Attributes.h revision 3fc4b96b503fa202411317684a2ba02e41e43072
1710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov//===-- llvm/Attributes.h - Container for Attributes ------------*- C++ -*-===// 26091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// 36091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// The LLVM Compiler Infrastructure 46091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// 57ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// This file is distributed under the University of Illinois Open Source 67ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// License. See LICENSE.TXT for details. 76091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// 86091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer//===----------------------------------------------------------------------===// 927107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// 1027107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \file 1127107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \brief This file contains the simple types necessary to represent the 1227107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// attributes associated with functions and their calls. 1327107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// 146091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer//===----------------------------------------------------------------------===// 156091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 16674be02d525d4e24bc6943ed9274958c580bcfbcJakub Staszak#ifndef LLVM_IR_ATTRIBUTES_H 17674be02d525d4e24bc6943ed9274958c580bcfbcJakub Staszak#define LLVM_IR_ATTRIBUTES_H 186091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 19d509d0b532ec2358b3f341d4a4cd1411cb8b5db2Chris Lattner#include "llvm/ADT/ArrayRef.h" 200319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling#include "llvm/ADT/DenseSet.h" 2122bd64173981bf1251c4b3bfc684207340534ba3Bill Wendling#include "llvm/Support/MathExtras.h" 2222bd64173981bf1251c4b3bfc684207340534ba3Bill Wendling#include <cassert> 2358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner#include <string> 246091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 256091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencernamespace llvm { 26d426a642a23a234547cbc7061f5bfec157673249Bill Wendling 27702cc91aa1bd41540e8674921ae7ac89a4ff061fBill Wendlingclass AttrBuilder; 28f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendlingclass AttributeImpl; 29a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass Constant; 302c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendlingclass LLVMContext; 31ad9a9e15595bc9d5ba1ed752caf8572957f77a3dDuncan Sandsclass Type; 32ad9a9e15595bc9d5ba1ed752caf8572957f77a3dDuncan Sands 331d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling//===----------------------------------------------------------------------===// 3427107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 3527107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \brief Functions, function parameters, and return types can have attributes 361d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// to indicate how they should be treated by optimizations and code 371d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// generation. This class represents one of those attributes. It's light-weight 381d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// and should be passed around by-value. 39034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendlingclass Attribute { 406765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendlingpublic: 411d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// This enumeration lists the attributes that can be associated with 421d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// parameters, function results or the function itself. 43f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 441d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// Note: uwtable is about the ABI or the user mandating an entry in the 4511d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// unwind table. The nounwind attribute is about an exception passing by the 4611d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// function. 47f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 4811d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// In a theoretical system that uses tables for profiling and sjlj for 4911d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// exceptions, they would be fully independent. In a normal system that uses 5011d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// tables for both, the semantics are: 51f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 5211d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// nil = Needs an entry because an exception might pass by. 5311d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// nounwind = No need for an entry 5411d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// uwtable = Needs an entry because the ABI says so and because 5511d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// an exception might pass by. 5611d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// uwtable + nounwind = Needs an entry because the ABI says so. 5711d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling 58629fb82419d9bfff6ae475363bcce66192dfcc8eBill Wendling enum AttrKind { 595a0eeb5a9d727940b1dbe8dff6e9aa292ada0f6aBill Wendling // IR-Level Attributes 60480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling None, ///< No attributes have been set 61480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling AddressSafety, ///< Address safety checking is on. 62480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Alignment, ///< Alignment of parameter (5 bits) 636765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< stored as log2 of alignment with +1 bias 64f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendling ///< 0 means unaligned (different from align(1)) 65480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling AlwaysInline, ///< inline=always 66480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ByVal, ///< Pass structure by value 67480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InlineHint, ///< Source said inlining was desirable 68480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InReg, ///< Force argument to be passed in register 699a419f656e278b96e9dfe739cd63c7bff9a4e1fdQuentin Colombet MinSize, ///< Function must be optimized for size first 70480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Naked, ///< Naked function 71480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Nest, ///< Nested function static chain 72480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoAlias, ///< Considered to not alias after call 73480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoCapture, ///< Function creates no aliases of pointer 7467ae13575900e8efd056672987249fd0adbf5e73James Molloy NoDuplicate, ///< Call cannot be duplicated 75480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoImplicitFloat, ///< Disable implicit floating point insts 76480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoInline, ///< inline=never 77480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NonLazyBind, ///< Function is called early and/or 783a106e60366a51b4594ec303ff8dbbc58913227fBill Wendling ///< often, so lazy binding isn't worthwhile 79480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoRedZone, ///< Disable redzone 80480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoReturn, ///< Mark the function as not returning 81480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoUnwind, ///< Function doesn't unwind stack 82480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling OptimizeForSize, ///< opt_size 83480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadNone, ///< Function does not access memory 84480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadOnly, ///< Function only reads from memory 85480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReturnsTwice, ///< Function can return twice 86480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling SExt, ///< Sign extended before/after call 87480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackAlignment, ///< Alignment of stack for function (3 bits) 886765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< stored as log2 of alignment with +1 bias 0 896765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< means unaligned (different from 90f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendling ///< alignstack=(1)) 91480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtect, ///< Stack protection. 92480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtectReq, ///< Stack protection required. 93480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StructRet, ///< Hidden pointer to structure to return 94480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling UWTable, ///< Function must be in a unwind table 950319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling ZExt, ///< Zero extended before/after call 960319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling 973a4779a9211281a1d0c27c97037342329035a185NAKAMURA Takumi EndAttrKinds, ///< Sentinal value useful for loops 983a4779a9211281a1d0c27c97037342329035a185NAKAMURA Takumi 996f78fbbc630d2b86fb752574f5ad74473f57dfb1Chandler Carruth AttrKindEmptyKey, ///< Empty key value for DenseMapInfo 1006f78fbbc630d2b86fb752574f5ad74473f57dfb1Chandler Carruth AttrKindTombstoneKey ///< Tombstone key value for DenseMapInfo 1016765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling }; 1026765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendlingprivate: 10327107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling AttributeImpl *pImpl; 10427107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute(AttributeImpl *A) : pImpl(A) {} 105d426a642a23a234547cbc7061f5bfec157673249Bill Wendlingpublic: 10627107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute() : pImpl(0) {} 1072c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 1081d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Return a uniquified Attribute object. This takes the uniquified 109034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling /// value from the Builder and wraps it in the Attribute class. 110629fb82419d9bfff6ae475363bcce66192dfcc8eBill Wendling static Attribute get(LLVMContext &Context, ArrayRef<AttrKind> Vals); 111034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling static Attribute get(LLVMContext &Context, AttrBuilder &B); 1122c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 1131d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Return true if the attribute is present. 114629fb82419d9bfff6ae475363bcce66192dfcc8eBill Wendling bool hasAttribute(AttrKind Val) const; 1152e879bcd52583335c753c005d203bf2ffe8b67b5Bill Wendling 1161d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Return true if attributes exist 11705cc40d20c0f3b2f1bd5cb86ceb9f32d07cae110Bill Wendling bool hasAttributes() const; 1182e879bcd52583335c753c005d203bf2ffe8b67b5Bill Wendling 1191d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the alignment field of an attribute as a byte alignment 120ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling /// value. 121e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getAlignment() const; 122ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling 1231bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling /// \brief Set the alignment field of an attribute. 1241bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling void setAlignment(unsigned Align); 1251bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling 1261d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the stack alignment field of an attribute as a byte 127943c29135e03e55f9a5dab393786171a4a536482Bill Wendling /// alignment value. 128e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getStackAlignment() const; 12930b483c94001927b3593ed200e823104bab51660Bill Wendling 1301bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling /// \brief Set the stack alignment field of an attribute. 1311bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling void setStackAlignment(unsigned Align); 1321bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling 13360507d53e7e8e6b0c537675f68204a93c3033de7Bill Wendling /// \brief Equality and non-equality query methods. 13492e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling bool operator==(AttrKind K) const; 13592e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling bool operator!=(AttrKind K) const; 13692e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling 13792e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling // FIXME: Remove these 'operator' methods. 138034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling bool operator==(const Attribute &A) const { 13927107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling return pImpl == A.pImpl; 140d426a642a23a234547cbc7061f5bfec157673249Bill Wendling } 141034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling bool operator!=(const Attribute &A) const { 14227107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling return pImpl != A.pImpl; 143d426a642a23a234547cbc7061f5bfec157673249Bill Wendling } 144e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling 1451db9b6957c2565a2322206bd5907530895f1c7acBill Wendling uint64_t Raw() const; 1468ce1e432d1c942d101617b3c623970a4f763f93dBill Wendling 1471d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Which attributes cannot be applied to a type. 148034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling static Attribute typeIncompatible(Type *Ty); 149623a389f623dfef44f07211bd12fbd2a93db09e3Duncan Sands 1501d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief This returns an integer containing an encoding of all the LLVM 1511d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// attributes found in the given attribute bitset. Any change to this 1521d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// encoding is a breaking change to bitcode compatibility. 153034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling static uint64_t encodeLLVMAttributesForBitcode(Attribute Attrs); 1542039a8f83464e900a71f3e846c7749b2d0d8cde2Bill Wendling 1551d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief This returns an attribute bitset containing the LLVM attributes 1561d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// that have been decoded from the given integer. This function must stay in 1571d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// sync with 'encodeLLVMAttributesForBitcode'. 158034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling static Attribute decodeLLVMAttributesForBitcode(LLVMContext &C, 15992e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling uint64_t EncodedAttrs); 1602c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 16194e94b350652d3a71993bbc7d44afbe3b304605eBill Wendling /// \brief The Attribute is converted to a string of equivalent mnemonic. This 16294e94b350652d3a71993bbc7d44afbe3b304605eBill Wendling /// is, presumably, for writing out the mnemonics for the assembly writer. 1632c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling std::string getAsString() const; 164827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands}; 165827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands 166e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling//===----------------------------------------------------------------------===// 16727107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 1680319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling/// \brief Provide DenseMapInfo for Attribute::AttrKinds. This is used by 1690319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling/// AttrBuilder. 1700319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendlingtemplate<> struct DenseMapInfo<Attribute::AttrKind> { 1710319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling static inline Attribute::AttrKind getEmptyKey() { 1726f78fbbc630d2b86fb752574f5ad74473f57dfb1Chandler Carruth return Attribute::AttrKindEmptyKey; 1730319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling } 1740319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling static inline Attribute::AttrKind getTombstoneKey() { 1756f78fbbc630d2b86fb752574f5ad74473f57dfb1Chandler Carruth return Attribute::AttrKindTombstoneKey; 1760319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling } 1770319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling static unsigned getHashValue(const Attribute::AttrKind &Val) { 1780319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling return Val * 37U; 1790319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling } 1800319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling static bool isEqual(const Attribute::AttrKind &LHS, 1810319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling const Attribute::AttrKind &RHS) { 1820319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling return LHS == RHS; 1830319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling } 1840319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling}; 1850319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling 1860319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling//===----------------------------------------------------------------------===// 18799faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendling// AttributeSet Smart Pointer 18858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner//===----------------------------------------------------------------------===// 18958d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner 190a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass AttrBuilder; 19118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendlingclass AttributeSetImpl; 192c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendlingstruct AttributeWithIndex; 193710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 19418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling//===----------------------------------------------------------------------===// 19527107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 19627107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \brief This class manages the ref count for the opaque AttributeSetImpl 19718e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling/// object and provides accessors for it. 19899faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendlingclass AttributeSet { 19907aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingpublic: 20007aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling enum AttrIndex { 20107aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling ReturnIndex = 0U, 20207aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling FunctionIndex = ~0U 20307aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling }; 20407aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingprivate: 205a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling friend class AttrBuilder; 206a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 20718e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes that we are managing. This can be null to represent 2080976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling /// the empty attributes list. 20918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling AttributeSetImpl *AttrList; 2100976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 21118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the specified index are returned. Attributes 2120976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling /// for the result are denoted with Idx = 0. 213034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling Attribute getAttributes(unsigned Idx) const; 2140976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 21518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling explicit AttributeSet(AttributeSetImpl *LI) : AttrList(LI) {} 21658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattnerpublic: 21799faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendling AttributeSet() : AttrList(0) {} 21899faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendling AttributeSet(const AttributeSet &P) : AttrList(P.AttrList) {} 21999faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendling const AttributeSet &operator=(const AttributeSet &RHS); 220710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 22158d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 2220598866c052147c31b808391f58434ce3dbfb838Devang Patel // Attribute List Construction and Mutation 22358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 224710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 22518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return an AttributeSet with the specified parameters in it. 22699faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendling static AttributeSet get(LLVMContext &C, ArrayRef<AttributeWithIndex> Attrs); 2271bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling static AttributeSet get(LLVMContext &C, unsigned Idx, AttrBuilder &B); 22858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner 22918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Add the specified attribute at the specified index to this 23018e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 23118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// list. 232034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling AttributeSet addAttr(LLVMContext &C, unsigned Idx, Attribute Attrs) const; 233710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 2341b0c54f1c5dd61e56cb7cbc435fcb3319cff628fBill Wendling /// \brief Add return attributes to this attribute set. Since attribute sets 2351b0c54f1c5dd61e56cb7cbc435fcb3319cff628fBill Wendling /// are immutable, this returns a new set. 2361b0c54f1c5dd61e56cb7cbc435fcb3319cff628fBill Wendling AttributeSet addRetAttributes(LLVMContext &C, AttributeSet Attrs) const; 2371b0c54f1c5dd61e56cb7cbc435fcb3319cff628fBill Wendling 238956f13440a4aa0297606a4412f4aa091d931592aBill Wendling /// \brief Add function attributes to this attribute set. Since attribute sets 239956f13440a4aa0297606a4412f4aa091d931592aBill Wendling /// are immutable, this returns a new set. 240956f13440a4aa0297606a4412f4aa091d931592aBill Wendling AttributeSet addFnAttributes(LLVMContext &C, AttributeSet Attrs) const; 241956f13440a4aa0297606a4412f4aa091d931592aBill Wendling 24218e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Remove the specified attribute at the specified index from this 24318e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 24418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// list. 245034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling AttributeSet removeAttr(LLVMContext &C, unsigned Idx, Attribute Attrs) const; 246710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 24758d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 2480598866c052147c31b808391f58434ce3dbfb838Devang Patel // Attribute List Accessors 24958d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 25018e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling 25118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the specified index are returned. 252034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling Attribute getParamAttributes(unsigned Idx) const { 25319c874638d9478a5d5028854817a5ee72293bb2bDevang Patel return getAttributes(Idx); 25419c874638d9478a5d5028854817a5ee72293bb2bDevang Patel } 25519c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 25618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the ret value are returned. 2573fc4b96b503fa202411317684a2ba02e41e43072Bill Wendling AttributeSet getRetAttributes() const; 25819c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 25918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The function attributes are returned. 260c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling AttributeSet getFnAttributes() const; 261710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 26218e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return the alignment for the specified function parameter. 263956f13440a4aa0297606a4412f4aa091d931592aBill Wendling unsigned getParamAlignment(unsigned Idx) const; 264710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 265831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if the attribute exists at the given index. 266831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const; 267831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 268831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if attribute exists at the given index. 269831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling bool hasAttributes(unsigned Index) const; 270831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 271831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Get the stack alignment. 272831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling unsigned getStackAlignment(unsigned Index) const; 273831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 274831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return the attributes at the index as a string. 275831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling std::string getAsString(unsigned Index) const; 276831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 2771db9b6957c2565a2322206bd5907530895f1c7acBill Wendling uint64_t Raw(unsigned Index) const; 278831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 27918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return true if the specified attribute is set for at least one 28018e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// parameter or for the return value. 281629fb82419d9bfff6ae475363bcce66192dfcc8eBill Wendling bool hasAttrSomewhere(Attribute::AttrKind Attr) const; 28258d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner 283041221c0972ff575b07f76808c504833d629ae1fChris Lattner /// operator==/!= - Provide equality predicates. 28418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator==(const AttributeSet &RHS) const { 28518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling return AttrList == RHS.AttrList; 28618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 28718e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator!=(const AttributeSet &RHS) const { 28818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling return AttrList != RHS.AttrList; 28918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 290710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 29158d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 2920598866c052147c31b808391f58434ce3dbfb838Devang Patel // Attribute List Introspection 29358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 294710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 29518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return a raw pointer that uniquely identifies this attribute list. 29658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner void *getRawPointer() const { 2970598866c052147c31b808391f58434ce3dbfb838Devang Patel return AttrList; 29858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 299710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 300034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling // Attributes are stored as a dense set of slots, where there is one slot for 301034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling // each argument that has an attribute. This allows walking over the dense 302034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling // set instead of walking the sparse list of attributes. 303710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 30418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return true if there are no attributes. 30558d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner bool isEmpty() const { 3060598866c052147c31b808391f58434ce3dbfb838Devang Patel return AttrList == 0; 30758d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 308710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 30918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return the number of slots used in this attribute list. This is 31018e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// the number of arguments that have an attribute set on them (including the 31118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// function itself). 31258d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner unsigned getNumSlots() const; 313710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 31418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return the AttributeWithIndex at the specified slot. This holds a 31518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// index number plus a set of attributes. 3160598866c052147c31b808391f58434ce3dbfb838Devang Patel const AttributeWithIndex &getSlot(unsigned Slot) const; 317710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 318f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling void dump() const; 31958d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner}; 3204f859aa532dbf061736f9c23e0d0882b5cdfe566Reid Spencer 321a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling//===----------------------------------------------------------------------===// 322a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \class 323c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling/// \brief This is just a pair of values to associate a set of attributes with 324c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling/// an index. 325c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendlingstruct AttributeWithIndex { 326c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling Attribute Attrs; ///< The attributes that are set, or'd together. 327c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling Constant *Val; ///< Value attached to attribute, e.g. alignment. 328c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling unsigned Index; ///< Index of the parameter for which the attributes apply. 329c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling ///< Index 0 is used for return value attributes. 330c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling ///< Index ~0U is used for function attributes. 331c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling 332c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling // FIXME: These methods all need to be revised. The first one is temporary. 333c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling static AttributeWithIndex get(LLVMContext &C, unsigned Idx, AttributeSet AS); 334c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling static AttributeWithIndex get(LLVMContext &C, unsigned Idx, 335c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling ArrayRef<Attribute::AttrKind> Attrs) { 336c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling return get(Idx, Attribute::get(C, Attrs)); 337c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling } 338c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling static AttributeWithIndex get(unsigned Idx, Attribute Attrs) { 339c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling AttributeWithIndex P; 340c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling P.Index = Idx; 341c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling P.Attrs = Attrs; 342c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling P.Val = 0; 343c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling return P; 344c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling } 345c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling static AttributeWithIndex get(unsigned Idx, Attribute Attrs, Constant *Val) { 346c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling AttributeWithIndex P; 347c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling P.Index = Idx; 348c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling P.Attrs = Attrs; 349c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling P.Val = Val; 350c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling return P; 351c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling } 352c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling}; 353c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling 354c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling//===----------------------------------------------------------------------===// 355c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling/// \class 356a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \brief This class is used in conjunction with the Attribute::get method to 357a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// create an Attribute object. The object itself is uniquified. The Builder's 358a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// value, however, is not. So this can be used as a quick way to test for 359a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// equality, presence of attributes, etc. 360a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass AttrBuilder { 361a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling DenseSet<Attribute::AttrKind> Attrs; 362a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t Alignment; 363a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t StackAlignment; 364a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingpublic: 365a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder() : Alignment(0), StackAlignment(0) {} 366a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling explicit AttrBuilder(uint64_t B) : Alignment(0), StackAlignment(0) { 367a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling addRawValue(B); 368a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 369a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder(const Attribute &A) : Alignment(0), StackAlignment(0) { 370a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling addAttributes(A); 371a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 372a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder(AttributeSet AS, unsigned Idx); 373a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 374a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling void clear(); 375a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 376a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Add an attribute to the builder. 377a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAttribute(Attribute::AttrKind Val); 378a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 379a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove an attribute from the builder. 380a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &removeAttribute(Attribute::AttrKind Val); 381a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 382a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Add the attributes from A to the builder. 383a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAttributes(const Attribute &A); 384a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 385a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove the attributes from A from the builder. 386a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &removeAttributes(const Attribute &A); 387a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 388a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has the specified attribute. 389a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool contains(Attribute::AttrKind A) const; 390a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 391a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has IR-level attributes. 392a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAttributes() const; 393a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 394a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has any attribute that's in the 395a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// specified attribute. 396a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAttributes(const Attribute &A) const; 397a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 398a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has an alignment attribute. 399a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAlignmentAttr() const; 400a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 401a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the alignment attribute, if it exists. 402a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getAlignment() const { return Alignment; } 403a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 404a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the stack alignment attribute, if it exists. 405a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getStackAlignment() const { return StackAlignment; } 406a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 407a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int alignment (which must be a power of 2) into the 408a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// form used internally in Attribute. 409a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAlignmentAttr(unsigned Align); 410a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 411a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int stack alignment (which must be a power of 2) into 412a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// the form used internally in Attribute. 413a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addStackAlignmentAttr(unsigned Align); 414a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 415a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling typedef DenseSet<Attribute::AttrKind>::iterator iterator; 416a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling typedef DenseSet<Attribute::AttrKind>::const_iterator const_iterator; 417a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 418a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling iterator begin() { return Attrs.begin(); } 419a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling iterator end() { return Attrs.end(); } 420a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 421a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling const_iterator begin() const { return Attrs.begin(); } 422a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling const_iterator end() const { return Attrs.end(); } 423a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 424a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Add the raw value to the internal representation. 425a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// 426a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// N.B. This should be used ONLY for decoding LLVM bitcode! 427a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addRawValue(uint64_t Val); 428a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 429a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove attributes that are used on functions only. 430a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling void removeFunctionOnlyAttrs() { 431a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling removeAttribute(Attribute::NoReturn) 432a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoUnwind) 433a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::ReadNone) 434a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::ReadOnly) 435a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoInline) 436a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::AlwaysInline) 437a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::OptimizeForSize) 438a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::StackProtect) 439a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::StackProtectReq) 440a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoRedZone) 441a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoImplicitFloat) 442a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::Naked) 443a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::InlineHint) 444a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::StackAlignment) 445a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::UWTable) 446a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NonLazyBind) 447a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::ReturnsTwice) 448a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::AddressSafety) 449a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::MinSize) 450a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoDuplicate); 451a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 452a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 4531db9b6957c2565a2322206bd5907530895f1c7acBill Wendling uint64_t Raw() const; 454a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 455a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator==(const AttrBuilder &B); 456a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator!=(const AttrBuilder &B) { 457a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling return !(*this == B); 458a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 459a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling}; 460a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 46127107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling} // end llvm namespace 4626091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 4636091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer#endif 464