MCExpr.h revision 99b4237c1647156f0e1d3d7e03efdab23ed79778
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 { 18684c593d05db0bd277268fc9d8c05bce138c745aChris Lattnerclass MCAsmInfo; 19f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbarclass MCAsmLayout; 2032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolaclass MCAssembler; 21fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarclass MCContext; 220eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbarclass MCSection; 2385f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindolaclass MCSectionData; 24fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarclass MCSymbol; 2515d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbarclass MCValue; 2687392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbarclass raw_ostream; 274f3e7aa154577c86791908e73a9fec075fdea0baChris Lattnerclass StringRef; 2885f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindolatypedef DenseMap<const MCSectionData*, uint64_t> SectionAddrMap; 29fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 3028c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCExpr - Base class for the full range of assembler expressions which are 319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar/// needed for parsing. 3228c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCExpr { 33fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 3428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar enum ExprKind { 351aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Binary, ///< Binary expressions. 361aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Constant, ///< Constant expressions. 371aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar SymbolRef, ///< References to labels and assigned expressions. 385d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner Unary, ///< Unary expressions. 395d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner Target ///< Target specific expression. 40fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 419643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 42fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 4328c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar ExprKind Kind; 449643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 459643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCExpr(const MCExpr&); // DO NOT IMPLEMENT 469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar void operator=(const MCExpr&); // DO NOT IMPLEMENT 479643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 48d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm, 49d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola const MCAsmLayout *Layout, 5085f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindola const SectionAddrMap *Addrs) const; 51fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprotected: 52159f527cb269002de85e671023b9231a2c8792e9Dan Gohman explicit MCExpr(ExprKind _Kind) : Kind(_Kind) {} 539643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 54d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm, 55d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola const MCAsmLayout *Layout, 5685f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindola const SectionAddrMap *Addrs, 57f230df9af4012f9510de664b6d62b128e26a5861Rafael Espindola bool InSet) const; 58fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 599643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 609643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 61fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 6228c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar ExprKind getKind() const { return Kind; } 63fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 649643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 6587392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @name Utility Methods 6687392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @{ 6787392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar 688cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner void print(raw_ostream &OS) const; 6987392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar void dump() const; 7087392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar 7187392fde1f261fea161b48886fafbedddb18dcceDaniel Dunbar /// @} 729643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Expression Evaluation 739643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 749643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 75fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// EvaluateAsAbsolute - Try to evaluate the expression to an absolute value. 76fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// 7715d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @param Res - The absolute value, if evaluation succeeds. 78f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// @param Layout - The assembler layout object to use for evaluating symbol 79f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// values. If not given, then only non-symbolic expressions will be 80f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// evaluated. 81fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar /// @result - True on success. 82d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res) const; 83d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAssembler &Asm) const; 84d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAsmLayout &Layout) const; 8585f2ecc697a8ca6c8cf08093054cbbb9d2060ccfRafael Espindola bool EvaluateAsAbsolute(int64_t &Res, const MCAsmLayout &Layout, 86d076482ab7e672d1d65a43809695e8d0d3995203Rafael Espindola const SectionAddrMap &Addrs) const; 87fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 8815d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// EvaluateAsRelocatable - Try to evaluate the expression to a relocatable 891aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// value, i.e. an expression of the fixed form (a - b + constant). 9015d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// 9115d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @param Res - The relocatable value, if evaluation succeeds. 92f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar /// @param Layout - The assembler layout object to use for evaluating values. 9315d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar /// @result - True on success. 9433a38a1b5a35acd15c867193bc2175f3d4e7b83dRafael Espindola bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout &Layout) const; 9515d170709608e2f1efcada74c297c10c8c71fdcfDaniel Dunbar 960eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// FindAssociatedSection - Find the "associated section" for this expression, 970eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// which is currently defined as the absolute section for constants, or 980eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// otherwise the section associated with the first defined symbol in the 990eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar /// expression. 1000eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar const MCSection *FindAssociatedSection() const; 1010eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar 1029643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1039643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 10428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCExpr *) { return true; } 105fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 106a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar 1078cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattnerinline raw_ostream &operator<<(raw_ostream &OS, const MCExpr &E) { 1088cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner E.print(OS); 1098cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner return OS; 1108cb9a3b13f3226b7e741768b69d26ecd6b5231f1Chris Lattner} 111fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 11228c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar//// MCConstantExpr - Represent a constant integer expression. 11328c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCConstantExpr : public MCExpr { 114fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar int64_t Value; 115fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 116159f527cb269002de85e671023b9231a2c8792e9Dan Gohman explicit MCConstantExpr(int64_t _Value) 11728c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Constant), Value(_Value) {} 1189643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1199643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 1209643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 1219643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1229643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1239643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCConstantExpr *Create(int64_t Value, MCContext &Ctx); 1249643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1259643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1269643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 1279643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 1289643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 129fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar int64_t getValue() const { return Value; } 130fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 1319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 1329643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 1339643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 1349643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Constant; 135fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 13628c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCConstantExpr *) { return true; } 137fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 138fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 13928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCSymbolRefExpr - Represent a reference to a symbol from inside an 1401aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// expression. 1411aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// 1421aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// A symbol reference in an expression may be a use of a label, a use of an 1431aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// assembler variable (defined constant), or constitute an implicit definition 1441aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar/// of the symbol as external. 14528c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCSymbolRefExpr : public MCExpr { 1464e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbarpublic: 1474e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar enum VariantKind { 1484e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_None, 1494e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_Invalid, 1504e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1514e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOT, 1524e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTOFF, 1534e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTPCREL, 1544e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_GOTTPOFF, 1554e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_INDNTPOFF, 1564e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_NTPOFF, 157a0a2f8734cdfc19d44201b791a969bcdda96bb70Rafael Espindola VK_GOTNTPOFF, 1584e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_PLT, 1594e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VK_TLSGD, 160b4d1721eff7b43577e5f2e53f885973fb6c43683Rafael Espindola VK_TLSLD, 161a264f72d3fb9dec1427480fcf17ef3c746ea723aRafael Espindola VK_TLSLDM, 16218c1021ec108722506125926087b1e5fcfb28046Rafael Espindola VK_TPOFF, 1630cf15d61b7e3bf53f5a99f58ada37b93bc039559Rafael Espindola VK_DTPOFF, 1646135a96792ca05f6366e5dbaee6208e84589c47fChris Lattner VK_TLVP, // Mach-O thread local variable relocation 1652c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // FIXME: We'd really like to use the generic Kinds listed above for these. 1662c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_PLT, // ARM-style PLT references. i.e., (PLT) instead of @PLT 1672c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_TLSGD, // ditto for TLSGD, GOT, GOTOFF, TPOFF and GOTTPOFF 1682c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOT, 1692c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOTOFF, 1702c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_TPOFF, 1712c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach VK_ARM_GOTTPOFF, 172c67b1a3a76ea6ff642d30610cf63595ccb661e6bBob Wilson 1731e61e69d401045c54b15815f15a0fdb3ca56a9b5Chris Lattner VK_PPC_TOC, 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 1783507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes 1793507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GPREL, 1803507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT_CALL, 181e3d3572e282733bd7aa5ac14115ed0804174e426Bruno Cardoso Lopes VK_Mips_GOT16, 1823507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT, 1833507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_ABS_HI, 1843507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_ABS_LO, 1853507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_TLSGD, 1863faac0a78c7a70d3dcd2af102a132bb9da2d639cAkira Hatanaka VK_Mips_TLSLDM, 1873faac0a78c7a70d3dcd2af102a132bb9da2d639cAkira Hatanaka VK_Mips_DTPREL_HI, 1883faac0a78c7a70d3dcd2af102a132bb9da2d639cAkira Hatanaka VK_Mips_DTPREL_LO, 1893507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOTTPREL, 1903507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_TPREL_HI, 1913507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_TPREL_LO, 1923507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GPOFF_HI, 1933507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GPOFF_LO, 1943507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT_DISP, 1953507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT_PAGE, 1963507d24547ce668c9a50c72b6748c0a303e295c1Bruno Cardoso Lopes VK_Mips_GOT_OFST 1974e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar }; 1984e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 1994e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbarprivate: 2004e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// The symbol being referenced. 2019643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCSymbol *Symbol; 202fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2034e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// The symbol reference modifier. 2044e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar const VariantKind Kind; 2054e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2064e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar explicit MCSymbolRefExpr(const MCSymbol *_Symbol, VariantKind _Kind) 20799b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola : MCExpr(MCExpr::SymbolRef), Symbol(_Symbol), Kind(_Kind) { 20899b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola assert(Symbol); 20999b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola } 210fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2119643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 2129643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 2139643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 2149643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2154e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(const MCSymbol *Symbol, MCContext &Ctx) { 2164e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar return MCSymbolRefExpr::Create(Symbol, VK_None, Ctx); 2174e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar } 2184e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2194e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(const MCSymbol *Symbol, VariantKind Kind, 2204e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar MCContext &Ctx); 2214e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static const MCSymbolRefExpr *Create(StringRef Name, VariantKind Kind, 2224e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar MCContext &Ctx); 223c67b1a3a76ea6ff642d30610cf63595ccb661e6bBob Wilson 2249643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2259643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 2269643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 2279643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2289643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCSymbol &getSymbol() const { return *Symbol; } 2299643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2304e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar VariantKind getKind() const { return Kind; } 2314e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2324e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @} 2334e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @name Static Utility Functions 2344e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar /// @{ 2354e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2364e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static StringRef getVariantKindName(VariantKind Kind); 2374e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2384e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar static VariantKind getVariantKindForName(StringRef Name); 2394e815f8a8cae6c846cdca52420046cab902865deDaniel Dunbar 2409643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2419643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2429643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 2439643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::SymbolRef; 244fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 24528c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCSymbolRefExpr *) { return true; } 246fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 247fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 24828c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCUnaryExpr - Unary assembler expressions. 24928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCUnaryExpr : public MCExpr { 250fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 251fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar enum Opcode { 2521aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LNot, ///< Logical negation. 2531aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Minus, ///< Unary minus. 2541aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Not, ///< Bitwise negation. 2551aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Plus ///< Unary plus. 256fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 257fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 258fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 259fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode Op; 2609643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *Expr; 261fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2629643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCUnaryExpr(Opcode _Op, const MCExpr *_Expr) 26328c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Unary), Op(_Op), Expr(_Expr) {} 2649643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2659643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 2669643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 2679643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 2689643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2699643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *Create(Opcode Op, const MCExpr *Expr, 2709643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx); 2719643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateLNot(const MCExpr *Expr, MCContext &Ctx) { 2729643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LNot, Expr, Ctx); 2739643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2749643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateMinus(const MCExpr *Expr, MCContext &Ctx) { 2759643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Minus, Expr, Ctx); 2769643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2779643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreateNot(const MCExpr *Expr, MCContext &Ctx) { 2789643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Not, Expr, Ctx); 279fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 2809643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCUnaryExpr *CreatePlus(const MCExpr *Expr, MCContext &Ctx) { 2819643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Plus, Expr, Ctx); 2829643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 2839643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2849643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2859643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 2869643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 287fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2889643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getOpcode - Get the kind of this unary expression. 289fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode getOpcode() const { return Op; } 290fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2919643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getSubExpr - Get the child of this unary expression. 2929643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getSubExpr() const { return Expr; } 293fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 2949643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 2959643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 2969643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 2979643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Unary; 298fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 29928c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCUnaryExpr *) { return true; } 300fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 301fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 30228c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar/// MCBinaryExpr - Binary assembler expressions. 30328c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbarclass MCBinaryExpr : public MCExpr { 304fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarpublic: 305fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar enum Opcode { 3061aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Add, ///< Addition. 3071aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar And, ///< Bitwise and. 308036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Div, ///< Signed division. 3091aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar EQ, ///< Equality comparison. 310036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman GT, ///< Signed greater than comparison (result is either 0 or some 311036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< target-specific non-zero value) 312036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman GTE, ///< Signed greater than or equal comparison (result is either 0 or 313036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 3141aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LAnd, ///< Logical and. 3151aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar LOr, ///< Logical or. 316036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman LT, ///< Signed less than comparison (result is either 0 or 317036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 318036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman LTE, ///< Signed less than or equal comparison (result is either 0 or 319036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman ///< some target-specific non-zero value). 320036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Mod, ///< Signed remainder. 3211aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Mul, ///< Multiplication. 3221aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar NE, ///< Inequality comparison. 3231aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Or, ///< Bitwise or. 324036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Shl, ///< Shift left. 325036c130e90eb5c93b0dc0a70ad07b9343623c2a8Dan Gohman Shr, ///< Shift right (arithmetic or logical, depending on target) 3261aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Sub, ///< Subtraction. 3271aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar Xor ///< Bitwise exclusive or. 328fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar }; 329fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 330fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbarprivate: 331fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode Op; 3329643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *LHS, *RHS; 333fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 3349643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCBinaryExpr(Opcode _Op, const MCExpr *_LHS, const MCExpr *_RHS) 33528c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar : MCExpr(MCExpr::Binary), Op(_Op), LHS(_LHS), RHS(_RHS) {} 3369643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3379643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbarpublic: 3389643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Construction 3399643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 3409643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 3419643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *Create(Opcode Op, const MCExpr *LHS, 3429643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *RHS, MCContext &Ctx); 3439643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateAdd(const MCExpr *LHS, const MCExpr *RHS, 3449643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3459643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Add, LHS, RHS, Ctx); 3469643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3479643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateAnd(const MCExpr *LHS, const MCExpr *RHS, 3489643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3499643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(And, LHS, RHS, Ctx); 3509643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3519643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateDiv(const MCExpr *LHS, const MCExpr *RHS, 3529643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3539643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Div, LHS, RHS, Ctx); 3549643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3559643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateEQ(const MCExpr *LHS, const MCExpr *RHS, 3569643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3579643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(EQ, LHS, RHS, Ctx); 3589643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3599643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateGT(const MCExpr *LHS, const MCExpr *RHS, 3609643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3619643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(GT, LHS, RHS, Ctx); 3629643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3639643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateGTE(const MCExpr *LHS, const MCExpr *RHS, 3649643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3659643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(GTE, LHS, RHS, Ctx); 3669643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3679643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLAnd(const MCExpr *LHS, const MCExpr *RHS, 3689643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3699643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LAnd, LHS, RHS, Ctx); 370fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 3719643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLOr(const MCExpr *LHS, const MCExpr *RHS, 3729643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3739643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LOr, LHS, RHS, Ctx); 3749643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3759643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLT(const MCExpr *LHS, const MCExpr *RHS, 3769643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3779643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LT, LHS, RHS, Ctx); 3789643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3799643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateLTE(const MCExpr *LHS, const MCExpr *RHS, 3809643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3819643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(LTE, LHS, RHS, Ctx); 3829643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3839643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateMod(const MCExpr *LHS, const MCExpr *RHS, 3849643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3859643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Mod, LHS, RHS, Ctx); 3869643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3879643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateMul(const MCExpr *LHS, const MCExpr *RHS, 3889643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3899643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Mul, LHS, RHS, Ctx); 3909643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3919643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateNE(const MCExpr *LHS, const MCExpr *RHS, 3929643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3939643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(NE, LHS, RHS, Ctx); 3949643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3959643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateOr(const MCExpr *LHS, const MCExpr *RHS, 3969643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 3979643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Or, LHS, RHS, Ctx); 3989643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 3999643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateShl(const MCExpr *LHS, const MCExpr *RHS, 4009643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4019643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Shl, LHS, RHS, Ctx); 4029643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4039643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateShr(const MCExpr *LHS, const MCExpr *RHS, 4049643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4059643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Shr, LHS, RHS, Ctx); 4069643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4079643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateSub(const MCExpr *LHS, const MCExpr *RHS, 4089643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4099643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Sub, LHS, RHS, Ctx); 4109643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4119643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static const MCBinaryExpr *CreateXor(const MCExpr *LHS, const MCExpr *RHS, 4129643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar MCContext &Ctx) { 4139643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return Create(Xor, LHS, RHS, Ctx); 4149643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar } 4159643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 4169643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 4179643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @name Accessors 4189643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @{ 419fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4209643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// getOpcode - Get the kind of this binary expression. 421fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar Opcode getOpcode() const { return Op; } 422fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4231aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// getLHS - Get the left-hand side expression of the binary operator. 4249643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getLHS() const { return LHS; } 4251aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar 4261aa14aac4198bca0f44e4adad42bf6238cbf9757Daniel Dunbar /// getRHS - Get the right-hand side expression of the binary operator. 4279643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar const MCExpr *getRHS() const { return RHS; } 4289643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar 4299643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar /// @} 430fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4319643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar static bool classof(const MCExpr *E) { 4329643ac55142d40da404caa8e5fedfef2cd7b4afcDaniel Dunbar return E->getKind() == MCExpr::Binary; 433fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar } 43428c251b54b0b311749f07babe0f6909e71e877bcDaniel Dunbar static bool classof(const MCBinaryExpr *) { return true; } 435fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar}; 436fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 4375d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// MCTargetExpr - This is an extension point for target-specific MCExpr 4385d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// subclasses to implement. 4395d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// 4405d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// NOTE: All subclasses are required to have trivial destructors because 4415d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner/// MCExprs are bump pointer allocated and not destructed. 4425d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerclass MCTargetExpr : public MCExpr { 443df9c4380ee7e60c1de5cae32685b113170b1faa2Chris Lattner virtual void Anchor(); 4445d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerprotected: 4455d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner MCTargetExpr() : MCExpr(Target) {} 446e3e7a369f20af66a96830d8bfe52668c9e2e1fa1Chris Lattner virtual ~MCTargetExpr() {} 4475d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattnerpublic: 448a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar 4495d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner virtual void PrintImpl(raw_ostream &OS) const = 0; 450f82f4490b130eca55b08d605456a4ceacccf288aDaniel Dunbar virtual bool EvaluateAsRelocatableImpl(MCValue &Res, 451a0e36d55c495b3325805c659ac365b5faea84e34Daniel Dunbar const MCAsmLayout *Layout) const = 0; 4527597212abced110723f2fee985a7d60557c092ecEvan Cheng virtual void AddValueSymbols(MCAssembler *) const = 0; 4530eab5c4d85b4c4bb161bcdd959aa58a6f54415ccDaniel Dunbar virtual const MCSection *FindAssociatedSection() const = 0; 4545d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner 4555d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner static bool classof(const MCExpr *E) { 4565d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner return E->getKind() == MCExpr::Target; 4575d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner } 4585d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner static bool classof(const MCTargetExpr *) { return true; } 4595d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner}; 4605d917a8952c09a345180ec36f0df4ee5dd5eddeaChris Lattner 461fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar} // end namespace llvm 462fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar 463fc6877aec9826fa830204d49eba7fac7412b841eDaniel Dunbar#endif 464