Attributes.h revision 2253a2f52f3c46ae75cd05f5885acb987bd1d6b6
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 702253a2f52f3c46ae75cd05f5885acb987bd1d6b6Michael Gottesman Builtin, ///< Callee is recognized as a builtin, despite 712253a2f52f3c46ae75cd05f5885acb987bd1d6b6Michael Gottesman ///< nobuiltin attribute on its declaration. 72480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ByVal, ///< Pass structure by value 7377226a03dca98e6237c1068f2652fe41bea7b687Diego Novillo Cold, ///< Marks function as being in a cold path. 74480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InlineHint, ///< Source said inlining was desirable 75480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InReg, ///< Force argument to be passed in register 769a419f656e278b96e9dfe739cd63c7bff9a4e1fdQuentin Colombet MinSize, ///< Function must be optimized for size first 77480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Naked, ///< Naked function 78480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Nest, ///< Nested function static chain 79480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoAlias, ///< Considered to not alias after call 80143d46476cdcf5b88b9ee18ebd799e5820a2db0eBill Wendling NoBuiltin, ///< Callee isn't recognized as a builtin 81480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoCapture, ///< Function creates no aliases of pointer 8267ae13575900e8efd056672987249fd0adbf5e73James Molloy NoDuplicate, ///< Call cannot be duplicated 83480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoImplicitFloat, ///< Disable implicit floating point insts 84480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoInline, ///< inline=never 85480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NonLazyBind, ///< Function is called early and/or 863a106e60366a51b4594ec303ff8dbbc58913227fBill Wendling ///< often, so lazy binding isn't worthwhile 87480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoRedZone, ///< Disable redzone 88480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoReturn, ///< Mark the function as not returning 89480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoUnwind, ///< Function doesn't unwind stack 90480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling OptimizeForSize, ///< opt_size 91480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadNone, ///< Function does not access memory 92480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadOnly, ///< Function only reads from memory 93456ca048af35163b9f52187e92a23ee0a9f059e8Stephen Lin Returned, ///< Return value is always equal to this argument 94480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReturnsTwice, ///< Function can return twice 95480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling SExt, ///< Sign extended before/after call 96480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackAlignment, ///< Alignment of stack for function (3 bits) 976765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< stored as log2 of alignment with +1 bias 0 986765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< means unaligned (different from 99f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendling ///< alignstack=(1)) 100480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtect, ///< Stack protection. 101480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtectReq, ///< Stack protection required. 102114baee1fa017daefad2339c77b45b9ca3d79a41Bill Wendling StackProtectStrong, ///< Strong Stack protection. 103480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StructRet, ///< Hidden pointer to structure to return 1048eec41fc778e99d42172a7f6de76faa43a6d8847Kostya Serebryany SanitizeAddress, ///< AddressSanitizer is on. 1058eec41fc778e99d42172a7f6de76faa43a6d8847Kostya Serebryany SanitizeThread, ///< ThreadSanitizer is on. 1068eec41fc778e99d42172a7f6de76faa43a6d8847Kostya Serebryany SanitizeMemory, ///< MemorySanitizer is on. 107480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling UWTable, ///< Function must be in a unwind table 1080319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling ZExt, ///< Zero extended before/after call 1090319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling 110886a7663c72cb04eaee58cb6997c394f5096a8b9Benjamin Kramer EndAttrKinds ///< Sentinal value useful for loops 1116765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling }; 1126765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendlingprivate: 11327107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling AttributeImpl *pImpl; 11427107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute(AttributeImpl *A) : pImpl(A) {} 115d426a642a23a234547cbc7061f5bfec157673249Bill Wendlingpublic: 11627107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute() : pImpl(0) {} 1172c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 118c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 119c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // Attribute Construction 120c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 121c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 122c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Return a uniquified Attribute object. 1238c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling static Attribute get(LLVMContext &Context, AttrKind Kind, uint64_t Val = 0); 1248c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling static Attribute get(LLVMContext &Context, StringRef Kind, 1258c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling StringRef Val = StringRef()); 1262c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 127c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Return a uniquified Attribute object that has the specific 128c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// alignment set. 129c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling static Attribute getWithAlignment(LLVMContext &Context, uint64_t Align); 130c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling static Attribute getWithStackAlignment(LLVMContext &Context, uint64_t Align); 131c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling 132c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 133c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // Attribute Accessors 134c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 135c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 1368c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return true if the attribute is an Attribute::AttrKind type. 1378c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling bool isEnumAttribute() const; 1388c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1398c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return true if the attribute is an alignment attribute. 1408c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling bool isAlignAttribute() const; 1418c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1428c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return true if the attribute is a string (target-dependent) 1438c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute. 1448c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling bool isStringAttribute() const; 1458c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 146eddab1550ee10cce3bb26a26e88529cb19451aa3NAKAMURA Takumi /// \brief Return true if the attribute is present. 147eddab1550ee10cce3bb26a26e88529cb19451aa3NAKAMURA Takumi bool hasAttribute(AttrKind Val) const; 148eddab1550ee10cce3bb26a26e88529cb19451aa3NAKAMURA Takumi 14964754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling /// \brief Return true if the target-dependent attribute is present. 15064754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling bool hasAttribute(StringRef Val) const; 15164754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 1528c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's kind as an enum (Attribute::AttrKind). This 1538c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// requires the attribute to be an enum or alignment attribute. 1548c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling Attribute::AttrKind getKindAsEnum() const; 1556dc3781d44e56f0addf28b06232a50f3f9e6b1afBill Wendling 1568c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's value as an integer. This requires that the 1578c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute be an alignment attribute. 1588c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling uint64_t getValueAsInt() const; 1598c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1608c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's kind as a string. This requires the 1618c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute to be a string attribute. 1628c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling StringRef getKindAsString() const; 1638c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling 1648c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Return the attribute's value as a string. This requires the 1658c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// attribute to be a string attribute. 1668c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling StringRef getValueAsString() const; 1676dc3781d44e56f0addf28b06232a50f3f9e6b1afBill Wendling 1681d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the alignment field of an attribute as a byte alignment 169ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling /// value. 170e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getAlignment() const; 171ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling 1721d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the stack alignment field of an attribute as a byte 173943c29135e03e55f9a5dab393786171a4a536482Bill Wendling /// alignment value. 174e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getStackAlignment() const; 17530b483c94001927b3593ed200e823104bab51660Bill Wendling 176c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief The Attribute is converted to a string of equivalent mnemonic. This 177c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// is, presumably, for writing out the mnemonics for the assembly writer. 178b29ce26ea60f7516c853318ffbfc107fde9ad897Bill Wendling std::string getAsString(bool InAttrGrp = false) const; 179c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 1808c74ecfbddabe89e150abff4fdff0a27108874b9Bill Wendling /// \brief Equality and non-equality operators. 1812d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling bool operator==(Attribute A) const { return pImpl == A.pImpl; } 1822d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling bool operator!=(Attribute A) const { return pImpl != A.pImpl; } 1832d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling 184c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Less-than operator. Useful for sorting the attributes list. 1853467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling bool operator<(Attribute A) const; 1863467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling 187bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling void Profile(FoldingSetNodeID &ID) const { 188bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling ID.AddPointer(pImpl); 189bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling } 190827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands}; 191827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands 192e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling//===----------------------------------------------------------------------===// 19327107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 194c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// \brief This class holds the attributes for a function, its return value, and 195c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// its parameters. You access the attributes for each of them via an index into 196c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// the AttributeSet object. The function attributes are at index 197c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// `AttributeSet::FunctionIndex', the return value is at index 198c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// `AttributeSet::ReturnIndex', and the attributes for the parameters start at 199c3662eeaa4a1a4061fc6d5c81e3eed48c5d9da26Bill Wendling/// index `1'. 20099faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendlingclass AttributeSet { 20107aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingpublic: 20207aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling enum AttrIndex { 20307aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling ReturnIndex = 0U, 20407aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling FunctionIndex = ~0U 20507aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling }; 20607aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingprivate: 207a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling friend class AttrBuilder; 2087d38c109aab8654e63e9071c7d948661f6b58433Bill Wendling friend class AttributeSetImpl; 20916274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling template <typename Ty> friend struct DenseMapInfo; 210a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 21173dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// \brief The attributes that we are managing. This can be null to represent 2120976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling /// the empty attributes list. 213ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSetImpl *pImpl; 2140976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 21573dee180c836270644dfa7d90f9c5ba877567999Bill Wendling /// \brief The attributes for the specified index are returned. 2168a6a7bb6a601061031cddd77129532a3b467300bBill Wendling AttributeSetNode *getAttributes(unsigned Index) const; 2170976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 21887e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling /// \brief Create an AttributeSet with the specified parameters in it. 21987e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet get(LLVMContext &C, 2206bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, Attribute> > Attrs); 22187e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet get(LLVMContext &C, 2226bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, 22387e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling AttributeSetNode*> > Attrs); 22487e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling 22587e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet getImpl(LLVMContext &C, 2266bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, 22787e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling AttributeSetNode*> > Attrs); 22887e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling 2297d38c109aab8654e63e9071c7d948661f6b58433Bill Wendling 230ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling explicit AttributeSet(AttributeSetImpl *LI) : pImpl(LI) {} 23158d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattnerpublic: 232ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSet() : pImpl(0) {} 233710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 23458d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 235c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Construction and Mutation 23658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 237710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 23818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return an AttributeSet with the specified parameters in it. 2398e47daf2858e980210f3e1f007036b24da342c29Bill Wendling static AttributeSet get(LLVMContext &C, ArrayRef<AttributeSet> Attrs); 2408a6a7bb6a601061031cddd77129532a3b467300bBill Wendling static AttributeSet get(LLVMContext &C, unsigned Index, 24132a57958226e369f964a034da2ce7083a1a34297Bill Wendling ArrayRef<Attribute::AttrKind> Kind); 2428a6a7bb6a601061031cddd77129532a3b467300bBill Wendling static AttributeSet get(LLVMContext &C, unsigned Index, AttrBuilder &B); 24358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner 244defaca00b8087d452df2b783250a48a32658a910Bill Wendling /// \brief Add an attribute to the attribute set at the given index. Since 245defaca00b8087d452df2b783250a48a32658a910Bill Wendling /// attribute sets are immutable, this returns a new set. 2468a6a7bb6a601061031cddd77129532a3b467300bBill Wendling AttributeSet addAttribute(LLVMContext &C, unsigned Index, 247defaca00b8087d452df2b783250a48a32658a910Bill Wendling Attribute::AttrKind Attr) const; 248710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 2499106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler /// \brief Add an attribute to the attribute set at the given index. Since 2509106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler /// attribute sets are immutable, this returns a new set. 2518a6a7bb6a601061031cddd77129532a3b467300bBill Wendling AttributeSet addAttribute(LLVMContext &C, unsigned Index, 2529106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler StringRef Kind) const; 2539106f73246168fb30d26fb14085c0b3d81fcd350Reed Kotler 254e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling /// \brief Add attributes to the attribute set at the given index. Since 255e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling /// attribute sets are immutable, this returns a new set. 2568a6a7bb6a601061031cddd77129532a3b467300bBill Wendling AttributeSet addAttributes(LLVMContext &C, unsigned Index, 257e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling AttributeSet Attrs) const; 258e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling 25918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Remove the specified attribute at the specified index from this 2608246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 26118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// list. 2628a6a7bb6a601061031cddd77129532a3b467300bBill Wendling AttributeSet removeAttribute(LLVMContext &C, unsigned Index, 2638246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling Attribute::AttrKind Attr) const; 2648246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling 2658246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// \brief Remove the specified attributes at the specified index from this 2668246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 2678246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// list. 2688a6a7bb6a601061031cddd77129532a3b467300bBill Wendling AttributeSet removeAttributes(LLVMContext &C, unsigned Index, 2698246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling AttributeSet Attrs) const; 270710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 27158d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 272c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Accessors 27358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 27418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling 27585b3fbecdfe934ac7519a8831c4bd262cba99d12Bill Wendling /// \brief Retrieve the LLVM context. 27685b3fbecdfe934ac7519a8831c4bd262cba99d12Bill Wendling LLVMContext &getContext() const; 27785b3fbecdfe934ac7519a8831c4bd262cba99d12Bill Wendling 27818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the specified index are returned. 2798a6a7bb6a601061031cddd77129532a3b467300bBill Wendling AttributeSet getParamAttributes(unsigned Index) const; 28019c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 28118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the ret value are returned. 2823fc4b96b503fa202411317684a2ba02e41e43072Bill Wendling AttributeSet getRetAttributes() const; 28319c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 28418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The function attributes are returned. 285c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling AttributeSet getFnAttributes() const; 286710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 287831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if the attribute exists at the given index. 28819d815c04fde6b7b53c2b542813157edfa213842Bill Wendling bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const; 289831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 2900e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling /// \brief Return true if the attribute exists at the given index. 2910e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling bool hasAttribute(unsigned Index, StringRef Kind) const; 2920e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling 293831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if attribute exists at the given index. 29419d815c04fde6b7b53c2b542813157edfa213842Bill Wendling bool hasAttributes(unsigned Index) const; 295831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 296c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief Return true if the specified attribute is set for at least one 297c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// parameter or for the return value. 298c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling bool hasAttrSomewhere(Attribute::AttrKind Attr) const; 299c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 3000e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling /// \brief Return the attribute object that exists at the given index. 3010e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling Attribute getAttribute(unsigned Index, Attribute::AttrKind Kind) const; 3020e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling 3030e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling /// \brief Return the attribute object that exists at the given index. 3040e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling Attribute getAttribute(unsigned Index, StringRef Kind) const; 3050e9d5d059c4aa959e9ef4dff011dbd38d45a1016Bill Wendling 30649f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Return the alignment for the specified function parameter. 3078a6a7bb6a601061031cddd77129532a3b467300bBill Wendling unsigned getParamAlignment(unsigned Index) const; 3088e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 309831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Get the stack alignment. 31019d815c04fde6b7b53c2b542813157edfa213842Bill Wendling unsigned getStackAlignment(unsigned Index) const; 311831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 312831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return the attributes at the index as a string. 313aae0298921d946a64385052ce6e678d36f936fb3Rafael Espindola std::string getAsString(unsigned Index, bool InAttrGrp = false) const; 314831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 31516c4b3cf2943ae2327752cf3de39769d14cfceceBill Wendling typedef ArrayRef<Attribute>::iterator iterator; 31616c4b3cf2943ae2327752cf3de39769d14cfceceBill Wendling 3178a6a7bb6a601061031cddd77129532a3b467300bBill Wendling iterator begin(unsigned Slot) const; 3188a6a7bb6a601061031cddd77129532a3b467300bBill Wendling iterator end(unsigned Slot) const; 31916c4b3cf2943ae2327752cf3de39769d14cfceceBill Wendling 320041221c0972ff575b07f76808c504833d629ae1fChris Lattner /// operator==/!= - Provide equality predicates. 32118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator==(const AttributeSet &RHS) const { 322ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl == RHS.pImpl; 32318e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 32418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator!=(const AttributeSet &RHS) const { 325ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl != RHS.pImpl; 32618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 327710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 32858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 329c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Introspection 33058d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 331710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 332c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // FIXME: Remove this. 333c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling uint64_t Raw(unsigned Index) const; 334c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 33518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return a raw pointer that uniquely identifies this attribute list. 33658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner void *getRawPointer() const { 337ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl; 33858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 339710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 34018e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return true if there are no attributes. 34158d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner bool isEmpty() const { 342aa57893e84ba7a35948fcaa99812ba88e58f4797Bill Wendling return getNumSlots() == 0; 34358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 344710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 34518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return the number of slots used in this attribute list. This is 34618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// the number of arguments that have an attribute set on them (including the 34718e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// function itself). 34858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner unsigned getNumSlots() const; 349710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 350e1f95db4803a48a30fc2a1d5868281a87a36fb85Bill Wendling /// \brief Return the index for the given slot. 35176f103e02164d27b41bd92a9767c7012482ba31aRafael Espindola unsigned getSlotIndex(unsigned Slot) const; 352e1f95db4803a48a30fc2a1d5868281a87a36fb85Bill Wendling 3538e47daf2858e980210f3e1f007036b24da342c29Bill Wendling /// \brief Return the attributes at the given slot. 3548e47daf2858e980210f3e1f007036b24da342c29Bill Wendling AttributeSet getSlotAttributes(unsigned Slot) const; 3558e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 356f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling void dump() const; 35758d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner}; 3584f859aa532dbf061736f9c23e0d0882b5cdfe566Reid Spencer 359a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling//===----------------------------------------------------------------------===// 360a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \class 36116274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling/// \brief Provide DenseMapInfo for AttributeSet. 36216274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendlingtemplate<> struct DenseMapInfo<AttributeSet> { 36316274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static inline AttributeSet getEmptyKey() { 36416274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling uintptr_t Val = static_cast<uintptr_t>(-1); 36516274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling Val <<= PointerLikeTypeTraits<void*>::NumLowBitsAvailable; 36616274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling return AttributeSet(reinterpret_cast<AttributeSetImpl*>(Val)); 367c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 36816274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static inline AttributeSet getTombstoneKey() { 36916274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling uintptr_t Val = static_cast<uintptr_t>(-2); 37016274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling Val <<= PointerLikeTypeTraits<void*>::NumLowBitsAvailable; 37116274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling return AttributeSet(reinterpret_cast<AttributeSetImpl*>(Val)); 372c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 37316274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static unsigned getHashValue(AttributeSet AS) { 37416274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling return (unsigned((uintptr_t)AS.pImpl) >> 4) ^ 37516274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling (unsigned((uintptr_t)AS.pImpl) >> 9); 376c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 37716274258d16342a2f91aaa3690b78ce74e4105f1Bill Wendling static bool isEqual(AttributeSet LHS, AttributeSet RHS) { return LHS == RHS; } 378c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling}; 379c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 380c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling//===----------------------------------------------------------------------===// 381c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling/// \class 382a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \brief This class is used in conjunction with the Attribute::get method to 383a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// create an Attribute object. The object itself is uniquified. The Builder's 384a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// value, however, is not. So this can be used as a quick way to test for 385a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// equality, presence of attributes, etc. 386a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass AttrBuilder { 3873f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer std::bitset<Attribute::EndAttrKinds> Attrs; 388ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling std::map<std::string, std::string> TargetDepAttrs; 389a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t Alignment; 390a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t StackAlignment; 391a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingpublic: 392c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer AttrBuilder() : Attrs(0), Alignment(0), StackAlignment(0) {} 393c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer explicit AttrBuilder(uint64_t Val) 394c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer : Attrs(0), Alignment(0), StackAlignment(0) { 395f9271ea159b97e2febedcf095c3c4122cb24d077Bill Wendling addRawValue(Val); 396a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 397c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer AttrBuilder(const Attribute &A) : Attrs(0), Alignment(0), StackAlignment(0) { 39839da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling addAttribute(A); 399a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 400a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder(AttributeSet AS, unsigned Idx); 40185df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling AttrBuilder(const AttrBuilder &B) 40285df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling : Attrs(B.Attrs), 40385df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling TargetDepAttrs(B.TargetDepAttrs.begin(), B.TargetDepAttrs.end()), 40485df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling Alignment(B.Alignment), StackAlignment(B.StackAlignment) {} 405a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 406a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling void clear(); 407a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 408a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Add an attribute to the builder. 409a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAttribute(Attribute::AttrKind Val); 410a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 41139da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling /// \brief Add the Attribute object to the builder. 41239da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling AttrBuilder &addAttribute(Attribute A); 41339da078977ae98b6bf1c3c76a472ed24f5f2a2d2Bill Wendling 414ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling /// \brief Add the target-dependent attribute to the builder. 415ad19d9c4228718b0ac167d0dfa013d14c3c9f135Bill Wendling AttrBuilder &addAttribute(StringRef A, StringRef V = StringRef()); 416ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling 417a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove an attribute from the builder. 418a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &removeAttribute(Attribute::AttrKind Val); 419a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 42049f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Remove the attributes from the builder. 421e74365462a39529ae48ef4d34ec76b4543b8ea29Bill Wendling AttrBuilder &removeAttributes(AttributeSet A, uint64_t Index); 422a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 423ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling /// \brief Remove the target-dependent attribute to the builder. 424ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling AttrBuilder &removeAttribute(StringRef A); 425ea59f896a672c2e1ef9f02277bce60257aa60989Bill Wendling 42685df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling /// \brief Add the attributes from the builder. 42785df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling AttrBuilder &merge(const AttrBuilder &B); 42885df6b43403d3ebf5d80023a85699c6fb254941aBill Wendling 429a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has the specified attribute. 430c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer bool contains(Attribute::AttrKind A) const { 4313f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer assert((unsigned)A < Attribute::EndAttrKinds && "Attribute out of range!"); 4323f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer return Attrs[A]; 433c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer } 434a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 435c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling /// \brief Return true if the builder has the specified target-dependent 436c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling /// attribute. 437c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling bool contains(StringRef A) const; 438c342d9d345acdbd95577c7c6e9ce7d3a1bdb57bfBill Wendling 439a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has IR-level attributes. 440a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAttributes() const; 441a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 442a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has any attribute that's in the 443a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// specified attribute. 444e74365462a39529ae48ef4d34ec76b4543b8ea29Bill Wendling bool hasAttributes(AttributeSet A, uint64_t Index) const; 445a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 446a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has an alignment attribute. 447a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAlignmentAttr() const; 448a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 449a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the alignment attribute, if it exists. 450a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getAlignment() const { return Alignment; } 451a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 452a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the stack alignment attribute, if it exists. 453a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getStackAlignment() const { return StackAlignment; } 454a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 455a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int alignment (which must be a power of 2) into the 456a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// form used internally in Attribute. 457a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAlignmentAttr(unsigned Align); 458a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 459a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int stack alignment (which must be a power of 2) into 460a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// the form used internally in Attribute. 461a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addStackAlignmentAttr(unsigned Align); 462a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 463c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer /// \brief Return true if the builder contains no target-independent 464c835b8c30127d15599de2d614434d39a6cc3ae17Benjamin Kramer /// attributes. 4653f213e7b3a6829a154d4e8ceb7d8689b389bd5dcBenjamin Kramer bool empty() const { return Attrs.none(); } 46687de71cb9f12d874e88d4f314ab245985c1b36bcBill Wendling 46764754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling // Iterators for target-dependent attributes. 46864754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling typedef std::pair<std::string, std::string> td_type; 46964754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling typedef std::map<std::string, std::string>::iterator td_iterator; 47064754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling typedef std::map<std::string, std::string>::const_iterator td_const_iterator; 47164754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 47264754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_iterator td_begin() { return TargetDepAttrs.begin(); } 47364754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_iterator td_end() { return TargetDepAttrs.end(); } 47464754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 47564754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_const_iterator td_begin() const { return TargetDepAttrs.begin(); } 47664754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling td_const_iterator td_end() const { return TargetDepAttrs.end(); } 47764754f499058b5dc748ea6d06a084af0ed539ec4Bill Wendling 47887de71cb9f12d874e88d4f314ab245985c1b36bcBill Wendling bool td_empty() const { return TargetDepAttrs.empty(); } 47987de71cb9f12d874e88d4f314ab245985c1b36bcBill Wendling 480a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator==(const AttrBuilder &B); 481a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator!=(const AttrBuilder &B) { 482a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling return !(*this == B); 483a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 484c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 485f9271ea159b97e2febedcf095c3c4122cb24d077Bill Wendling // FIXME: Remove this in 4.0. 486c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 487c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief Add the raw value to the internal representation. 488c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling AttrBuilder &addRawValue(uint64_t Val); 489a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling}; 490a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 4918e47daf2858e980210f3e1f007036b24da342c29Bill Wendlingnamespace AttributeFuncs { 4928e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 4938e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// \brief Which attributes cannot be applied to a type. 494e74365462a39529ae48ef4d34ec76b4543b8ea29Bill WendlingAttributeSet typeIncompatible(Type *Ty, uint64_t Index); 4958e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 4968e47daf2858e980210f3e1f007036b24da342c29Bill Wendling} // end AttributeFuncs namespace 4978e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 49827107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling} // end llvm namespace 4996091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 5006091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer#endif 501