor");
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return extra.offset;
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}
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2004-11-19 20:46:15 +00:00
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const char *getSymbolName() const {
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2004-03-03 19:07:27 +00:00
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assert(isExternalSymbol() && "Wrong MachineOperand accessor");
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2004-11-19 20:46:15 +00:00
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return contents.SymbolName;
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2003-01-13 00:18:17 +00:00
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}
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2002-12-15 08:01:02 +00:00
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2004-03-03 19:07:27 +00:00
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/// MachineOperand methods for testing that work on any kind of
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/// MachineOperand...
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///
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2004-02-04 22:17:40 +00:00
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bool isUse () const { return flags & USEFLAG; }
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MachineOperand& setUse () { flags |= USEFLAG; return *this; }
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2004-03-03 19:07:27 +00:00
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bool isDef () const { return flags & DEFFLAG; }
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2004-02-04 22:17:40 +00:00
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MachineOperand& setDef () { flags |= DEFFLAG; return *this; }
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2002-09-16 15:58:54 +00:00
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2006-05-04 17:56:20 +00:00
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/// getReg - Returns the register number.
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2004-03-03 19:07:27 +00:00
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///
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2004-02-13 21:01:20 +00:00
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unsigned getReg() const {
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2006-05-04 17:56:20 +00:00
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assert(isRegister() && "This is not a register operand!");
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2004-10-15 04:38:41 +00:00
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return extra.regNum;
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2002-07-08 22:38:45 +00:00
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}
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2002-09-16 15:58:54 +00:00
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2006-05-04 01:26:39 +00:00
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/// MachineOperand mutators.
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2004-03-03 19:07:27 +00:00
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///
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2003-12-01 05:30:29 +00:00
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void setReg(unsigned Reg) {
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2006-05-04 17:56:20 +00:00
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assert(isRegister() && "This is not a register operand!");
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2004-10-15 04:38:41 +00:00
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extra.regNum = Reg;
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2005-04-21 20:39:54 +00:00
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}
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2004-06-25 00:13:11 +00:00
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2006-05-04 17:52:23 +00:00
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void setImmedValue(int64_t immVal) {
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2004-03-03 19:07:27 +00:00
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assert(isImmediate() && "Wrong MachineOperand mutator");
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contents.immedVal = immVal;
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}
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2003-05-31 07:43:01 +00:00
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2004-10-15 04:38:41 +00:00
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void setOffset(int Offset) {
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2006-04-22 18:53:45 +00:00
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assert((isGlobalAddress() || isExternalSymbol() || isConstantPoolIndex() ||
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isJumpTableIndex()) &&
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2004-10-15 04:38:41 +00:00
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"Wrong MachineOperand accessor");
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extra.offset = Offset;
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}
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2006-05-04 17:52:23 +00:00
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/// ChangeToImmediate - Replace this operand with a new immediate operand of
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/// the specified value. If an operand is known to be an immediate already,
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/// the setImmedValue method should be used.
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void ChangeToImmediate(int64_t ImmVal) {
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opType = MO_Immediate;
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contents.immedVal = ImmVal;
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}
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/// ChangeToRegister - Replace this operand with a new register operand of
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/// the specified value. If an operand is known to be an register already,
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/// the setReg method should be used.
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void ChangeToRegister(unsigned Reg) {
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2006-05-04 18:05:43 +00:00
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opType = MO_Register;
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2006-05-04 17:52:23 +00:00
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extra.regNum = Reg;
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}
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2004-10-15 04:38:41 +00:00
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2002-01-20 22:54:45 +00:00
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friend std::ostream& operator<<(std::ostream& os, const MachineOperand& mop);
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2001-08-09 19:18:33 +00:00
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2002-07-10 21:50:57 +00:00
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friend class MachineInstr;
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2001-07-21 12:39:03 +00:00
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};
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2003-06-03 15:42:53 +00:00
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//===----------------------------------------------------------------------===//
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2005-04-21 20:39:54 +00:00
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// class MachineInstr
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//
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2001-07-21 12:39:03 +00:00
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// Purpose:
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// Representation of each machine instruction.
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2005-04-21 20:39:54 +00:00
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//
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2001-07-21 12:39:03 +00:00
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// MachineOpCode must be an enum, defined separately for each target.
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// E.g., It is defined in SparcInstructionSelection.h for the SPARC.
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2005-04-21 20:39:54 +00:00
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//
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2001-10-11 04:23:19 +00:00
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// There are 2 kinds of operands:
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2005-04-21 20:39:54 +00:00
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//
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// (1) Explicit operands of the machine instruction in vector operands[]
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//
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2001-10-11 04:23:19 +00:00
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// (2) "Implicit operands" are values implicitly used or defined by the
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// machine instruction, such as arguments to a CALL, return value of
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// a CALL (if any), and return value of a RETURN.
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2003-06-03 15:42:53 +00:00
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//===----------------------------------------------------------------------===//
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2001-07-21 12:39:03 +00:00
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2003-06-02 22:07:37 +00:00
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class MachineInstr {
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2004-03-03 19:07:27 +00:00
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short Opcode; // the opcode
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2002-10-21 13:24:50 +00:00
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std::vector<MachineOperand> operands; // the operands
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2004-02-12 02:27:10 +00:00
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MachineInstr* prev, *next; // links for our intrusive list
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2004-02-12 18:49:07 +00:00
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MachineBasicBlock* parent; // pointer to the owning basic block
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2004-03-03 19:07:27 +00:00
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2002-10-28 20:48:39 +00:00
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// OperandComplete - Return true if it's illegal to add a new operand
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bool OperandsComplete() const;
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2002-10-29 19:41:18 +00:00
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2004-05-23 19:35:12 +00:00
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//Constructor used by clone() method
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MachineInstr(const MachineInstr&);
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2003-06-02 22:07:37 +00:00
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void operator=(const MachineInstr&); // DO NOT IMPLEMENT
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2004-02-12 02:27:10 +00:00
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// Intrusive list support
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//
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2004-10-27 16:14:51 +00:00
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friend struct ilist_traits<MachineInstr>;
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2004-02-12 02:27:10 +00:00
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2001-07-21 12:39:03 +00:00
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public:
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2002-10-28 20:48:39 +00:00
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/// MachineInstr ctor - This constructor only does a _reserve_ of the
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/// operands, not a resize for them. It is expected that if you use this that
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/// you call add* methods below to fill up the operands, instead of the Set
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2002-10-29 23:18:23 +00:00
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/// methods. Eventually, the "resizing" ctors will be phased out.
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2002-10-28 20:48:39 +00:00
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///
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2004-02-12 18:49:07 +00:00
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MachineInstr(short Opcode, unsigned numOperands, bool XX, bool YY);
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2002-09-20 00:47:49 +00:00
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2002-10-29 23:18:23 +00:00
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/// MachineInstr ctor - Work exactly the same as the ctor above, except that
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/// the MachineInstr is created and added to the end of the specified basic
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/// block.
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///
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2004-02-12 18:49:07 +00:00
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MachineInstr(MachineBasicBlock *MBB, short Opcode, unsigned numOps);
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2005-04-21 20:39:54 +00:00
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2004-02-16 07:17:43 +00:00
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~MachineInstr();
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2004-02-12 18:49:07 +00:00
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const MachineBasicBlock* getParent() const { return parent; }
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MachineBasicBlock* getParent() { return parent; }
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2004-03-03 19:07:27 +00:00
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/// getOpcode - Returns the opcode of this MachineInstr.
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2004-02-12 01:34:03 +00:00
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///
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2004-02-12 16:09:53 +00:00
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const int getOpcode() const { return Opcode; }
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2003-05-31 07:43:01 +00:00
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2004-02-12 01:34:03 +00:00
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/// Access to explicit operands of the instruction.
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///
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2006-04-20 18:09:13 +00:00
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unsigned getNumOperands() const { return operands.size(); }
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2005-04-21 20:39:54 +00:00
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2002-10-28 04:24:49 +00:00
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const MachineOperand& getOperand(unsigned i) const {
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2002-10-29 19:41:18 +00:00
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assert(i < getNumOperands() && "getOperand() out of range!");
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2002-10-28 04:24:49 +00:00
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return operands[i];
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}
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MachineOperand& getOperand(unsigned i) {
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2002-10-29 19:41:18 +00:00
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assert(i < getNumOperands() && "getOperand() out of range!");
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2002-10-28 04:24:49 +00:00
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return operands[i];
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}
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2002-10-28 04:30:20 +00:00
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2002-10-29 19:41:18 +00:00
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2004-05-23 20:58:02 +00:00
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/// clone - Create a copy of 'this' instruction that is identical in
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/// all ways except the the instruction has no parent, prev, or next.
|
2004-05-24 03:14:18 +00:00
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MachineInstr* clone() const;
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2006-04-17 21:35:08 +00:00
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/// removeFromParent - This method unlinks 'this' from the containing basic
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/// block, and returns it, but does not delete it.
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MachineInstr *removeFromParent();
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/// eraseFromParent - This method unlinks 'this' from the containing basic
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/// block and deletes it.
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void eraseFromParent() {
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|
delete removeFromParent();
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}
|
2004-05-23 19:35:12 +00:00
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|
2001-10-11 04:23:19 +00:00
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//
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// Debugging support
|
2002-10-30 00:46:48 +00:00
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//
|
2004-06-25 00:13:11 +00:00
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|
void print(std::ostream &OS, const TargetMachine *TM) const;
|
2002-10-28 04:24:49 +00:00
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|
|
void dump() const;
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|
friend std::ostream& operator<<(std::ostream& os, const MachineInstr& minstr);
|
2002-02-05 06:02:59 +00:00
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|
|
2002-10-28 20:48:39 +00:00
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|
//===--------------------------------------------------------------------===//
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|
|
// Accessors to add operands when building up machine instructions
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//
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|
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|
|
2002-11-17 22:33:54 +00:00
|
|
|
/// addRegOperand - Add a symbolic virtual register reference...
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|
///
|
2004-02-22 19:23:26 +00:00
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|
|
void addRegOperand(int reg,
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|
MachineOperand::UseType UTy = MachineOperand::Use) {
|
2002-11-17 22:33:54 +00:00
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|
|
assert(!OperandsComplete() &&
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|
|
|
"Trying to add an operand to a machine instr that is already done!");
|
2004-02-22 19:23:26 +00:00
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|
|
operands.push_back(
|
2006-05-04 18:05:43 +00:00
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|
|
MachineOperand(reg, MachineOperand::MO_Register, UTy));
|
2002-11-17 22:33:54 +00:00
|
|
|
}
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|
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|
|
2006-05-04 18:05:43 +00:00
|
|
|
/// addImmOperand - Add a zero extended constant argument to the
|
2002-10-28 20:48:39 +00:00
|
|
|
/// machine instruction.
|
|
|
|
///
|
2006-05-04 18:05:43 +00:00
|
|
|
void addImmOperand(int64_t Val) {
|
2005-04-10 09:18:55 +00:00
|
|
|
assert(!OperandsComplete() &&
|
|
|
|
"Trying to add an operand to a machine instr that is already done!");
|
2006-05-04 18:05:43 +00:00
|
|
|
operands.push_back(MachineOperand(Val));
|
2002-10-28 20:48:39 +00:00
|
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|
}
|
|
|
|
|
2002-12-15 08:01:02 +00:00
|
|
|
void addMachineBasicBlockOperand(MachineBasicBlock *MBB) {
|
|
|
|
assert(!OperandsComplete() &&
|
|
|
|
"Trying to add an operand to a machine instr that is already done!");
|
|
|
|
operands.push_back(MachineOperand(MBB));
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|
|
|
}
|
2002-10-28 20:48:39 +00:00
|
|
|
|
2002-12-25 05:00:49 +00:00
|
|
|
/// addFrameIndexOperand - Add an abstract frame index to the instruction
|
|
|
|
///
|
|
|
|
void addFrameIndexOperand(unsigned Idx) {
|
|
|
|
assert(!OperandsComplete() &&
|
|
|
|
"Trying to add an operand to a machine instr that is already done!");
|
|
|
|
operands.push_back(MachineOperand(Idx, MachineOperand::MO_FrameIndex));
|
|
|
|
}
|
|
|
|
|
2003-01-13 00:18:17 +00:00
|
|
|
/// addConstantPoolndexOperand - Add a constant pool object index to the
|
|
|
|
/// instruction.
|
|
|
|
///
|
2006-02-25 09:54:52 +00:00
|
|
|
void addConstantPoolIndexOperand(unsigned I, int Offset=0) {
|
2003-01-13 00:18:17 +00:00
|
|
|
assert(!OperandsComplete() &&
|
|
|
|
"Trying to add an operand to a machine instr that is already done!");
|
|
|
|
operands.push_back(MachineOperand(I, MachineOperand::MO_ConstantPoolIndex));
|
|
|
|
}
|
|
|
|
|
2006-04-22 18:53:45 +00:00
|
|
|
/// addJumpTableIndexOperand - Add a jump table object index to the
|
|
|
|
/// instruction.
|
|
|
|
///
|
|
|
|
void addJumpTableIndexOperand(unsigned I) {
|
|
|
|
assert(!OperandsComplete() &&
|
|
|
|
"Trying to add an operand to a machine instr that is already done!");
|
|
|
|
operands.push_back(MachineOperand(I, MachineOperand::MO_JumpTableIndex));
|
|
|
|
}
|
|
|
|
|
2006-05-04 01:15:02 +00:00
|
|
|
void addGlobalAddressOperand(GlobalValue *GV, int Offset) {
|
2003-01-13 00:18:17 +00:00
|
|
|
assert(!OperandsComplete() &&
|
|
|
|
"Trying to add an operand to a machine instr that is already done!");
|
2006-05-04 01:26:39 +00:00
|
|
|
operands.push_back(MachineOperand(GV, Offset));
|
2003-01-13 00:18:17 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/// addExternalSymbolOperand - Add an external symbol operand to this instr
|
|
|
|
///
|
2006-05-04 01:15:02 +00:00
|
|
|
void addExternalSymbolOperand(const char *SymName) {
|
|
|
|
operands.push_back(MachineOperand(SymName, 0));
|
2003-01-13 00:18:17 +00:00
|
|
|
}
|
2002-12-28 20:05:44 +00:00
|
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
// Accessors used to modify instructions in place.
|
|
|
|
//
|
|
|
|
|
2003-01-13 00:18:17 +00:00
|
|
|
/// setOpcode - Replace the opcode of the current instruction with a new one.
|
|
|
|
///
|
2004-02-12 16:09:53 +00:00
|
|
|
void setOpcode(unsigned Op) { Opcode = Op; }
|
2003-01-13 00:18:17 +00:00
|
|
|
|
|
|
|
/// RemoveOperand - Erase an operand from an instruction, leaving it with one
|
|
|
|
/// fewer operand than it started with.
|
|
|
|
///
|
|
|
|
void RemoveOperand(unsigned i) {
|
|
|
|
operands.erase(operands.begin()+i);
|
|
|
|
}
|
2001-10-11 04:23:19 +00:00
|
|
|
};
|
2001-07-21 12:39:03 +00:00
|
|
|
|
2003-06-03 15:42:53 +00:00
|
|
|
//===----------------------------------------------------------------------===//
|
2001-10-10 20:50:20 +00:00
|
|
|
// Debugging Support
|
|
|
|
|
2003-06-03 15:42:53 +00:00
|
|
|
std::ostream& operator<<(std::ostream &OS, const MachineInstr &MI);
|
|
|
|
std::ostream& operator<<(std::ostream &OS, const MachineOperand &MO);
|
2001-08-28 23:11:46 +00:00
|
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|
|
2003-11-11 22:41:34 +00:00
|
|
|
} // End llvm namespace
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|
2001-07-21 12:39:03 +00:00
|
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|
#endif
|