MCExpr.h revision 12cfa119600418d31ceb748d077b3e6f7057a22a
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 1385f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindola#include "llvm/ADT/DenseMap.h" 14fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar#include "llvm/Support/Casting.h" 151f6efa3996dd1929fbc129203ce5009b620e6969Michael J. Spencer#include "llvm/Support/DataTypes.h" 16fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 17fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarnamespace llvm { 18f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbarclass MCAsmLayout; 1932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolaclass MCAssembler; 20fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarclass MCContext; 210eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbarclass MCSection; 2285f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindolaclass MCSectionData; 23fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarclass MCSymbol; 2415d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbarclass MCValue; 2587392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbarclass raw_ostream; 264f3e7aa154577c86791908e73a9fec075fdea0baChris Lattnerclass StringRef; 2785f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindolatypedef DenseMap<const MCSectionData*, uint64_t> SectionAddrMap; 28fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCExpr - Base class for the full range of assembler expressions which are 309643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar/// needed for parsing. 3128c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCExpr { 32fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 3328c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar enum ExprKind { 341aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Binary, ///< Binary expressions. 351aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Constant, ///< Constant expressions. 361aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar SymbolRef, ///< References to labels and assigned expressions. 375d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner Unary, ///< Unary expressions. 385d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner Target ///< Target specific expression. 39fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 409643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 41fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 4228c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar ExprKind Kind; 439643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 441f7210e808373fa92be3a2d4fa653a6f79d5088bCraig Topper MCExpr(const MCExpr&) LLVM_DELETED_FUNCTION; 451f7210e808373fa92be3a2d4fa653a6f79d5088bCraig Topper void operator=(const MCExpr&) LLVM_DELETED_FUNCTION; 469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 47d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm, 48d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola const MCAsmLayout *Layout, 4985f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindola const SectionAddrMap *Addrs) const; 50fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprotected: 51159f527cb269002de85e671023b9231a2c8792e9Dan Gohman explicit MCExpr(ExprKind _Kind) : Kind(_Kind) {} 529643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 53d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm, 54d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola const MCAsmLayout *Layout, 5585f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindola const SectionAddrMap *Addrs, 56f230df9af4012f9510de664b6d62b128e26a5861Rafael Espindola bool InSet) const; 57fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 589643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 599643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 60fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 6128c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar ExprKind getKind() const { return Kind; } 62fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 639643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 6487392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @name Utility Methods 6587392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @{ 6687392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar 678cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner void print(raw_ostream &OS) const; 6887392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar void dump() const; 6987392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar 7087392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @} 719643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Expression Evaluation 729643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 739643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 74fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// EvaluateAsAbsolute - Try to evaluate the expression to an absolute value. 75fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// 7615d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @param Res - The absolute value, if evaluation succeeds. 77f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// @param Layout - The assembler layout object to use for evaluating symbol 78f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// values. If not given, then only non-symbolic expressions will be 79f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// evaluated. 80fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// @result - True on success. 81a00b80b04c5edb08639c1c6b32e9231fd8b066f7Dmitri Gribenko bool EvaluateAsAbsolute(int64_t &Res, const MCAsmLayout &Layout, 82a00b80b04c5edb08639c1c6b32e9231fd8b066f7Dmitri Gribenko const SectionAddrMap &Addrs) const; 83d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res) const; 84d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAssembler &Asm) const; 85d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAsmLayout &Layout) const; 86fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 8715d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// EvaluateAsRelocatable - Try to evaluate the expression to a relocatable 881aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// value, i.e. an expression of the fixed form (a - b + constant). 8915d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// 9015d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @param Res - The relocatable value, if evaluation succeeds. 91f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// @param Layout - The assembler layout object to use for evaluating values. 9215d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @result - True on success. 9333a38a1b5a35acd15c867193bc2175f3d4e7b83dRafael Espindola bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout &Layout) const; 9415d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar 950eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// FindAssociatedSection - Find the "associated section" for this expression, 960eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// which is currently defined as the absolute section for constants, or 970eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// otherwise the section associated with the first defined symbol in the 980eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// expression. 990eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar const MCSection *FindAssociatedSection() const; 1000eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar 1019643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 102fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 103a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar 1048cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattnerinline raw_ostream &operator<<(raw_ostream &OS, const MCExpr &E) { 1058cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner E.print(OS); 1068cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner return OS; 1078cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner} 108fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 10928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar//// MCConstantExpr - Represent a constant integer expression. 11028c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCConstantExpr : public MCExpr { 111fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar int64_t Value; 112fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 113159f527cb269002de85e671023b9231a2c8792e9Dan Gohman explicit MCConstantExpr(int64_t _Value) 11428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Constant), Value(_Value) {} 1159643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1169643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 1179643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 1189643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1199643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1209643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCConstantExpr *Create(int64_t Value, MCContext &Ctx); 1219643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1229643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1239643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 1249643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1259643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 126fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar int64_t getValue() const { return Value; } 127fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 1289643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1299643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1309643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 1319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Constant; 132fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 133fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 134fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 13528c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCSymbolRefExpr - Represent a reference to a symbol from inside an 1361aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// expression. 1371aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// 1381aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// A symbol reference in an expression may be a use of a label, a use of an 1391aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// assembler variable (defined constant), or constitute an implicit definition 1401aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// of the symbol as external. 14128c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCSymbolRefExpr : public MCExpr { 1424e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbarpublic: 1434e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar enum VariantKind { 1444e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_None, 1454e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_Invalid, 1464e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1474e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOT, 1484e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTOFF, 1494e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTPCREL, 1504e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTTPOFF, 1514e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_INDNTPOFF, 1524e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_NTPOFF, 153a0a2f8734cdfc19d44201b791a969bcdda96bb70Rafael Espindola VK_GOTNTPOFF, 1544e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_PLT, 1554e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_TLSGD, 156b4d1721eff7b43577e5f2e53f885973fb6c43683Rafael Espindola VK_TLSLD, 157a264f72d3fb9dec1427480fcf17ef3c746ea723aRafael Espindola VK_TLSLDM, 15818c1021ec108722506125926087b1e5fcfb28046Rafael Espindola VK_TPOFF, 1590cf15d61b7e3bf53f5a99f58ada37b93bc039559Rafael Espindola VK_DTPOFF, 1606135a96792ca05f6366e5dbaee6208e84589c47fChris Lattner VK_TLVP, // Mach-O thread local variable relocation 161d4a19b6a72d19a6f90b676aac37118664b7b7a84Anton Korobeynikov VK_SECREL, 1622c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // FIXME: We'd really like to use the generic Kinds listed above for these. 1632c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_PLT, // ARM-style PLT references. i.e., (PLT) instead of @PLT 1642c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_TLSGD, // ditto for TLSGD, GOT, GOTOFF, TPOFF and GOTTPOFF 1652c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOT, 1662c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOTOFF, 1672c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_TPOFF, 1682c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOTTPOFF, 16934982576a43887e7f062ed0a3571af2cbab003f3James Molloy VK_ARM_TARGET1, 17012cfa119600418d31ceb748d077b3e6f7057a22aAnton Korobeynikov VK_ARM_TARGET2, 171c67b1a3a76ea6ff642d30610cf63595ccb661e6bBob Wilson 1729fb8b49380e7cf6ce88400ad65051e830563bc81Roman Divacky VK_PPC_TOC, // TOC base 1739fb8b49380e7cf6ce88400ad65051e830563bc81Roman Divacky VK_PPC_TOC_ENTRY, // TOC entry 174a1000742d28f33dd8dd9858e64282e7749c0bd64Roman Divacky VK_PPC_DARWIN_HA16, // ha16(symbol) 175a1000742d28f33dd8dd9858e64282e7749c0bd64Roman Divacky VK_PPC_DARWIN_LO16, // lo16(symbol) 176a1000742d28f33dd8dd9858e64282e7749c0bd64Roman Divacky VK_PPC_GAS_HA16, // symbol@ha 1773507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_PPC_GAS_LO16, // symbol@l 178fd42ed676e37c29364f53f848320b7cb706111e0Roman Divacky VK_PPC_TPREL16_HA, // symbol@tprel@ha 179fd42ed676e37c29364f53f848320b7cb706111e0Roman Divacky VK_PPC_TPREL16_LO, // symbol@tprel@l 1803507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes 1813507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GPREL, 1823507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT_CALL, 183e3d3572e282733bd7aa5ac14115ed0804174e426Bruno Cardoso Lopes VK_Mips_GOT16, 1843507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT, 1853507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_ABS_HI, 1863507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_ABS_LO, 1873507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_TLSGD, 1883faac0a78c7a70d3dcd2af102a132bb9da2d639cAkira Hatanaka VK_Mips_TLSLDM, 1893faac0a78c7a70d3dcd2af102a132bb9da2d639cAkira Hatanaka VK_Mips_DTPREL_HI, 1903faac0a78c7a70d3dcd2af102a132bb9da2d639cAkira Hatanaka VK_Mips_DTPREL_LO, 1913507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOTTPREL, 1923507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_TPREL_HI, 1933507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_TPREL_LO, 1943507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GPOFF_HI, 1953507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GPOFF_LO, 1963507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT_DISP, 1973507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT_PAGE, 198b7dd9fc678ab4b4c57d333cd9940b0e0d7952ea6Akira Hatanaka VK_Mips_GOT_OFST, 199b7dd9fc678ab4b4c57d333cd9940b0e0d7952ea6Akira Hatanaka VK_Mips_HIGHER, 200b7dd9fc678ab4b4c57d333cd9940b0e0d7952ea6Akira Hatanaka VK_Mips_HIGHEST 2014e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar }; 2024e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2034e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbarprivate: 2044e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// The symbol being referenced. 2059643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCSymbol *Symbol; 206fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2074e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// The symbol reference modifier. 2084e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar const VariantKind Kind; 2094e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2104e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar explicit MCSymbolRefExpr(const MCSymbol *_Symbol, VariantKind _Kind) 21199b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola : MCExpr(MCExpr::SymbolRef), Symbol(_Symbol), Kind(_Kind) { 21299b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola assert(Symbol); 21399b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola } 214fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2159643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 2169643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 2179643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 2189643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2194e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(const MCSymbol *Symbol, MCContext &Ctx) { 2204e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar return MCSymbolRefExpr::Create(Symbol, VK_None, Ctx); 2214e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar } 2224e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2234e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(const MCSymbol *Symbol, VariantKind Kind, 2244e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar MCContext &Ctx); 2254e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(StringRef Name, VariantKind Kind, 2264e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar MCContext &Ctx); 227c67b1a3a76ea6ff642d30610cf63595ccb661e6bBob Wilson 2289643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2299643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 2309643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 2319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2329643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCSymbol &getSymbol() const { return *Symbol; } 2339643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2344e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VariantKind getKind() const { return Kind; } 2354e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2364e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @} 2374e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @name Static Utility Functions 2384e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @{ 2394e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2404e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static StringRef getVariantKindName(VariantKind Kind); 2414e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2424e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static VariantKind getVariantKindForName(StringRef Name); 2434e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2449643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2459643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 2479643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::SymbolRef; 248fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 249fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 250fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 25128c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCUnaryExpr - Unary assembler expressions. 25228c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCUnaryExpr : public MCExpr { 253fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 254fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar enum Opcode { 2551aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LNot, ///< Logical negation. 2561aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Minus, ///< Unary minus. 2571aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Not, ///< Bitwise negation. 2581aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Plus ///< Unary plus. 259fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 260fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 261fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 262fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode Op; 2639643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *Expr; 264fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2659643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCUnaryExpr(Opcode _Op, const MCExpr *_Expr) 26628c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Unary), Op(_Op), Expr(_Expr) {} 2679643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2689643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 2699643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 2709643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 2719643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2729643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *Create(Opcode Op, const MCExpr *Expr, 2739643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx); 2749643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateLNot(const MCExpr *Expr, MCContext &Ctx) { 2759643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LNot, Expr, Ctx); 2769643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2779643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateMinus(const MCExpr *Expr, MCContext &Ctx) { 2789643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Minus, Expr, Ctx); 2799643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2809643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateNot(const MCExpr *Expr, MCContext &Ctx) { 2819643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Not, Expr, Ctx); 282fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 2839643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreatePlus(const MCExpr *Expr, MCContext &Ctx) { 2849643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Plus, Expr, Ctx); 2859643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2869643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2879643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2889643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 2899643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 290fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2919643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getOpcode - Get the kind of this unary expression. 292fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode getOpcode() const { return Op; } 293fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2949643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getSubExpr - Get the child of this unary expression. 2959643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getSubExpr() const { return Expr; } 296fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2979643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2989643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2999643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 3009643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Unary; 301fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 302fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 303fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 30428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCBinaryExpr - Binary assembler expressions. 30528c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCBinaryExpr : public MCExpr { 306fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 307fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar enum Opcode { 3081aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Add, ///< Addition. 3091aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar And, ///< Bitwise and. 310036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Div, ///< Signed division. 3111aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar EQ, ///< Equality comparison. 312036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman GT, ///< Signed greater than comparison (result is either 0 or some 313036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< target-specific non-zero value) 314036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman GTE, ///< Signed greater than or equal comparison (result is either 0 or 315036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 3161aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LAnd, ///< Logical and. 3171aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LOr, ///< Logical or. 318036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman LT, ///< Signed less than comparison (result is either 0 or 319036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 320036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman LTE, ///< Signed less than or equal comparison (result is either 0 or 321036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 322036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Mod, ///< Signed remainder. 3231aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Mul, ///< Multiplication. 3241aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar NE, ///< Inequality comparison. 3251aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Or, ///< Bitwise or. 326036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Shl, ///< Shift left. 327036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Shr, ///< Shift right (arithmetic or logical, depending on target) 3281aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Sub, ///< Subtraction. 3291aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Xor ///< Bitwise exclusive or. 330fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 331fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 332fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 333fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode Op; 3349643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *LHS, *RHS; 335fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 3369643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCBinaryExpr(Opcode _Op, const MCExpr *_LHS, const MCExpr *_RHS) 33728c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Binary), Op(_Op), LHS(_LHS), RHS(_RHS) {} 3389643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3399643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 3409643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 3419643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 3429643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3439643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *Create(Opcode Op, const MCExpr *LHS, 3449643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *RHS, MCContext &Ctx); 3459643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateAdd(const MCExpr *LHS, const MCExpr *RHS, 3469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3479643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Add, LHS, RHS, Ctx); 3489643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3499643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateAnd(const MCExpr *LHS, const MCExpr *RHS, 3509643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3519643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(And, LHS, RHS, Ctx); 3529643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3539643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateDiv(const MCExpr *LHS, const MCExpr *RHS, 3549643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3559643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Div, LHS, RHS, Ctx); 3569643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3579643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateEQ(const MCExpr *LHS, const MCExpr *RHS, 3589643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3599643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(EQ, LHS, RHS, Ctx); 3609643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3619643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateGT(const MCExpr *LHS, const MCExpr *RHS, 3629643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3639643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(GT, LHS, RHS, Ctx); 3649643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3659643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateGTE(const MCExpr *LHS, const MCExpr *RHS, 3669643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3679643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(GTE, LHS, RHS, Ctx); 3689643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3699643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLAnd(const MCExpr *LHS, const MCExpr *RHS, 3709643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3719643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LAnd, LHS, RHS, Ctx); 372fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 3739643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLOr(const MCExpr *LHS, const MCExpr *RHS, 3749643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3759643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LOr, LHS, RHS, Ctx); 3769643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3779643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLT(const MCExpr *LHS, const MCExpr *RHS, 3789643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3799643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LT, LHS, RHS, Ctx); 3809643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3819643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLTE(const MCExpr *LHS, const MCExpr *RHS, 3829643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3839643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LTE, LHS, RHS, Ctx); 3849643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3859643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateMod(const MCExpr *LHS, const MCExpr *RHS, 3869643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3879643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Mod, LHS, RHS, Ctx); 3889643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3899643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateMul(const MCExpr *LHS, const MCExpr *RHS, 3909643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3919643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Mul, LHS, RHS, Ctx); 3929643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3939643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateNE(const MCExpr *LHS, const MCExpr *RHS, 3949643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3959643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(NE, LHS, RHS, Ctx); 3969643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3979643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateOr(const MCExpr *LHS, const MCExpr *RHS, 3989643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3999643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Or, LHS, RHS, Ctx); 4009643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4019643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateShl(const MCExpr *LHS, const MCExpr *RHS, 4029643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4039643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Shl, LHS, RHS, Ctx); 4049643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4059643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateShr(const MCExpr *LHS, const MCExpr *RHS, 4069643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4079643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Shr, LHS, RHS, Ctx); 4089643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4099643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateSub(const MCExpr *LHS, const MCExpr *RHS, 4109643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4119643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Sub, LHS, RHS, Ctx); 4129643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4139643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateXor(const MCExpr *LHS, const MCExpr *RHS, 4149643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4159643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Xor, LHS, RHS, Ctx); 4169643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4179643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 4189643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 4199643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 4209643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 421fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4229643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getOpcode - Get the kind of this binary expression. 423fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode getOpcode() const { return Op; } 424fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4251aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// getLHS - Get the left-hand side expression of the binary operator. 4269643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getLHS() const { return LHS; } 4271aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar 4281aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// getRHS - Get the right-hand side expression of the binary operator. 4299643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getRHS() const { return RHS; } 4309643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 4319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 432fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4339643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 4349643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Binary; 435fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 436fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 437fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4385d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// MCTargetExpr - This is an extension point for target-specific MCExpr 4395d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// subclasses to implement. 4405d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// 4415d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// NOTE: All subclasses are required to have trivial destructors because 4425d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// MCExprs are bump pointer allocated and not destructed. 4435d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerclass MCTargetExpr : public MCExpr { 4444bb51cc83badd77bdc482b0594b72cb177f052f6Craig Topper virtual void anchor(); 4455d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerprotected: 4465d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner MCTargetExpr() : MCExpr(Target) {} 447e3e7a369f20af66a96830d8bfe52668c9e2e1fa1Chris Lattner virtual ~MCTargetExpr() {} 4485d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerpublic: 449a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar 4505d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner virtual void PrintImpl(raw_ostream &OS) const = 0; 451f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar virtual bool EvaluateAsRelocatableImpl(MCValue &Res, 452a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar const MCAsmLayout *Layout) const = 0; 4537597212abced110723f2fee985a7d60557c092ecEvan Cheng virtual void AddValueSymbols(MCAssembler *) const = 0; 4540eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar virtual const MCSection *FindAssociatedSection() const = 0; 4555d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner 4565d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner static bool classof(const MCExpr *E) { 4575d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner return E->getKind() == MCExpr::Target; 4585d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner } 4595d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner}; 4605d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner 461fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar} // end namespace llvm 462fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 463fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar#endif 464