MCExpr.h revision 32a006e606742b1c5401e49607e33717bb5441f0
128c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar//===- MCExpr.h - Assembly Level Expressions --------------------*- C++ -*-===// 2fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar// 3fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar// The LLVM Compiler Infrastructure 4fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar// 5fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar// This file is distributed under the University of Illinois Open Source 6fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar// License. See LICENSE.TXT for details. 7fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar// 8fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar//===----------------------------------------------------------------------===// 9fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 1028c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar#ifndef LLVM_MC_MCEXPR_H 1128c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar#define LLVM_MC_MCEXPR_H 12fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 13fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar#include "llvm/Support/Casting.h" 141f6efa3996dd1929fbc129203ce5009b620e6969Michael J. Spencer#include "llvm/Support/DataTypes.h" 15fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 16fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarnamespace llvm { 17684c593d05db0bd277268fc9d8c05bce138c745aChris Lattnerclass MCAsmInfo; 18f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbarclass MCAsmLayout; 1932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolaclass MCAssembler; 20fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarclass MCContext; 21fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarclass MCSymbol; 2215d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbarclass MCValue; 2387392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbarclass raw_ostream; 244f3e7aa154577c86791908e73a9fec075fdea0baChris Lattnerclass StringRef; 25fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2628c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCExpr - Base class for the full range of assembler expressions which are 279643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar/// needed for parsing. 2828c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCExpr { 29fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 3028c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar enum ExprKind { 311aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Binary, ///< Binary expressions. 321aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Constant, ///< Constant expressions. 331aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar SymbolRef, ///< References to labels and assigned expressions. 345d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner Unary, ///< Unary expressions. 355d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner Target ///< Target specific expression. 36fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 379643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 38fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 3928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar ExprKind Kind; 409643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 419643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCExpr(const MCExpr&); // DO NOT IMPLEMENT 429643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar void operator=(const MCExpr&); // DO NOT IMPLEMENT 439643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 44fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprotected: 45159f527cb269002de85e671023b9231a2c8792e9Dan Gohman explicit MCExpr(ExprKind _Kind) : Kind(_Kind) {} 469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 4732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola bool EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm, 4832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCAsmLayout *Layout, 49f230df9af4012f9510de664b6d62b128e26a5861Rafael Espindola bool InSet) const; 50fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 519643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 529643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 53fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 5428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar ExprKind getKind() const { return Kind; } 55fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 569643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 5787392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @name Utility Methods 5887392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @{ 5987392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar 608cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner void print(raw_ostream &OS) const; 6187392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar void dump() const; 6287392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar 6387392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @} 649643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Expression Evaluation 659643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 669643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 67fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// EvaluateAsAbsolute - Try to evaluate the expression to an absolute value. 68fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// 6915d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @param Res - The absolute value, if evaluation succeeds. 70f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// @param Layout - The assembler layout object to use for evaluating symbol 71f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// values. If not given, then only non-symbolic expressions will be 72f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// evaluated. 73fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// @result - True on success. 7432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res) const; 7532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm) const; 7632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAsmLayout *Layout) const; 7732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm, 7832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCAsmLayout *Layout) const; 79fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 8015d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// EvaluateAsRelocatable - Try to evaluate the expression to a relocatable 811aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// value, i.e. an expression of the fixed form (a - b + constant). 8215d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// 8315d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @param Res - The relocatable value, if evaluation succeeds. 84f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// @param Layout - The assembler layout object to use for evaluating values. 8515d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @result - True on success. 86a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout *Layout = 0) const; 8715d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar 889643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 899643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 9028c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCExpr *) { return true; } 91fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 92a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar 938cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattnerinline raw_ostream &operator<<(raw_ostream &OS, const MCExpr &E) { 948cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner E.print(OS); 958cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner return OS; 968cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner} 97fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 9828c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar//// MCConstantExpr - Represent a constant integer expression. 9928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCConstantExpr : public MCExpr { 100fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar int64_t Value; 101fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 102159f527cb269002de85e671023b9231a2c8792e9Dan Gohman explicit MCConstantExpr(int64_t _Value) 10328c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Constant), Value(_Value) {} 1049643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1059643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 1069643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 1079643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1089643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1099643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCConstantExpr *Create(int64_t Value, MCContext &Ctx); 1109643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1119643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1129643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 1139643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1149643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 115fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar int64_t getValue() const { return Value; } 116fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 1179643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1189643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1199643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 1209643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Constant; 121fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 12228c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCConstantExpr *) { return true; } 123fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 124fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 12528c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCSymbolRefExpr - Represent a reference to a symbol from inside an 1261aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// expression. 1271aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// 1281aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// A symbol reference in an expression may be a use of a label, a use of an 1291aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// assembler variable (defined constant), or constitute an implicit definition 1301aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// of the symbol as external. 13128c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCSymbolRefExpr : public MCExpr { 1324e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbarpublic: 1334e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar enum VariantKind { 1344e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_None, 1354e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_Invalid, 1364e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1374e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOT, 1384e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTOFF, 1394e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTPCREL, 1404e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTTPOFF, 1414e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_INDNTPOFF, 1424e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_NTPOFF, 143a0a2f8734cdfc19d44201b791a969bcdda96bb70Rafael Espindola VK_GOTNTPOFF, 1444e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_PLT, 1454e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_TLSGD, 146b4d1721eff7b43577e5f2e53f885973fb6c43683Rafael Espindola VK_TLSLD, 147a264f72d3fb9dec1427480fcf17ef3c746ea723aRafael Espindola VK_TLSLDM, 14818c1021ec108722506125926087b1e5fcfb28046Rafael Espindola VK_TPOFF, 1490cf15d61b7e3bf53f5a99f58ada37b93bc039559Rafael Espindola VK_DTPOFF, 1506135a96792ca05f6366e5dbaee6208e84589c47fChris Lattner VK_TLVP, // Mach-O thread local variable relocation 1512c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_HI16, // The R_ARM_MOVT_ABS relocation (:upper16: in the .s file) 1522c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_LO16, // The R_ARM_MOVW_ABS_NC relocation (:lower16: in the .w file) 1532c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // FIXME: We'd really like to use the generic Kinds listed above for these. 1542c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_PLT, // ARM-style PLT references. i.e., (PLT) instead of @PLT 1552c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_TLSGD, // ditto for TLSGD, GOT, GOTOFF, TPOFF and GOTTPOFF 1562c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOT, 1572c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOTOFF, 1582c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_TPOFF, 1592c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOTTPOFF, 1606135a96792ca05f6366e5dbaee6208e84589c47fChris Lattner 1611e61e69d401045c54b15815f15a0fdb3ca56a9b5Chris Lattner VK_PPC_TOC, 1621e61e69d401045c54b15815f15a0fdb3ca56a9b5Chris Lattner VK_PPC_HA16, // ha16(symbol) 1631e61e69d401045c54b15815f15a0fdb3ca56a9b5Chris Lattner VK_PPC_LO16 // lo16(symbol) 1644e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar }; 1654e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1664e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbarprivate: 1674e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// The symbol being referenced. 1689643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCSymbol *Symbol; 169fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 1704e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// The symbol reference modifier. 1714e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar const VariantKind Kind; 1724e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1734e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar explicit MCSymbolRefExpr(const MCSymbol *_Symbol, VariantKind _Kind) 1744e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar : MCExpr(MCExpr::SymbolRef), Symbol(_Symbol), Kind(_Kind) {} 175fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 1769643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 1779643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 1789643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1799643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1804e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(const MCSymbol *Symbol, MCContext &Ctx) { 1814e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar return MCSymbolRefExpr::Create(Symbol, VK_None, Ctx); 1824e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar } 1834e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1844e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(const MCSymbol *Symbol, VariantKind Kind, 1854e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar MCContext &Ctx); 1864e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(StringRef Name, VariantKind Kind, 1874e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar MCContext &Ctx); 18898cdab53c302a2d6686fa428c0e896b1fb195311Chris Lattner 1899643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1909643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 1919643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1929643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1939643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCSymbol &getSymbol() const { return *Symbol; } 1949643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1954e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VariantKind getKind() const { return Kind; } 1964e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1974e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @} 1984e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @name Static Utility Functions 1994e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @{ 2004e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2014e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static StringRef getVariantKindName(VariantKind Kind); 2024e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2034e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static VariantKind getVariantKindForName(StringRef Name); 2044e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2059643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2069643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2079643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 2089643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::SymbolRef; 209fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 21028c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCSymbolRefExpr *) { return true; } 211fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 212fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 21328c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCUnaryExpr - Unary assembler expressions. 21428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCUnaryExpr : public MCExpr { 215fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 216fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar enum Opcode { 2171aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LNot, ///< Logical negation. 2181aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Minus, ///< Unary minus. 2191aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Not, ///< Bitwise negation. 2201aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Plus ///< Unary plus. 221fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 222fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 223fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 224fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode Op; 2259643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *Expr; 226fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2279643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCUnaryExpr(Opcode _Op, const MCExpr *_Expr) 22828c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Unary), Op(_Op), Expr(_Expr) {} 2299643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2309643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 2319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 2329643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 2339643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2349643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *Create(Opcode Op, const MCExpr *Expr, 2359643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx); 2369643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateLNot(const MCExpr *Expr, MCContext &Ctx) { 2379643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LNot, Expr, Ctx); 2389643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2399643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateMinus(const MCExpr *Expr, MCContext &Ctx) { 2409643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Minus, Expr, Ctx); 2419643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2429643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateNot(const MCExpr *Expr, MCContext &Ctx) { 2439643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Not, Expr, Ctx); 244fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 2459643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreatePlus(const MCExpr *Expr, MCContext &Ctx) { 2469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Plus, Expr, Ctx); 2479643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2489643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2499643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2509643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 2519643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 252fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2539643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getOpcode - Get the kind of this unary expression. 254fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode getOpcode() const { return Op; } 255fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2569643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getSubExpr - Get the child of this unary expression. 2579643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getSubExpr() const { return Expr; } 258fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2599643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2609643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2619643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 2629643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Unary; 263fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 26428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCUnaryExpr *) { return true; } 265fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 266fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 26728c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCBinaryExpr - Binary assembler expressions. 26828c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCBinaryExpr : public MCExpr { 269fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 270fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar enum Opcode { 2711aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Add, ///< Addition. 2721aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar And, ///< Bitwise and. 273036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Div, ///< Signed division. 2741aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar EQ, ///< Equality comparison. 275036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman GT, ///< Signed greater than comparison (result is either 0 or some 276036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< target-specific non-zero value) 277036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman GTE, ///< Signed greater than or equal comparison (result is either 0 or 278036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 2791aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LAnd, ///< Logical and. 2801aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LOr, ///< Logical or. 281036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman LT, ///< Signed less than comparison (result is either 0 or 282036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 283036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman LTE, ///< Signed less than or equal comparison (result is either 0 or 284036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 285036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Mod, ///< Signed remainder. 2861aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Mul, ///< Multiplication. 2871aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar NE, ///< Inequality comparison. 2881aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Or, ///< Bitwise or. 289036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Shl, ///< Shift left. 290036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Shr, ///< Shift right (arithmetic or logical, depending on target) 2911aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Sub, ///< Subtraction. 2921aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Xor ///< Bitwise exclusive or. 293fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 294fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 295fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 296fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode Op; 2979643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *LHS, *RHS; 298fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2999643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCBinaryExpr(Opcode _Op, const MCExpr *_LHS, const MCExpr *_RHS) 30028c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Binary), Op(_Op), LHS(_LHS), RHS(_RHS) {} 3019643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3029643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 3039643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 3049643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 3059643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3069643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *Create(Opcode Op, const MCExpr *LHS, 3079643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *RHS, MCContext &Ctx); 3089643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateAdd(const MCExpr *LHS, const MCExpr *RHS, 3099643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3109643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Add, LHS, RHS, Ctx); 3119643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3129643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateAnd(const MCExpr *LHS, const MCExpr *RHS, 3139643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3149643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(And, LHS, RHS, Ctx); 3159643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3169643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateDiv(const MCExpr *LHS, const MCExpr *RHS, 3179643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3189643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Div, LHS, RHS, Ctx); 3199643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3209643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateEQ(const MCExpr *LHS, const MCExpr *RHS, 3219643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3229643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(EQ, LHS, RHS, Ctx); 3239643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3249643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateGT(const MCExpr *LHS, const MCExpr *RHS, 3259643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3269643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(GT, LHS, RHS, Ctx); 3279643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3289643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateGTE(const MCExpr *LHS, const MCExpr *RHS, 3299643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3309643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(GTE, LHS, RHS, Ctx); 3319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3329643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLAnd(const MCExpr *LHS, const MCExpr *RHS, 3339643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3349643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LAnd, LHS, RHS, Ctx); 335fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 3369643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLOr(const MCExpr *LHS, const MCExpr *RHS, 3379643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3389643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LOr, LHS, RHS, Ctx); 3399643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3409643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLT(const MCExpr *LHS, const MCExpr *RHS, 3419643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3429643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LT, LHS, RHS, Ctx); 3439643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3449643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLTE(const MCExpr *LHS, const MCExpr *RHS, 3459643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LTE, LHS, RHS, Ctx); 3479643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3489643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateMod(const MCExpr *LHS, const MCExpr *RHS, 3499643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3509643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Mod, LHS, RHS, Ctx); 3519643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3529643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateMul(const MCExpr *LHS, const MCExpr *RHS, 3539643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3549643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Mul, LHS, RHS, Ctx); 3559643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3569643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateNE(const MCExpr *LHS, const MCExpr *RHS, 3579643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3589643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(NE, LHS, RHS, Ctx); 3599643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3609643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateOr(const MCExpr *LHS, const MCExpr *RHS, 3619643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3629643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Or, LHS, RHS, Ctx); 3639643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3649643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateShl(const MCExpr *LHS, const MCExpr *RHS, 3659643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3669643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Shl, LHS, RHS, Ctx); 3679643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3689643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateShr(const MCExpr *LHS, const MCExpr *RHS, 3699643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3709643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Shr, LHS, RHS, Ctx); 3719643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3729643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateSub(const MCExpr *LHS, const MCExpr *RHS, 3739643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3749643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Sub, LHS, RHS, Ctx); 3759643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3769643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateXor(const MCExpr *LHS, const MCExpr *RHS, 3779643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3789643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Xor, LHS, RHS, Ctx); 3799643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3809643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3819643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 3829643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 3839643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 384fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 3859643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getOpcode - Get the kind of this binary expression. 386fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode getOpcode() const { return Op; } 387fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 3881aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// getLHS - Get the left-hand side expression of the binary operator. 3899643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getLHS() const { return LHS; } 3901aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar 3911aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// getRHS - Get the right-hand side expression of the binary operator. 3929643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getRHS() const { return RHS; } 3939643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3949643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 395fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 3969643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 3979643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Binary; 398fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 39928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCBinaryExpr *) { return true; } 400fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 401fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4025d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// MCTargetExpr - This is an extension point for target-specific MCExpr 4035d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// subclasses to implement. 4045d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// 4055d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// NOTE: All subclasses are required to have trivial destructors because 4065d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// MCExprs are bump pointer allocated and not destructed. 4075d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerclass MCTargetExpr : public MCExpr { 408df9c4380ee7e60c1de5cae32685b113170b1faa2Chris Lattner virtual void Anchor(); 4095d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerprotected: 4105d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner MCTargetExpr() : MCExpr(Target) {} 411e3e7a369f20af66a96830d8bfe52668c9e2e1fa1Chris Lattner virtual ~MCTargetExpr() {} 4125d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerpublic: 413a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar 4145d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner virtual void PrintImpl(raw_ostream &OS) const = 0; 415f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar virtual bool EvaluateAsRelocatableImpl(MCValue &Res, 416a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar const MCAsmLayout *Layout) const = 0; 417a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar 4185d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner 4195d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner static bool classof(const MCExpr *E) { 4205d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner return E->getKind() == MCExpr::Target; 4215d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner } 4225d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner static bool classof(const MCTargetExpr *) { return true; } 4235d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner}; 4245d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner 425fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar} // end namespace llvm 426fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 427fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar#endif 428