Attributes.h revision c22f4aa886443507f8406d30d118fdeeac6a8c6c
1710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov//===-- llvm/Attributes.h - Container for Attributes ------------*- C++ -*-===// 26091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// 36091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// The LLVM Compiler Infrastructure 46091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// 57ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// This file is distributed under the University of Illinois Open Source 67ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// License. See LICENSE.TXT for details. 76091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer// 86091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer//===----------------------------------------------------------------------===// 927107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// 1027107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \file 1127107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \brief This file contains the simple types necessary to represent the 1227107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// attributes associated with functions and their calls. 1327107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// 146091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer//===----------------------------------------------------------------------===// 156091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 16674be02d525d4e24bc6943ed9274958c580bcfbcJakub Staszak#ifndef LLVM_IR_ATTRIBUTES_H 17674be02d525d4e24bc6943ed9274958c580bcfbcJakub Staszak#define LLVM_IR_ATTRIBUTES_H 186091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 19d509d0b532ec2358b3f341d4a4cd1411cb8b5db2Chris Lattner#include "llvm/ADT/ArrayRef.h" 200319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling#include "llvm/ADT/DenseSet.h" 213467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling#include "llvm/ADT/FoldingSet.h" 2222bd64173981bf1251c4b3bfc684207340534ba3Bill Wendling#include "llvm/Support/MathExtras.h" 2322bd64173981bf1251c4b3bfc684207340534ba3Bill Wendling#include <cassert> 2458d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner#include <string> 256091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 266091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencernamespace llvm { 27d426a642a23a234547cbc7061f5bfec157673249Bill Wendling 28702cc91aa1bd41540e8674921ae7ac89a4ff061fBill Wendlingclass AttrBuilder; 29f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendlingclass AttributeImpl; 30a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass Constant; 312c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendlingclass LLVMContext; 32ad9a9e15595bc9d5ba1ed752caf8572957f77a3dDuncan Sandsclass Type; 33ad9a9e15595bc9d5ba1ed752caf8572957f77a3dDuncan Sands 341d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling//===----------------------------------------------------------------------===// 3527107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 3627107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \brief Functions, function parameters, and return types can have attributes 371d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// to indicate how they should be treated by optimizations and code 381d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// generation. This class represents one of those attributes. It's light-weight 391d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling/// and should be passed around by-value. 40034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendlingclass Attribute { 416765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendlingpublic: 421d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// This enumeration lists the attributes that can be associated with 431d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// parameters, function results or the function itself. 44f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 451d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// Note: uwtable is about the ABI or the user mandating an entry in the 4611d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// unwind table. The nounwind attribute is about an exception passing by the 4711d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// function. 48f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 4911d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// In a theoretical system that uses tables for profiling and sjlj for 5011d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// exceptions, they would be fully independent. In a normal system that uses 5111d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// tables for both, the semantics are: 52f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling /// 5311d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// nil = Needs an entry because an exception might pass by. 5411d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// nounwind = No need for an entry 5511d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// uwtable = Needs an entry because the ABI says so and because 5611d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// an exception might pass by. 5711d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling /// uwtable + nounwind = Needs an entry because the ABI says so. 5811d00420e42ba88c3b48cab997965a7be79315e2Bill Wendling 59629fb82419d9bfff6ae475363bcce66192dfcc8eBill Wendling enum AttrKind { 605a0eeb5a9d727940b1dbe8dff6e9aa292ada0f6aBill Wendling // IR-Level Attributes 61480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling None, ///< No attributes have been set 62480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling AddressSafety, ///< Address safety checking is on. 63480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Alignment, ///< Alignment of parameter (5 bits) 646765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< stored as log2 of alignment with +1 bias 65f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendling ///< 0 means unaligned (different from align(1)) 66480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling AlwaysInline, ///< inline=always 67480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ByVal, ///< Pass structure by value 68480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InlineHint, ///< Source said inlining was desirable 69480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling InReg, ///< Force argument to be passed in register 709a419f656e278b96e9dfe739cd63c7bff9a4e1fdQuentin Colombet MinSize, ///< Function must be optimized for size first 71480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Naked, ///< Naked function 72480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling Nest, ///< Nested function static chain 73480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoAlias, ///< Considered to not alias after call 74480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoCapture, ///< Function creates no aliases of pointer 7567ae13575900e8efd056672987249fd0adbf5e73James Molloy NoDuplicate, ///< Call cannot be duplicated 76480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoImplicitFloat, ///< Disable implicit floating point insts 77480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoInline, ///< inline=never 78480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NonLazyBind, ///< Function is called early and/or 793a106e60366a51b4594ec303ff8dbbc58913227fBill Wendling ///< often, so lazy binding isn't worthwhile 80480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoRedZone, ///< Disable redzone 81480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoReturn, ///< Mark the function as not returning 82480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling NoUnwind, ///< Function doesn't unwind stack 83480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling OptimizeForSize, ///< opt_size 84480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadNone, ///< Function does not access memory 85480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReadOnly, ///< Function only reads from memory 86480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling ReturnsTwice, ///< Function can return twice 87480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling SExt, ///< Sign extended before/after call 88480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackAlignment, ///< Alignment of stack for function (3 bits) 896765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< stored as log2 of alignment with +1 bias 0 906765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling ///< means unaligned (different from 91f6670729aabc1fab85238d2b306a1c1767a807bbBill Wendling ///< alignstack=(1)) 92480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtect, ///< Stack protection. 93480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StackProtectReq, ///< Stack protection required. 94114baee1fa017daefad2339c77b45b9ca3d79a41Bill Wendling StackProtectStrong, ///< Strong Stack protection. 95480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling StructRet, ///< Hidden pointer to structure to return 96480b1b28ea6fc1bb5c78d99472df624cfd3fce47Bill Wendling UWTable, ///< Function must be in a unwind table 970319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling ZExt, ///< Zero extended before/after call 980319888773b36dd61d7d2283cb9a26cac1e5abe8Bill Wendling 993a4779a9211281a1d0c27c97037342329035a185NAKAMURA Takumi EndAttrKinds, ///< Sentinal value useful for loops 1003a4779a9211281a1d0c27c97037342329035a185NAKAMURA Takumi 1016f78fbbc630d2b86fb752574f5ad74473f57dfb1Chandler Carruth AttrKindEmptyKey, ///< Empty key value for DenseMapInfo 1026f78fbbc630d2b86fb752574f5ad74473f57dfb1Chandler Carruth AttrKindTombstoneKey ///< Tombstone key value for DenseMapInfo 1036765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendling }; 1046765834754cbb3cb0f15b4b15e98c5e73fa50066Bill Wendlingprivate: 10527107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling AttributeImpl *pImpl; 10627107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute(AttributeImpl *A) : pImpl(A) {} 107d426a642a23a234547cbc7061f5bfec157673249Bill Wendlingpublic: 10827107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling Attribute() : pImpl(0) {} 1092c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 110c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 111c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // Attribute Construction 112c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 113c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 114c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Return a uniquified Attribute object. 1156bdbf061c353295669b6bfc271b948158602d1bcBill Wendling static Attribute get(LLVMContext &Context, AttrKind Kind); 116034b94b17006f51722886b0f2283fb6fb19aca1fBill Wendling static Attribute get(LLVMContext &Context, AttrBuilder &B); 1172c79ecbd704c656178ffa43d5a58ebe3ca188b40Bill Wendling 118c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Return a uniquified Attribute object that has the specific 119c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// alignment set. 120c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling static Attribute getWithAlignment(LLVMContext &Context, uint64_t Align); 121c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling static Attribute getWithStackAlignment(LLVMContext &Context, uint64_t Align); 122c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling 123c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 124c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // Attribute Accessors 125c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling //===--------------------------------------------------------------------===// 126c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 1271d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Return true if the attribute is present. 128629fb82419d9bfff6ae475363bcce66192dfcc8eBill Wendling bool hasAttribute(AttrKind Val) const; 1292e879bcd52583335c753c005d203bf2ffe8b67b5Bill Wendling 1301d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Return true if attributes exist 13105cc40d20c0f3b2f1bd5cb86ceb9f32d07cae110Bill Wendling bool hasAttributes() const; 1322e879bcd52583335c753c005d203bf2ffe8b67b5Bill Wendling 1331d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the alignment field of an attribute as a byte alignment 134ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling /// value. 135e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getAlignment() const; 136ef99fe8efaa6cb74c66e570a6ef467debca92911Bill Wendling 1371d3dcfe4246b4d45fa78a8dfd0a11c7fff842c15Bill Wendling /// \brief Returns the stack alignment field of an attribute as a byte 138943c29135e03e55f9a5dab393786171a4a536482Bill Wendling /// alignment value. 139e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling unsigned getStackAlignment() const; 14030b483c94001927b3593ed200e823104bab51660Bill Wendling 141c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief The Attribute is converted to a string of equivalent mnemonic. This 142c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// is, presumably, for writing out the mnemonics for the assembly writer. 143c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling std::string getAsString() const; 144c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 14560507d53e7e8e6b0c537675f68204a93c3033de7Bill Wendling /// \brief Equality and non-equality query methods. 14692e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling bool operator==(AttrKind K) const; 14792e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling bool operator!=(AttrKind K) const; 14892e287f5bde8d34af9c3f2979afb6cd05bfb452cBill Wendling 1492d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling bool operator==(Attribute A) const { return pImpl == A.pImpl; } 1502d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling bool operator!=(Attribute A) const { return pImpl != A.pImpl; } 1512d5be6c313c0f9e23e56620fa8f8ae8d9b539bf0Bill Wendling 152c08a5ef6581f2c7550e92d31f63cd65ec29c39e0Bill Wendling /// \brief Less-than operator. Useful for sorting the attributes list. 1533467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling bool operator<(Attribute A) const; 1543467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling 155bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling void Profile(FoldingSetNodeID &ID) const { 156bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling ID.AddPointer(pImpl); 157bb08593980b16fbd9758da6ca4fa9c7964f2f926Bill Wendling } 1583467e30edf63b6d8a8d446186674ba9e4b7885a9Bill Wendling 159c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // FIXME: Remove this. 1601db9b6957c2565a2322206bd5907530895f1c7acBill Wendling uint64_t Raw() const; 161827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands}; 162827cde1c8319e51463007078a7ce3660ebc93036Duncan Sands 163e66f3d3ba0ea9f82f65a29c47fc37e997cbf0aceBill Wendling//===----------------------------------------------------------------------===// 16499faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendling// AttributeSet Smart Pointer 16558d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner//===----------------------------------------------------------------------===// 16658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner 167a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass AttrBuilder; 16818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendlingclass AttributeSetImpl; 16987e10dfefa94f77937c37b0eb51095540d675cbcBill Wendlingclass AttributeSetNode; 170710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 17118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling//===----------------------------------------------------------------------===// 17227107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \class 17327107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling/// \brief This class manages the ref count for the opaque AttributeSetImpl 17418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling/// object and provides accessors for it. 17599faa3b4ec6d03ac7808fe4ff3fbf3d04e375502Bill Wendlingclass AttributeSet { 17607aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingpublic: 17707aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling enum AttrIndex { 17807aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling ReturnIndex = 0U, 17907aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling FunctionIndex = ~0U 18007aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendling }; 18107aae2e7d58fe23e370e0cbb9e1a3def99434c36Bill Wendlingprivate: 182a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling friend class AttrBuilder; 1837d38c109aab8654e63e9071c7d948661f6b58433Bill Wendling friend class AttributeSetImpl; 184a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 18518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes that we are managing. This can be null to represent 1860976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling /// the empty attributes list. 187ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSetImpl *pImpl; 1880976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 18918e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the specified index are returned. Attributes 1900976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling /// for the result are denoted with Idx = 0. 19153ff78b2019e96e142986d19dd99f8dd563dc494NAKAMURA Takumi Attribute getAttributes(unsigned Idx) const; 1920976e00fd1cbf4128daeb72efd8957d00383fda9Bill Wendling 19387e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling /// \brief Create an AttributeSet with the specified parameters in it. 19487e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet get(LLVMContext &C, 1956bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, Attribute> > Attrs); 19687e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet get(LLVMContext &C, 1976bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, 19887e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling AttributeSetNode*> > Attrs); 19987e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling 20087e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling static AttributeSet getImpl(LLVMContext &C, 2016bdbf061c353295669b6bfc271b948158602d1bcBill Wendling ArrayRef<std::pair<unsigned, 20287e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling AttributeSetNode*> > Attrs); 20387e10dfefa94f77937c37b0eb51095540d675cbcBill Wendling 2047d38c109aab8654e63e9071c7d948661f6b58433Bill Wendling 205ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling explicit AttributeSet(AttributeSetImpl *LI) : pImpl(LI) {} 20658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattnerpublic: 207ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSet() : pImpl(0) {} 208ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling AttributeSet(const AttributeSet &P) : pImpl(P.pImpl) {} 209d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling const AttributeSet &operator=(const AttributeSet &RHS) { 210d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling pImpl = RHS.pImpl; 211d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling return *this; 212d05204aea4977eaec25e96bc7605a7bb9d806fc0Bill Wendling } 213710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 21458d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 215c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Construction and Mutation 21658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 217710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 21818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return an AttributeSet with the specified parameters in it. 2198e47daf2858e980210f3e1f007036b24da342c29Bill Wendling static AttributeSet get(LLVMContext &C, ArrayRef<AttributeSet> Attrs); 22028d65722d6f283b327b5815914382077fe9c0ab4Bill Wendling static AttributeSet get(LLVMContext &C, unsigned Idx, 22132a57958226e369f964a034da2ce7083a1a34297Bill Wendling ArrayRef<Attribute::AttrKind> Kind); 2221bbd644301ed4d8a7efd4ceb15f71c56fa914f28Bill Wendling static AttributeSet get(LLVMContext &C, unsigned Idx, AttrBuilder &B); 22358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner 224defaca00b8087d452df2b783250a48a32658a910Bill Wendling /// \brief Add an attribute to the attribute set at the given index. Since 225defaca00b8087d452df2b783250a48a32658a910Bill Wendling /// attribute sets are immutable, this returns a new set. 226defaca00b8087d452df2b783250a48a32658a910Bill Wendling AttributeSet addAttribute(LLVMContext &C, unsigned Idx, 227defaca00b8087d452df2b783250a48a32658a910Bill Wendling Attribute::AttrKind Attr) const; 228710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 229e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling /// \brief Add attributes to the attribute set at the given index. Since 230e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling /// attribute sets are immutable, this returns a new set. 231e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling AttributeSet addAttributes(LLVMContext &C, unsigned Idx, 232e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling AttributeSet Attrs) const; 233e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling 2341b0c54f1c5dd61e56cb7cbc435fcb3319cff628fBill Wendling /// \brief Add return attributes to this attribute set. Since attribute sets 2351b0c54f1c5dd61e56cb7cbc435fcb3319cff628fBill Wendling /// are immutable, this returns a new set. 236e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling AttributeSet addRetAttributes(LLVMContext &C, AttributeSet Attrs) const { 237e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling return addAttributes(C, ReturnIndex, Attrs); 238e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling } 2391b0c54f1c5dd61e56cb7cbc435fcb3319cff628fBill Wendling 240956f13440a4aa0297606a4412f4aa091d931592aBill Wendling /// \brief Add function attributes to this attribute set. Since attribute sets 241956f13440a4aa0297606a4412f4aa091d931592aBill Wendling /// are immutable, this returns a new set. 242e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling AttributeSet addFnAttributes(LLVMContext &C, AttributeSet Attrs) const { 243e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling return addAttributes(C, FunctionIndex, Attrs); 244e4e85f17564c28cd571dda30146c3f310521acf0Bill Wendling } 245956f13440a4aa0297606a4412f4aa091d931592aBill Wendling 24618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Remove the specified attribute at the specified index from this 2478246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 24818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// list. 2498246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling AttributeSet removeAttribute(LLVMContext &C, unsigned Idx, 2508246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling Attribute::AttrKind Attr) const; 2518246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling 2528246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// \brief Remove the specified attributes at the specified index from this 2538246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// attribute list. Since attribute lists are immutable, this returns the new 2548246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling /// list. 2558246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling AttributeSet removeAttributes(LLVMContext &C, unsigned Idx, 2568246df61f6de716acf1f8c64fac3c19970a2c174Bill Wendling AttributeSet Attrs) const; 257710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 25858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 259c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Accessors 26058d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 26118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling 26218e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the specified index are returned. 26328d65722d6f283b327b5815914382077fe9c0ab4Bill Wendling AttributeSet getParamAttributes(unsigned Idx) const; 26419c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 26518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The attributes for the ret value are returned. 2663fc4b96b503fa202411317684a2ba02e41e43072Bill Wendling AttributeSet getRetAttributes() const; 26719c874638d9478a5d5028854817a5ee72293bb2bDevang Patel 26818e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief The function attributes are returned. 269c5f1bc88a2eb7ad9ff924ca90cf88494e5f947b9Bill Wendling AttributeSet getFnAttributes() const; 270710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 271831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if the attribute exists at the given index. 27219d815c04fde6b7b53c2b542813157edfa213842Bill Wendling bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const; 273831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 274831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return true if attribute exists at the given index. 27519d815c04fde6b7b53c2b542813157edfa213842Bill Wendling bool hasAttributes(unsigned Index) const; 276831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 277c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief Return true if the specified attribute is set for at least one 278c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// parameter or for the return value. 279c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling bool hasAttrSomewhere(Attribute::AttrKind Attr) const; 280c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 28149f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Return the alignment for the specified function parameter. 28219d815c04fde6b7b53c2b542813157edfa213842Bill Wendling unsigned getParamAlignment(unsigned Idx) const; 2838e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 284831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Get the stack alignment. 28519d815c04fde6b7b53c2b542813157edfa213842Bill Wendling unsigned getStackAlignment(unsigned Index) const; 286831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 287831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling /// \brief Return the attributes at the index as a string. 28819d815c04fde6b7b53c2b542813157edfa213842Bill Wendling std::string getAsString(unsigned Index) const; 289831737d329a727f53a1fb0572f7b7a8127208881Bill Wendling 290041221c0972ff575b07f76808c504833d629ae1fChris Lattner /// operator==/!= - Provide equality predicates. 29118e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator==(const AttributeSet &RHS) const { 292ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl == RHS.pImpl; 29318e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 29418e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling bool operator!=(const AttributeSet &RHS) const { 295ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl != RHS.pImpl; 29618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling } 297710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 29858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 299c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // AttributeSet Introspection 30058d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner //===--------------------------------------------------------------------===// 301710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 302c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // FIXME: Remove this. 303c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling uint64_t Raw(unsigned Index) const; 304c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 30518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return a raw pointer that uniquely identifies this attribute list. 30658d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner void *getRawPointer() const { 307ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl; 30858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 309710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 31018e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return true if there are no attributes. 31158d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner bool isEmpty() const { 312ec2589863b32da169240c4fa120ef1e3798615d4Bill Wendling return pImpl == 0; 31358d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner } 314710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 31518e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// \brief Return the number of slots used in this attribute list. This is 31618e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// the number of arguments that have an attribute set on them (including the 31718e7211068c9d2c6204512f9c468ee179818a4b6Bill Wendling /// function itself). 31858d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner unsigned getNumSlots() const; 319710632d07b13609444626367bebd34c0af3acb6aMikhail Glushenkov 320e1f95db4803a48a30fc2a1d5868281a87a36fb85Bill Wendling /// \brief Return the index for the given slot. 3213e3e789aede6ec38d39c95d88ad4e8634d5a259bBill Wendling uint64_t getSlotIndex(unsigned Slot) const; 322e1f95db4803a48a30fc2a1d5868281a87a36fb85Bill Wendling 3238e47daf2858e980210f3e1f007036b24da342c29Bill Wendling /// \brief Return the attributes at the given slot. 3248e47daf2858e980210f3e1f007036b24da342c29Bill Wendling AttributeSet getSlotAttributes(unsigned Slot) const; 3258e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 326f3d1500ab2c7364d3d0fb73a7e1b8c6339ab48b1Bill Wendling void dump() const; 32758d74910c6b82e622ecbb57d6644d48fec5a5c0fChris Lattner}; 3284f859aa532dbf061736f9c23e0d0882b5cdfe566Reid Spencer 329a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling//===----------------------------------------------------------------------===// 330a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \class 331c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling/// \brief Provide DenseMapInfo for Attribute::AttrKinds. This is used by 332c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling/// AttrBuilder. 333c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendlingtemplate<> struct DenseMapInfo<Attribute::AttrKind> { 334c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling static inline Attribute::AttrKind getEmptyKey() { 335c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling return Attribute::AttrKindEmptyKey; 336c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 337c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling static inline Attribute::AttrKind getTombstoneKey() { 338c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling return Attribute::AttrKindTombstoneKey; 339c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 340c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling static unsigned getHashValue(const Attribute::AttrKind &Val) { 341c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling return Val * 37U; 342c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 343c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling static bool isEqual(const Attribute::AttrKind &LHS, 344c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling const Attribute::AttrKind &RHS) { 345c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling return LHS == RHS; 346c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling } 347c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling}; 348c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 349c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling//===----------------------------------------------------------------------===// 350c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling/// \class 351a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// \brief This class is used in conjunction with the Attribute::get method to 352a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// create an Attribute object. The object itself is uniquified. The Builder's 353a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// value, however, is not. So this can be used as a quick way to test for 354a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling/// equality, presence of attributes, etc. 355a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingclass AttrBuilder { 356a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling DenseSet<Attribute::AttrKind> Attrs; 357a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t Alignment; 358a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t StackAlignment; 359a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendlingpublic: 360a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder() : Alignment(0), StackAlignment(0) {} 361a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling explicit AttrBuilder(uint64_t B) : Alignment(0), StackAlignment(0) { 362a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling addRawValue(B); 363a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 364a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder(const Attribute &A) : Alignment(0), StackAlignment(0) { 365a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling addAttributes(A); 366a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 367a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder(AttributeSet AS, unsigned Idx); 368a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 369a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling void clear(); 370a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 371a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Add an attribute to the builder. 372a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAttribute(Attribute::AttrKind Val); 373a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 374a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove an attribute from the builder. 375a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &removeAttribute(Attribute::AttrKind Val); 376a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 37749f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Add the attributes to the builder. 37849f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling AttrBuilder &addAttributes(Attribute A); 37949f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling 38049f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Remove the attributes from the builder. 38149f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling AttrBuilder &removeAttributes(Attribute A); 382a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 38349f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling /// \brief Add the attributes to the builder. 38449f6060f16aec4024d644a6ec4ddd3de9b3e8821Bill Wendling AttrBuilder &addAttributes(AttributeSet A); 385a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 386a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has the specified attribute. 387a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool contains(Attribute::AttrKind A) const; 388a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 389a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has IR-level attributes. 390a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAttributes() const; 391a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 392a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has any attribute that's in the 393a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// specified attribute. 394a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAttributes(const Attribute &A) const; 395a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 396a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Return true if the builder has an alignment attribute. 397a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool hasAlignmentAttr() const; 398a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 399a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the alignment attribute, if it exists. 400a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getAlignment() const { return Alignment; } 401a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 402a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Retrieve the stack alignment attribute, if it exists. 403a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling uint64_t getStackAlignment() const { return StackAlignment; } 404a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 405a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int alignment (which must be a power of 2) into the 406a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// form used internally in Attribute. 407a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addAlignmentAttr(unsigned Align); 408a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 409a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief This turns an int stack alignment (which must be a power of 2) into 410a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// the form used internally in Attribute. 411a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling AttrBuilder &addStackAlignmentAttr(unsigned Align); 412a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 413a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling typedef DenseSet<Attribute::AttrKind>::iterator iterator; 414a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling typedef DenseSet<Attribute::AttrKind>::const_iterator const_iterator; 415a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 416c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling iterator begin() { return Attrs.begin(); } 417c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling iterator end() { return Attrs.end(); } 418a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling const_iterator begin() const { return Attrs.begin(); } 419a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling const_iterator end() const { return Attrs.end(); } 420a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 421a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling /// \brief Remove attributes that are used on functions only. 422a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling void removeFunctionOnlyAttrs() { 423a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling removeAttribute(Attribute::NoReturn) 424a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoUnwind) 425a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::ReadNone) 426a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::ReadOnly) 427a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoInline) 428a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::AlwaysInline) 429a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::OptimizeForSize) 430a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::StackProtect) 431a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::StackProtectReq) 432114baee1fa017daefad2339c77b45b9ca3d79a41Bill Wendling .removeAttribute(Attribute::StackProtectStrong) 433a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoRedZone) 434a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoImplicitFloat) 435a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::Naked) 436a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::InlineHint) 437a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::StackAlignment) 438a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::UWTable) 439a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NonLazyBind) 440a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::ReturnsTwice) 441a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::AddressSafety) 442a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::MinSize) 443a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling .removeAttribute(Attribute::NoDuplicate); 444a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 445a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 446a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator==(const AttrBuilder &B); 447a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling bool operator!=(const AttrBuilder &B) { 448a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling return !(*this == B); 449a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling } 450c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 451c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling // FIXME: Remove these. 452c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 453c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// \brief Add the raw value to the internal representation. 454c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// 455c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling /// N.B. This should be used ONLY for decoding LLVM bitcode! 456c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling AttrBuilder &addRawValue(uint64_t Val); 457c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling 458c22f4aa886443507f8406d30d118fdeeac6a8c6cBill Wendling uint64_t Raw() const; 459a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling}; 460a90a99a82b9c5c39fc6dbee9c266dcd7b107fe2fBill Wendling 4618e47daf2858e980210f3e1f007036b24da342c29Bill Wendlingnamespace AttributeFuncs { 4628e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 4638e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// \brief Which attributes cannot be applied to a type. 4648e47daf2858e980210f3e1f007036b24da342c29Bill WendlingAttribute typeIncompatible(Type *Ty); 4658e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 4668e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// \brief This returns an integer containing an encoding of all the LLVM 4678e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// attributes found in the given attribute bitset. Any change to this encoding 4688e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// is a breaking change to bitcode compatibility. 4698e47daf2858e980210f3e1f007036b24da342c29Bill Wendlinguint64_t encodeLLVMAttributesForBitcode(AttributeSet Attrs, unsigned Index); 4708e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 4718e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// \brief This returns an attribute bitset containing the LLVM attributes that 4728e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// have been decoded from the given integer. This function must stay in sync 4738e47daf2858e980210f3e1f007036b24da342c29Bill Wendling/// with 'encodeLLVMAttributesForBitcode'. 4748e47daf2858e980210f3e1f007036b24da342c29Bill WendlingAttribute decodeLLVMAttributesForBitcode(LLVMContext &C, 4758e47daf2858e980210f3e1f007036b24da342c29Bill Wendling uint64_t EncodedAttrs); 4768e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 4778e47daf2858e980210f3e1f007036b24da342c29Bill Wendling} // end AttributeFuncs namespace 4788e47daf2858e980210f3e1f007036b24da342c29Bill Wendling 47927107f6ab4627fa38bcacad6757ed6d52910f880Bill Wendling} // end llvm namespace 4806091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer 4816091ebd172a16a10f1ea66061a5fa7cbf5139e56Reid Spencer#endif 482