Attributes.h revision 9106f73246168fb30d26fb14085c0b3d81fcd350
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" 203467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling#include "llvm/ADT/FoldingSet.h" 21c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer#include "llvm/Support/PointerLikeTypeTraits.h" 223f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer#include <bitset> 2322bd64173981bf1251c4b3bfc684207340534ba3Bill Wendling#include <cassert> 24ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling#include <map> 2558d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner#include <string> 266091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 276091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencernamespace llvm { 28d426a642a23a234547cbc7061f5bfec157673249Bill Wendling 29702cc91aa1bd41540e8674921ae7ac89a4ff061fBill Wendlingclass AttrBuilder; 30f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendlingclass AttributeImpl; 31817abdd8b055059e5930a15704b9f52da4236456Bill Wendlingclass AttributeSetImpl; 32817abdd8b055059e5930a15704b9f52da4236456Bill Wendlingclass AttributeSetNode; 336dc3781d44e56f0addf28b06232a50f3f9e6b1afBill Wendlingclass Constant; 34c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramertemplate<typename T> struct DenseMapInfo; 352c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendlingclass LLVMContext; 36ad9a9e15595bc9d5ba1ed752caf8572957f77a3dDuncan Sandsclass Type; 37ad9a9e15595bc9d5ba1ed752caf8572957f77a3dDuncan Sands 381d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling//===----------------------------------------------------------------------===// 3927107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 4027107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \brief Functions, function parameters, and return types can have attributes 411d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// to indicate how they should be treated by optimizations and code 421d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// generation. This class represents one of those attributes. It's light-weight 431d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// and should be passed around by-value. 44034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendlingclass Attribute { 456765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendlingpublic: 461d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// This enumeration lists the attributes that can be associated with 4773dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// parameters, function results, or the function itself. 48f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 4973dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// Note: The `uwtable' attribute is about the ABI or the user mandating an 5073dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// entry in the unwind table. The `nounwind' attribute is about an exception 5173dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// passing by the function. 52f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 5373dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// In a theoretical system that uses tables for profiling and SjLj for 5411d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// exceptions, they would be fully independent. In a normal system that uses 5511d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// tables for both, the semantics are: 56f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 5711d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// nil = Needs an entry because an exception might pass by. 5811d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// nounwind = No need for an entry 5911d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// uwtable = Needs an entry because the ABI says so and because 6011d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// an exception might pass by. 6111d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// uwtable + nounwind = Needs an entry because the ABI says so. 6211d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling 63629fb82419d9bfff6ae475363bcce66192dfcc8eBill Wendling enum AttrKind { 645a0eeb5a9d727940b1dbe8dff6e9aa292ada0f6aBill Wendling // IR-Level Attributes 65480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling None, ///< No attributes have been set 66480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Alignment, ///< Alignment of parameter (5 bits) 676765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< stored as log2 of alignment with +1 bias 68f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendling ///< 0 means unaligned (different from align(1)) 69480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling AlwaysInline, ///< inline=always 70480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ByVal, ///< Pass structure by value 71480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InlineHint, ///< Source said inlining was desirable 72480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InReg, ///< Force argument to be passed in register 739a419f656e278b96e9dfe739cd63c7bff9a4e1fdQuentin Colombet MinSize, ///< Function must be optimized for size first 74480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Naked, ///< Naked function 75480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Nest, ///< Nested function static chain 76480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoAlias, ///< Considered to not alias after call 77143d46476cdcf5b88b9ee18ebd799e5820a2db0eBill Wendling NoBuiltin, ///< Callee isn't recognized as a builtin 78480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoCapture, ///< Function creates no aliases of pointer 7967ae13575900e8efd056672987249fd0adbf5e73James Molloy NoDuplicate, ///< Call cannot be duplicated 80480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoImplicitFloat, ///< Disable implicit floating point insts 81480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoInline, ///< inline=never 82480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NonLazyBind, ///< Function is called early and/or 833a106e60366a51b4594ec303ff8dbbc58913227fBill Wendling ///< often, so lazy binding isn't worthwhile 84480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoRedZone, ///< Disable redzone 85480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoReturn, ///< Mark the function as not returning 86480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoUnwind, ///< Function doesn't unwind stack 87480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling OptimizeForSize, ///< opt_size 88480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadNone, ///< Function does not access memory 89480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadOnly, ///< Function only reads from memory 90480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReturnsTwice, ///< Function can return twice 91480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling SExt, ///< Sign extended before/after call 92480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackAlignment, ///< Alignment of stack for function (3 bits) 936765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< stored as log2 of alignment with +1 bias 0 946765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< means unaligned (different from 95f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendling ///< alignstack=(1)) 96480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtect, ///< Stack protection. 97480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtectReq, ///< Stack protection required. 98114baee1fa017daefad2339c77b45b9ca3d79a41Bill Wendling StackProtectStrong, ///< Strong Stack protection. 99480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StructRet, ///< Hidden pointer to structure to return 1008eec41fc778e99d42172a7f6de76faa43a6d8847Kostya Serebryany SanitizeAddress, ///< AddressSanitizer is on. 1018eec41fc778e99d42172a7f6de76faa43a6d8847Kostya Serebryany SanitizeThread, ///< ThreadSanitizer is on. 1028eec41fc778e99d42172a7f6de76faa43a6d8847Kostya Serebryany SanitizeMemory, ///< MemorySanitizer is on. 103480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling UWTable, ///< Function must be in a unwind table 1040319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling ZExt, ///< Zero extended before/after call 1050319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling 106886a7663c72cb04eaee58cb6997c394f5096a8b9Benjamin Kramer EndAttrKinds ///< Sentinal value useful for loops 1076765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling }; 1086765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendlingprivate: 10927107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling AttributeImpl *pImpl; 11027107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute(AttributeImpl *A) : pImpl(A) {} 111d426a642a23a234547cbc7061f5bfec157673249Bill Wendlingpublic: 11227107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute() : pImpl(0) {} 1132c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 114c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 115c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // Attribute Construction 116c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 117c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 118c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Return a uniquified Attribute object. 1198c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling static Attribute get(LLVMContext &Context, AttrKind Kind, uint64_t Val = 0); 1208c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling static Attribute get(LLVMContext &Context, StringRef Kind, 1218c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling StringRef Val = StringRef()); 1222c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 123c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Return a uniquified Attribute object that has the specific 124c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// alignment set. 125c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling static Attribute getWithAlignment(LLVMContext &Context, uint64_t Align); 126c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling static Attribute getWithStackAlignment(LLVMContext &Context, uint64_t Align); 127c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling 128c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 129c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // Attribute Accessors 130c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 131c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 1328c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return true if the attribute is an Attribute::AttrKind type. 1338c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling bool isEnumAttribute() const; 1348c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1358c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return true if the attribute is an alignment attribute. 1368c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling bool isAlignAttribute() const; 1378c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1388c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return true if the attribute is a string (target-dependent) 1398c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute. 1408c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling bool isStringAttribute() const; 1418c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 142eddab1550ee10cce3bb26a26e88529cb19451aa3NAKAMURA Takumi /// \brief Return true if the attribute is present. 143eddab1550ee10cce3bb26a26e88529cb19451aa3NAKAMURA Takumi bool hasAttribute(AttrKind Val) const; 144eddab1550ee10cce3bb26a26e88529cb19451aa3NAKAMURA Takumi 14564754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling /// \brief Return true if the target-dependent attribute is present. 14664754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling bool hasAttribute(StringRef Val) const; 14764754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 1488c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's kind as an enum (Attribute::AttrKind). This 1498c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// requires the attribute to be an enum or alignment attribute. 1508c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling Attribute::AttrKind getKindAsEnum() const; 1516dc3781d44e56f0addf28b06232a50f3f9e6b1afBill Wendling 1528c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's value as an integer. This requires that the 1538c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute be an alignment attribute. 1548c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling uint64_t getValueAsInt() const; 1558c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1568c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's kind as a string. This requires the 1578c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute to be a string attribute. 1588c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling StringRef getKindAsString() const; 1598c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1608c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's value as a string. This requires the 1618c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute to be a string attribute. 1628c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling StringRef getValueAsString() const; 1636dc3781d44e56f0addf28b06232a50f3f9e6b1afBill Wendling 1641d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the alignment field of an attribute as a byte alignment 165ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling /// value. 166e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getAlignment() const; 167ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling 1681d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the stack alignment field of an attribute as a byte 169943c29135e03e55f9a5dab393786171a4a536482Bill Wendling /// alignment value. 170e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getStackAlignment() const; 17130b483c94001927b3593ed200e823104bab51660Bill Wendling 172c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief The Attribute is converted to a string of equivalent mnemonic. This 173c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// is, presumably, for writing out the mnemonics for the assembly writer. 174b29ce26ea60f7516c853318ffbfc107fde9ad897Bill Wendling std::string getAsString(bool InAttrGrp = false) const; 175c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 1768c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Equality and non-equality operators. 1772d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling bool operator==(Attribute A) const { return pImpl == A.pImpl; } 1782d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling bool operator!=(Attribute A) const { return pImpl != A.pImpl; } 1792d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling 180c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Less-than operator. Useful for sorting the attributes list. 1813467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling bool operator<(Attribute A) const; 1823467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling 183bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling void Profile(FoldingSetNodeID &ID) const { 184bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling ID.AddPointer(pImpl); 185bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling } 186827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands}; 187827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands 188e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling//===----------------------------------------------------------------------===// 18927107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 190c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// \brief This class holds the attributes for a function, its return value, and 191c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// its parameters. You access the attributes for each of them via an index into 192c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// the AttributeSet object. The function attributes are at index 193c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// `AttributeSet::FunctionIndex', the return value is at index 194c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// `AttributeSet::ReturnIndex', and the attributes for the parameters start at 195c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// index `1'. 19699faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendlingclass AttributeSet { 19707aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingpublic: 19807aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling enum AttrIndex { 19907aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling ReturnIndex = 0U, 20007aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling FunctionIndex = ~0U 20107aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling }; 20207aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingprivate: 203a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling friend class AttrBuilder; 2047d38c109aab8654e63e9071c7d948661f6b58433Bill Wendling friend class AttributeSetImpl; 20516274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling template <typename Ty> friend struct DenseMapInfo; 206a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 20773dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// \brief The attributes that we are managing. This can be null to represent 2080976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling /// the empty attributes list. 209ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSetImpl *pImpl; 2100976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 21173dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// \brief The attributes for the specified index are returned. 212606c8e36dfdd28fc589356addd3e2cbb89a32e4dBill Wendling AttributeSetNode *getAttributes(unsigned Idx) const; 2130976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 21487e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling /// \brief Create an AttributeSet with the specified parameters in it. 21587e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet get(LLVMContext &C, 2166bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, Attribute> > Attrs); 21787e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet get(LLVMContext &C, 2186bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, 21987e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling AttributeSetNode*> > Attrs); 22087e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling 22187e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet getImpl(LLVMContext &C, 2226bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, 22387e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling AttributeSetNode*> > Attrs); 22487e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling 2257d38c109aab8654e63e9071c7d948661f6b58433Bill Wendling 226ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling explicit AttributeSet(AttributeSetImpl *LI) : pImpl(LI) {} 22758d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattnerpublic: 228ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSet() : pImpl(0) {} 229ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSet(const AttributeSet &P) : pImpl(P.pImpl) {} 230d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling const AttributeSet &operator=(const AttributeSet &RHS) { 231d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling pImpl = RHS.pImpl; 232d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling return *this; 233d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling } 234710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 23558d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 236c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Construction and Mutation 23758d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 238710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 23918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return an AttributeSet with the specified parameters in it. 2408e47daf2858e980210f3e1f007036b24da342c29Bill Wendling static AttributeSet get(LLVMContext &C, ArrayRef<AttributeSet> Attrs); 24128d65722d6f283b327b5815914382077fe9c0ab4Bill Wendling static AttributeSet get(LLVMContext &C, unsigned Idx, 24232a57958226e369f964a034da2ce7083a1a34297Bill Wendling ArrayRef<Attribute::AttrKind> Kind); 2431bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling static AttributeSet get(LLVMContext &C, unsigned Idx, AttrBuilder &B); 24458d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner 245defaca00b8087d452df2b783250a48a32658a910Bill Wendling /// \brief Add an attribute to the attribute set at the given index. Since 246defaca00b8087d452df2b783250a48a32658a910Bill Wendling /// attribute sets are immutable, this returns a new set. 247defaca00b8087d452df2b783250a48a32658a910Bill Wendling AttributeSet addAttribute(LLVMContext &C, unsigned Idx, 248defaca00b8087d452df2b783250a48a32658a910Bill Wendling Attribute::AttrKind Attr) const; 249710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 2509106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler /// \brief Add an attribute to the attribute set at the given index. Since 2519106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler /// attribute sets are immutable, this returns a new set. 2529106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler AttributeSet addAttribute(LLVMContext &C, unsigned Idx, 2539106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler StringRef Kind) const; 2549106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler 255e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling /// \brief Add attributes to the attribute set at the given index. Since 256e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling /// attribute sets are immutable, this returns a new set. 257e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling AttributeSet addAttributes(LLVMContext &C, unsigned Idx, 258e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling AttributeSet Attrs) const; 259e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling 26018e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Remove the specified attribute at the specified index from this 2618246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 26218e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// list. 2638246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling AttributeSet removeAttribute(LLVMContext &C, unsigned Idx, 2648246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling Attribute::AttrKind Attr) const; 2658246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling 2668246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// \brief Remove the specified attributes at the specified index from this 2678246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 2688246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// list. 2698246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling AttributeSet removeAttributes(LLVMContext &C, unsigned Idx, 2708246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling AttributeSet Attrs) const; 271710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 27258d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 273c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Accessors 27458d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 27518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling 27685b3fbecdfe934ac7519a8831c4bd262cba99d12Bill Wendling /// \brief Retrieve the LLVM context. 27785b3fbecdfe934ac7519a8831c4bd262cba99d12Bill Wendling LLVMContext &getContext() const; 27885b3fbecdfe934ac7519a8831c4bd262cba99d12Bill Wendling 27918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the specified index are returned. 28028d65722d6f283b327b5815914382077fe9c0ab4Bill Wendling AttributeSet getParamAttributes(unsigned Idx) const; 28119c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 28218e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the ret value are returned. 2833fc4b96b503fa202411317684a2ba02e41e43072Bill Wendling AttributeSet getRetAttributes() const; 28419c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 28518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The function attributes are returned. 286c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling AttributeSet getFnAttributes() const; 287710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 288831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if the attribute exists at the given index. 28919d815c04fde6b7b53c2b542813157edfa213842Bill Wendling bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const; 290831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 2910e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling /// \brief Return true if the attribute exists at the given index. 2920e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling bool hasAttribute(unsigned Index, StringRef Kind) const; 2930e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling 294831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if attribute exists at the given index. 29519d815c04fde6b7b53c2b542813157edfa213842Bill Wendling bool hasAttributes(unsigned Index) const; 296831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 297c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief Return true if the specified attribute is set for at least one 298c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// parameter or for the return value. 299c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling bool hasAttrSomewhere(Attribute::AttrKind Attr) const; 300c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 3010e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling /// \brief Return the attribute object that exists at the given index. 3020e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling Attribute getAttribute(unsigned Index, Attribute::AttrKind Kind) const; 3030e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling 3040e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling /// \brief Return the attribute object that exists at the given index. 3050e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling Attribute getAttribute(unsigned Index, StringRef Kind) const; 3060e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling 30749f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Return the alignment for the specified function parameter. 30819d815c04fde6b7b53c2b542813157edfa213842Bill Wendling unsigned getParamAlignment(unsigned Idx) const; 3098e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 310831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Get the stack alignment. 31119d815c04fde6b7b53c2b542813157edfa213842Bill Wendling unsigned getStackAlignment(unsigned Index) const; 312831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 313831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return the attributes at the index as a string. 314b29ce26ea60f7516c853318ffbfc107fde9ad897Bill Wendling std::string getAsString(unsigned Index, bool InAttrGrp = false) const; 315831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 31616c4b3cf2943ae2327752cf3de39769d14cfceceBill Wendling typedef ArrayRef<Attribute>::iterator iterator; 31716c4b3cf2943ae2327752cf3de39769d14cfceceBill Wendling 318f715dbd263149efeb9c684dfdb0637cf84f94399Bill Wendling iterator begin(unsigned Idx) const; 319f715dbd263149efeb9c684dfdb0637cf84f94399Bill Wendling iterator end(unsigned Idx) const; 32016c4b3cf2943ae2327752cf3de39769d14cfceceBill Wendling 321041221c0972ff575b07f76808c504833d629ae1fChris Lattner /// operator==/!= - Provide equality predicates. 32218e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator==(const AttributeSet &RHS) const { 323ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl == RHS.pImpl; 32418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 32518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator!=(const AttributeSet &RHS) const { 326ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl != RHS.pImpl; 32718e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 328710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 32958d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 330c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Introspection 33158d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 332710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 333c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // FIXME: Remove this. 334c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling uint64_t Raw(unsigned Index) const; 335c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 33618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return a raw pointer that uniquely identifies this attribute list. 33758d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner void *getRawPointer() const { 338ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl; 33958d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 340710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 34118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return true if there are no attributes. 34258d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner bool isEmpty() const { 343aa57893e84ba7a35948fcaa99812ba88e58f4797Bill Wendling return getNumSlots() == 0; 34458d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 345710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 34618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return the number of slots used in this attribute list. This is 34718e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// the number of arguments that have an attribute set on them (including the 34818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// function itself). 34958d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner unsigned getNumSlots() const; 350710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 351e1f95db4803a48a30fc2a1d5868281a87a36fb85Bill Wendling /// \brief Return the index for the given slot. 3523e3e789aede6ec38d39c95d88ad4e8634d5a259bBill Wendling uint64_t getSlotIndex(unsigned Slot) const; 353e1f95db4803a48a30fc2a1d5868281a87a36fb85Bill Wendling 3548e47daf2858e980210f3e1f007036b24da342c29Bill Wendling /// \brief Return the attributes at the given slot. 3558e47daf2858e980210f3e1f007036b24da342c29Bill Wendling AttributeSet getSlotAttributes(unsigned Slot) const; 3568e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 357f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling void dump() const; 35858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner}; 3594f859aa532dbf061736f9c23e0d0882b5cdfe566Reid Spencer 360a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling//===----------------------------------------------------------------------===// 361a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \class 36216274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling/// \brief Provide DenseMapInfo for AttributeSet. 36316274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendlingtemplate<> struct DenseMapInfo<AttributeSet> { 36416274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static inline AttributeSet getEmptyKey() { 36516274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling uintptr_t Val = static_cast<uintptr_t>(-1); 36616274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling Val <<= PointerLikeTypeTraits<void*>::NumLowBitsAvailable; 36716274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling return AttributeSet(reinterpret_cast<AttributeSetImpl*>(Val)); 368c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 36916274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static inline AttributeSet getTombstoneKey() { 37016274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling uintptr_t Val = static_cast<uintptr_t>(-2); 37116274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling Val <<= PointerLikeTypeTraits<void*>::NumLowBitsAvailable; 37216274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling return AttributeSet(reinterpret_cast<AttributeSetImpl*>(Val)); 373c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 37416274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static unsigned getHashValue(AttributeSet AS) { 37516274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling return (unsigned((uintptr_t)AS.pImpl) >> 4) ^ 37616274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling (unsigned((uintptr_t)AS.pImpl) >> 9); 377c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 37816274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static bool isEqual(AttributeSet LHS, AttributeSet RHS) { return LHS == RHS; } 379c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling}; 380c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 381c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling//===----------------------------------------------------------------------===// 382c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling/// \class 383a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \brief This class is used in conjunction with the Attribute::get method to 384a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// create an Attribute object. The object itself is uniquified. The Builder's 385a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// value, however, is not. So this can be used as a quick way to test for 386a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// equality, presence of attributes, etc. 387a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass AttrBuilder { 3883f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer std::bitset<Attribute::EndAttrKinds> Attrs; 389ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling std::map<std::string, std::string> TargetDepAttrs; 390a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t Alignment; 391a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t StackAlignment; 392a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingpublic: 393c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer AttrBuilder() : Attrs(0), Alignment(0), StackAlignment(0) {} 394c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer explicit AttrBuilder(uint64_t Val) 395c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer : Attrs(0), Alignment(0), StackAlignment(0) { 396f9271ea159b97e2febedcf095c3c4122cb24d077Bill Wendling addRawValue(Val); 397a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 398c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer AttrBuilder(const Attribute &A) : Attrs(0), Alignment(0), StackAlignment(0) { 39939da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling addAttribute(A); 400a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 401a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder(AttributeSet AS, unsigned Idx); 40285df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling AttrBuilder(const AttrBuilder &B) 40385df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling : Attrs(B.Attrs), 40485df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling TargetDepAttrs(B.TargetDepAttrs.begin(), B.TargetDepAttrs.end()), 40585df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling Alignment(B.Alignment), StackAlignment(B.StackAlignment) {} 406a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 407a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling void clear(); 408a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 409a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Add an attribute to the builder. 410a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAttribute(Attribute::AttrKind Val); 411a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 41239da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling /// \brief Add the Attribute object to the builder. 41339da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling AttrBuilder &addAttribute(Attribute A); 41439da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling 415ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling /// \brief Add the target-dependent attribute to the builder. 416ad19d9c4228718b0ac167d0dfa013d14c3c9f135Bill Wendling AttrBuilder &addAttribute(StringRef A, StringRef V = StringRef()); 417ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling 418a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove an attribute from the builder. 419a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &removeAttribute(Attribute::AttrKind Val); 420a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 42149f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Remove the attributes from the builder. 422e74365462a39529ae48ef4d34ec76b4543b8ea29Bill Wendling AttrBuilder &removeAttributes(AttributeSet A, uint64_t Index); 423a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 424ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling /// \brief Remove the target-dependent attribute to the builder. 425ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling AttrBuilder &removeAttribute(StringRef A); 426ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling 42785df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling /// \brief Add the attributes from the builder. 42885df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling AttrBuilder &merge(const AttrBuilder &B); 42985df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling 430a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has the specified attribute. 431c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer bool contains(Attribute::AttrKind A) const { 4323f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer assert((unsigned)A < Attribute::EndAttrKinds && "Attribute out of range!"); 4333f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer return Attrs[A]; 434c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer } 435a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 436c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling /// \brief Return true if the builder has the specified target-dependent 437c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling /// attribute. 438c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling bool contains(StringRef A) const; 439c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling 440a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has IR-level attributes. 441a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAttributes() const; 442a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 443a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has any attribute that's in the 444a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// specified attribute. 445e74365462a39529ae48ef4d34ec76b4543b8ea29Bill Wendling bool hasAttributes(AttributeSet A, uint64_t Index) const; 446a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 447a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has an alignment attribute. 448a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAlignmentAttr() const; 449a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 450a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the alignment attribute, if it exists. 451a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getAlignment() const { return Alignment; } 452a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 453a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the stack alignment attribute, if it exists. 454a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getStackAlignment() const { return StackAlignment; } 455a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 456a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int alignment (which must be a power of 2) into the 457a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// form used internally in Attribute. 458a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAlignmentAttr(unsigned Align); 459a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 460a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int stack alignment (which must be a power of 2) into 461a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// the form used internally in Attribute. 462a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addStackAlignmentAttr(unsigned Align); 463a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 464c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer /// \brief Return true if the builder contains no target-independent 465c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer /// attributes. 4663f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer bool empty() const { return Attrs.none(); } 46787de71cb9f12d874e88d4f314ab245985c1b36bcBill Wendling 46864754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling // Iterators for target-dependent attributes. 46964754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling typedef std::pair<std::string, std::string> td_type; 47064754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling typedef std::map<std::string, std::string>::iterator td_iterator; 47164754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling typedef std::map<std::string, std::string>::const_iterator td_const_iterator; 47264754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 47364754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_iterator td_begin() { return TargetDepAttrs.begin(); } 47464754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_iterator td_end() { return TargetDepAttrs.end(); } 47564754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 47664754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_const_iterator td_begin() const { return TargetDepAttrs.begin(); } 47764754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_const_iterator td_end() const { return TargetDepAttrs.end(); } 47864754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 47987de71cb9f12d874e88d4f314ab245985c1b36bcBill Wendling bool td_empty() const { return TargetDepAttrs.empty(); } 48087de71cb9f12d874e88d4f314ab245985c1b36bcBill Wendling 481a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove attributes that are used on functions only. 482143d46476cdcf5b88b9ee18ebd799e5820a2db0eBill Wendling void removeFunctionOnlyAttrs(); 483a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 484a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator==(const AttrBuilder &B); 485a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator!=(const AttrBuilder &B) { 486a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling return !(*this == B); 487a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 488c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 489f9271ea159b97e2febedcf095c3c4122cb24d077Bill Wendling // FIXME: Remove this in 4.0. 490c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 491c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief Add the raw value to the internal representation. 492c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling AttrBuilder &addRawValue(uint64_t Val); 493a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling}; 494a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 4958e47daf2858e980210f3e1f007036b24da342c29Bill Wendlingnamespace AttributeFuncs { 4968e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 4978e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// \brief Which attributes cannot be applied to a type. 498e74365462a39529ae48ef4d34ec76b4543b8ea29Bill WendlingAttributeSet typeIncompatible(Type *Ty, uint64_t Index); 4998e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 5008e47daf2858e980210f3e1f007036b24da342c29Bill Wendling} // end AttributeFuncs namespace 5018e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 50227107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling} // end llvm namespace 5036091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 5046091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer#endif 505