TargetInfo.h revision b6a169395c1b30c76daffebcbd2164b6247a5d21
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- TargetInfo.h - Expose information about the target -----*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 102b59a2cbfdb93fcf1a4a303e1ea7753ff1c7b319Nate Begeman// This file defines the TargetInfo interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_BASIC_TARGETINFO_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_BASIC_TARGETINFO_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17868bd0aa9281929ef50d2e9a8c82a036906f53f5Daniel Dunbar// FIXME: Daniel isn't smart enough to use a prototype for this. 18868bd0aa9281929ef50d2e9a8c82a036906f53f5Daniel Dunbar#include "llvm/ADT/StringMap.h" 191752ee4849f4c37f5e03193e658be92650b0e65aDaniel Dunbar#include "llvm/ADT/Triple.h" 209f8eb2032030482b1d3de86e9bee725d93564302Chandler Carruth#include "llvm/System/DataTypes.h" 215414fbac5f1749c0e85a8c4eeb5dfece59c3e30aTorok Edwin#include <cassert> 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <string> 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattnernamespace llvm { 26797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattnerstruct fltSemantics; 27797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattnerclass StringRef; 28797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner} 29525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Diagnostic; 32d58c03f42ebb4e548c2b53fa25b1cfe02ebb9ac0Daniel Dunbarclass LangOptions; 33103b71c37a3c3a3da7128c1d0232a89b1e8d0d90Chandler Carruthclass MacroBuilder; 34797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattnerclass SourceLocation; 357a9d49fd2bfac00e905b361ba76d26ab5b6c3b09Ted Kremenekclass SourceManager; 36d58c03f42ebb4e548c2b53fa25b1cfe02ebb9ac0Daniel Dunbarclass TargetOptions; 37d58c03f42ebb4e548c2b53fa25b1cfe02ebb9ac0Daniel Dunbar 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace Builtin { struct Info; } 391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4042e6737f2efb113563140ad794c21c7709250402Chris Lattner/// TargetInfo - This class exposes information about the current target. 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TargetInfo { 431752ee4849f4c37f5e03193e658be92650b0e65aDaniel Dunbar llvm::Triple Triple; 440eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattnerprotected: 45cd4fc42896f926ffc081e1c4a8bf4cd647883c14Chris Lattner // Target values set by the ctor of the actual target implementation. Default 46cd4fc42896f926ffc081e1c4a8bf4cd647883c14Chris Lattner // values are specified by the TargetInfo constructor. 47b030f0272500c6c5602f587ac029ee0dc0e5a05cEli Friedman bool TLSSupported; 48927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner unsigned char PointerWidth, PointerAlign; 49927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner unsigned char IntWidth, IntAlign; 5061538a7d1336f3ef3cb81e09f11a1cbb282bcf81Eli Friedman unsigned char FloatWidth, FloatAlign; 51927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner unsigned char DoubleWidth, DoubleAlign; 5261538a7d1336f3ef3cb81e09f11a1cbb282bcf81Eli Friedman unsigned char LongDoubleWidth, LongDoubleAlign; 53927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner unsigned char LongWidth, LongAlign; 54927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner unsigned char LongLongWidth, LongLongAlign; 5577e8b53fe3ff630d8d1454db94e38bedda14d5caDaniel Dunbar const char *DescriptionString; 563fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner const char *UserLabelPrefix; 57cd4fc42896f926ffc081e1c4a8bf4cd647883c14Chris Lattner const llvm::fltSemantics *FloatFormat, *DoubleFormat, *LongDoubleFormat; 58264a76cdf382c507f4d43e64c89f1503f003ac95Anton Korobeynikov unsigned char RegParmMax, SSERegParmMax; 59bbced580c92afa09cd4423a9bdc90ff61cb1e79aTed Kremenek 60cd4fc42896f926ffc081e1c4a8bf4cd647883c14Chris Lattner // TargetInfo Constructor. Default initializes all fields. 61cd4fc42896f926ffc081e1c4a8bf4cd647883c14Chris Lattner TargetInfo(const std::string &T); 621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 64d58c03f42ebb4e548c2b53fa25b1cfe02ebb9ac0Daniel Dunbar /// CreateTargetInfo - Construct a target for the given options. 65b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar /// 66b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar /// \param Opts - The options to use to initialize the target. The target may 67b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar /// modify the options to canonicalize the target feature information to match 68b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar /// what the backend expects. 69b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar static TargetInfo* CreateTargetInfo(Diagnostic &Diags, TargetOptions &Opts); 70bbced580c92afa09cd4423a9bdc90ff61cb1e79aTed Kremenek 710eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner virtual ~TargetInfo(); 72fb79f7cc00f9c1e04f11ed636eefb36d246b0fb8Ted Kremenek 739c4bea1fa7291035325575c02d33552a124d8ef3Chris Lattner ///===---- Target Data Type Query Methods -------------------------------===// 7431fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta enum IntType { 752b5abf515f9696912452f431c7738691cf97f4f1Chris Lattner NoInt = 0, 7631fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta SignedShort, 7731fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta UnsignedShort, 7831fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta SignedInt, 7931fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta UnsignedInt, 8031fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta SignedLong, 8131fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta UnsignedLong, 8231fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta SignedLongLong, 8331fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta UnsignedLongLong 843fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattner }; 853fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattnerprotected: 863c7b6e46c5f9bdbe0676c52d80df98b68b02be99Eli Friedman IntType SizeType, IntMaxType, UIntMaxType, PtrDiffType, IntPtrType, WCharType, 879cf910efc4fb7001a6d276ed2eabf01f0f0efaaaEdward O'Callaghan WIntType, Char16Type, Char32Type, Int64Type, SigAtomicType; 88b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar 89b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar /// Control whether the alignment of bit-field types is respected when laying 90b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar /// out structures. If true, then the alignment of the bit-field type will be 91b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar /// used to (a) impact the alignment of the containing structure, and (b) 92b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar /// ensure that the individual bit-field will not straddle an alignment 93b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar /// boundary. 94b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar unsigned UseBitfieldTypeAlignment : 1; 95b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar 963fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattnerpublic: 973fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattner IntType getSizeType() const { return SizeType; } 983fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattner IntType getIntMaxType() const { return IntMaxType; } 993fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattner IntType getUIntMaxType() const { return UIntMaxType; } 1003fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattner IntType getPtrDiffType(unsigned AddrSpace) const { 10131fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta return AddrSpace == 0 ? PtrDiffType : getPtrDiffTypeV(AddrSpace); 10231fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta } 1036ad474f82f0cf32e13128d89fa5ad3a37ae73530Chris Lattner IntType getIntPtrType() const { return IntPtrType; } 1043fa8f7491a6a6c1445768ea23ec85d3554c3ba98Chris Lattner IntType getWCharType() const { return WCharType; } 105e64ef80363c84f4f431e26b61db554c89beeddb6Chris Lattner IntType getWIntType() const { return WIntType; } 106f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith IntType getChar16Type() const { return Char16Type; } 107f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith IntType getChar32Type() const { return Char32Type; } 1083c7b6e46c5f9bdbe0676c52d80df98b68b02be99Eli Friedman IntType getInt64Type() const { return Int64Type; } 1099cf910efc4fb7001a6d276ed2eabf01f0f0efaaaEdward O'Callaghan IntType getSigAtomicType() const { return SigAtomicType; } 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 111b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner 112b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner /// getTypeWidth - Return the width (in bits) of the specified integer type 113b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner /// enum. For example, SignedInt -> getIntWidth(). 114b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner unsigned getTypeWidth(IntType T) const; 115b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner 1169099e7bcda3922cee0cffcdf21332ac4aa193ceaChris Lattner /// getTypeAlign - Return the alignment (in bits) of the specified integer 1179099e7bcda3922cee0cffcdf21332ac4aa193ceaChris Lattner /// type enum. For example, SignedInt -> getIntAlign(). 1189099e7bcda3922cee0cffcdf21332ac4aa193ceaChris Lattner unsigned getTypeAlign(IntType T) const; 1199099e7bcda3922cee0cffcdf21332ac4aa193ceaChris Lattner 120961f0708fb66375acf47f9e9bc1aecfb3f992aeaChris Lattner /// isTypeSigned - Return whether an integer types is signed. Returns true if 121b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner /// the type is signed; false otherwise. 122961f0708fb66375acf47f9e9bc1aecfb3f992aeaChris Lattner bool isTypeSigned(IntType T) const; 123b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner 124f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner /// getPointerWidth - Return the width of pointers on this target, for the 125927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner /// specified address space. 126927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner uint64_t getPointerWidth(unsigned AddrSpace) const { 127927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner return AddrSpace == 0 ? PointerWidth : getPointerWidthV(AddrSpace); 128927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner } 129927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner uint64_t getPointerAlign(unsigned AddrSpace) const { 130927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner return AddrSpace == 0 ? PointerAlign : getPointerAlignV(AddrSpace); 131927686fe8c968ca786fa44d2353eebf59c4f5b8aChris Lattner } 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1339e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getBoolWidth/Align - Return the size of '_Bool' and C++ 'bool' for this 1349e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// target, in bits. 1359e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner unsigned getBoolWidth(bool isWide = false) const { return 8; } // FIXME 1369e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner unsigned getBoolAlign(bool isWide = false) const { return 8; } // FIXME 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith unsigned getCharWidth() const { return 8; } // FIXME 139f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith unsigned getCharAlign() const { return 8; } // FIXME 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getShortWidth/Align - Return the size of 'signed short' and 1421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 'unsigned short' for this target, in bits. 1439e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner unsigned getShortWidth() const { return 16; } // FIXME 1449e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner unsigned getShortAlign() const { return 16; } // FIXME 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1469e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getIntWidth/Align - Return the size of 'signed int' and 'unsigned int' for 1479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// this target, in bits. 1482621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner unsigned getIntWidth() const { return IntWidth; } 1492621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner unsigned getIntAlign() const { return IntAlign; } 1501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1519e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getLongWidth/Align - Return the size of 'signed long' and 'unsigned long' 1529e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// for this target, in bits. 1538059e997ee05e4aa87f7e21fed630429a140ee53Chris Lattner unsigned getLongWidth() const { return LongWidth; } 1548059e997ee05e4aa87f7e21fed630429a140ee53Chris Lattner unsigned getLongAlign() const { return LongAlign; } 1551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1569e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getLongLongWidth/Align - Return the size of 'signed long long' and 1579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// 'unsigned long long' for this target, in bits. 158ec10f5886526124ba733fbd0ef8665d576285daaChris Lattner unsigned getLongLongWidth() const { return LongLongWidth; } 159ec10f5886526124ba733fbd0ef8665d576285daaChris Lattner unsigned getLongLongAlign() const { return LongLongAlign; } 1601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 161f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith /// getWCharWidth/Align - Return the size of 'wchar_t' for this target, in 1629e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// bits. 1639184646509d015ea66e796113a8c68598681374bChris Lattner unsigned getWCharWidth() const { return getTypeWidth(WCharType); } 1649184646509d015ea66e796113a8c68598681374bChris Lattner unsigned getWCharAlign() const { return getTypeAlign(WCharType); } 165f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner 166f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith /// getChar16Width/Align - Return the size of 'char16_t' for this target, in 167f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith /// bits. 1689184646509d015ea66e796113a8c68598681374bChris Lattner unsigned getChar16Width() const { return getTypeWidth(Char16Type); } 1699184646509d015ea66e796113a8c68598681374bChris Lattner unsigned getChar16Align() const { return getTypeAlign(Char16Type); } 170f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 171f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith /// getChar32Width/Align - Return the size of 'char32_t' for this target, in 172f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith /// bits. 1739184646509d015ea66e796113a8c68598681374bChris Lattner unsigned getChar32Width() const { return getTypeWidth(Char32Type); } 1749184646509d015ea66e796113a8c68598681374bChris Lattner unsigned getChar32Align() const { return getTypeAlign(Char32Type); } 175f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 1769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getFloatWidth/Align/Format - Return the size/align/format of 'float'. 17761538a7d1336f3ef3cb81e09f11a1cbb282bcf81Eli Friedman unsigned getFloatWidth() const { return FloatWidth; } 17861538a7d1336f3ef3cb81e09f11a1cbb282bcf81Eli Friedman unsigned getFloatAlign() const { return FloatAlign; } 179b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getFloatFormat() const { return *FloatFormat; } 1809e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner 1819e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getDoubleWidth/Align/Format - Return the size/align/format of 'double'. 182c8b1227fa8c17d9881815e40c04e19334be536f8Nate Begeman unsigned getDoubleWidth() const { return DoubleWidth; } 183c8b1227fa8c17d9881815e40c04e19334be536f8Nate Begeman unsigned getDoubleAlign() const { return DoubleAlign; } 184b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getDoubleFormat() const { return *DoubleFormat; } 1859e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner 1869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// getLongDoubleWidth/Align/Format - Return the size/align/format of 'long 1879e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner /// double'. 18861538a7d1336f3ef3cb81e09f11a1cbb282bcf81Eli Friedman unsigned getLongDoubleWidth() const { return LongDoubleWidth; } 18961538a7d1336f3ef3cb81e09f11a1cbb282bcf81Eli Friedman unsigned getLongDoubleAlign() const { return LongDoubleAlign; } 190b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner const llvm::fltSemantics &getLongDoubleFormat() const { 191b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner return *LongDoubleFormat; 192cd4fc42896f926ffc081e1c4a8bf4cd647883c14Chris Lattner } 1931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getIntMaxTWidth - Return the size of intmax_t and uintmax_t for this 1951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// target, in bits. 1960eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner unsigned getIntMaxTWidth() const { 1979184646509d015ea66e796113a8c68598681374bChris Lattner return getTypeWidth(IntMaxType); 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2003fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner /// getUserLabelPrefix - This returns the default value of the 2013fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner /// __USER_LABEL_PREFIX__ macro, which is the prefix given to user symbols by 2023fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner /// default. On most platforms this is "_", but it is "" on some, and "." on 2033fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner /// others. 2043fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner const char *getUserLabelPrefix() const { 2053fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner return UserLabelPrefix; 2063fdf4678935b27c3d3fd4eb10bf9f5ab98dc0d99Chris Lattner } 2071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 208b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar bool useBitfieldTypeAlignment() const { 209b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar return UseBitfieldTypeAlignment; 210b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar } 211b6a169395c1b30c76daffebcbd2164b6247a5d21Daniel Dunbar 2122b5abf515f9696912452f431c7738691cf97f4f1Chris Lattner /// getTypeName - Return the user string for the specified integer type enum. 2132b5abf515f9696912452f431c7738691cf97f4f1Chris Lattner /// For example, SignedShort -> "short". 2142b5abf515f9696912452f431c7738691cf97f4f1Chris Lattner static const char *getTypeName(IntType T); 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 216b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner /// getTypeConstantSuffix - Return the constant suffix for the specified 217b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner /// integer type enum. For example, SignedLong -> "L". 218b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner static const char *getTypeConstantSuffix(IntType T); 219b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner 2209c4bea1fa7291035325575c02d33552a124d8ef3Chris Lattner ///===---- Other target property query methods --------------------------===// 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2229c4bea1fa7291035325575c02d33552a124d8ef3Chris Lattner /// getTargetDefines - Appends the target-specific #define values for this 2239c4bea1fa7291035325575c02d33552a124d8ef3Chris Lattner /// target set to the specified buffer. 22433328642a7a8a126918814ddcbcebf83c121ad54Chris Lattner virtual void getTargetDefines(const LangOptions &Opts, 225a99927774d07af9c6f0e1945531eadc910592945Benjamin Kramer MacroBuilder &Builder) const = 0; 2261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 227b304f77cb621a47221f2aa2d35acdb5c730421ffChris Lattner 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getTargetBuiltins - Return information about target-specific builtins for 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the current primary target, and info about which builtins are non-portable 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// across the current set of primary and secondary targets. 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void getTargetBuiltins(const Builtin::Info *&Records, 2320eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner unsigned &NumRecords) const = 0; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 234d19144b244f86227fcc2b0da794929fe83968dd5Chris Lattner /// getVAListDeclaration - Return the declaration to use for 235d19144b244f86227fcc2b0da794929fe83968dd5Chris Lattner /// __builtin_va_list, which is target-specific. 2360eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner virtual const char *getVAListDeclaration() const = 0; 237fb5e5ba3c7708f3aef4db0ed30e8470b3ed4206aAnders Carlsson 2383346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson /// isValidGCCRegisterName - Returns whether the passed in string 2393346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson /// is a valid register name according to GCC. This is used by Sema for 2403346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson /// inline asm statements. 24183c021c6d33aa173cf1a6e3bc61006dabb042703Anders Carlsson bool isValidGCCRegisterName(llvm::StringRef Name) const; 242d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 243d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson // getNormalizedGCCRegisterName - Returns the "normalized" GCC register name. 244d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson // For example, on x86 it will return "ax" when "eax" is passed in. 24583c021c6d33aa173cf1a6e3bc61006dabb042703Anders Carlsson llvm::StringRef getNormalizedGCCRegisterName(llvm::StringRef Name) const; 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24744def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner struct ConstraintInfo { 24844def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner enum { 24944def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner CI_None = 0x00, 25044def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner CI_AllowsMemory = 0x01, 25144def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner CI_AllowsRegister = 0x02, 252fa780fc4a4983003633c9b560387266101839923Chris Lattner CI_ReadWrite = 0x04, // "+r" output constraint (read and write). 253fa780fc4a4983003633c9b560387266101839923Chris Lattner CI_HasMatchingInput = 0x08 // This output operand has a matching input. 25444def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner }; 25544def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner unsigned Flags; 25644def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner int TiedOperand; 2571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2582819fa85651526d59ade4fdc9da2cadd7b132973Chris Lattner std::string ConstraintStr; // constraint: "=rm" 2592819fa85651526d59ade4fdc9da2cadd7b132973Chris Lattner std::string Name; // Operand name: [foo] with no []'s. 260432c86969eced2ce658b3f3f2aa7407c8864f21bChris Lattner public: 261f959fb5fb82ae2cbdf8635d734613a01818fb7bfAnders Carlsson ConstraintInfo(llvm::StringRef ConstraintStr, llvm::StringRef Name) 262f959fb5fb82ae2cbdf8635d734613a01818fb7bfAnders Carlsson : Flags(0), TiedOperand(-1), ConstraintStr(ConstraintStr.str()), 263f959fb5fb82ae2cbdf8635d734613a01818fb7bfAnders Carlsson Name(Name.str()) {} 264432c86969eced2ce658b3f3f2aa7407c8864f21bChris Lattner 265432c86969eced2ce658b3f3f2aa7407c8864f21bChris Lattner const std::string &getConstraintStr() const { return ConstraintStr; } 2662819fa85651526d59ade4fdc9da2cadd7b132973Chris Lattner const std::string &getName() const { return Name; } 26744def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner bool isReadWrite() const { return (Flags & CI_ReadWrite) != 0; } 26844def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner bool allowsRegister() const { return (Flags & CI_AllowsRegister) != 0; } 26944def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner bool allowsMemory() const { return (Flags & CI_AllowsMemory) != 0; } 2701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 271fa780fc4a4983003633c9b560387266101839923Chris Lattner /// hasMatchingInput - Return true if this output operand has a matching 272fa780fc4a4983003633c9b560387266101839923Chris Lattner /// (tied) input operand. 273fa780fc4a4983003633c9b560387266101839923Chris Lattner bool hasMatchingInput() const { return (Flags & CI_HasMatchingInput) != 0; } 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 275fa780fc4a4983003633c9b560387266101839923Chris Lattner /// hasTiedOperand() - Return true if this input operand is a matching 276fa780fc4a4983003633c9b560387266101839923Chris Lattner /// constraint that ties it to an output operand. If this returns true, 277fa780fc4a4983003633c9b560387266101839923Chris Lattner /// then getTiedOperand will indicate which output operand this is tied to. 27844def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner bool hasTiedOperand() const { return TiedOperand != -1; } 27944def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner unsigned getTiedOperand() const { 28044def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner assert(hasTiedOperand() && "Has no tied operand!"); 28144def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner return (unsigned)TiedOperand; 28244def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner } 2831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28444def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner void setIsReadWrite() { Flags |= CI_ReadWrite; } 28544def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner void setAllowsMemory() { Flags |= CI_AllowsMemory; } 28644def070435a2b5d67f0534f7a3a85a7389d60f2Chris Lattner void setAllowsRegister() { Flags |= CI_AllowsRegister; } 287fa780fc4a4983003633c9b560387266101839923Chris Lattner void setHasMatchingInput() { Flags |= CI_HasMatchingInput; } 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner /// setTiedOperand - Indicate that this is an input operand that is tied to 290d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner /// the specified output operand. Copy over the various constraint 291d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner /// information from the output. 292d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner void setTiedOperand(unsigned N, ConstraintInfo &Output) { 293fa780fc4a4983003633c9b560387266101839923Chris Lattner Output.setHasMatchingInput(); 294d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner Flags = Output.Flags; 295d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner TiedOperand = N; 296d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner // Don't copy Name or constraint string. 297d68876176a0d2c19e3864e7d38f6036c4f72f0a3Chris Lattner } 298d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson }; 299d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 300d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson // validateOutputConstraint, validateInputConstraint - Checks that 301d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson // a constraint is valid and provides information about it. 302d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson // FIXME: These should return a real error instead of just true/false. 303432c86969eced2ce658b3f3f2aa7407c8864f21bChris Lattner bool validateOutputConstraint(ConstraintInfo &Info) const; 3042819fa85651526d59ade4fdc9da2cadd7b132973Chris Lattner bool validateInputConstraint(ConstraintInfo *OutputConstraints, 3052819fa85651526d59ade4fdc9da2cadd7b132973Chris Lattner unsigned NumOutputs, 30645b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson ConstraintInfo &info) const; 30742e1ee0702d8267d632df0fdb5c479a582877c6fAnders Carlsson bool resolveSymbolicName(const char *&Name, 3082819fa85651526d59ade4fdc9da2cadd7b132973Chris Lattner ConstraintInfo *OutputConstraints, 3092819fa85651526d59ade4fdc9da2cadd7b132973Chris Lattner unsigned NumOutputs, unsigned &Index) const; 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3110eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner virtual std::string convertConstraint(const char Constraint) const { 3120eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner return std::string(1, Constraint); 3130eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner } 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 315d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson // Returns a string of target-specific clobbers, in LLVM format. 3160eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner virtual const char *getClobbers() const = 0; 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3187a4718e813e5e99d478567a482217c7eef8572c5Devang Patel 3191752ee4849f4c37f5e03193e658be92650b0e65aDaniel Dunbar /// getTriple - Return the target triple of the primary target. 3201752ee4849f4c37f5e03193e658be92650b0e65aDaniel Dunbar const llvm::Triple &getTriple() const { 3211752ee4849f4c37f5e03193e658be92650b0e65aDaniel Dunbar return Triple; 3220eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner } 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 324ae3607684c5978dc2d877141015056c9d24f17eaTed Kremenek const char *getTargetDescription() const { 325364af81157a81cf34bb058a7d5b0185020e5164bSanjiv Gupta return DescriptionString; 3267a4718e813e5e99d478567a482217c7eef8572c5Devang Patel } 3273346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson 3283346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson struct GCCRegAlias { 3293346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson const char * const Aliases[5]; 3303346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson const char * const Register; 3313346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson }; 3322621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner 333dcb4a1a6dd55fdf6c073d2761096f42e26be105aDaniel Dunbar virtual bool useGlobalsForAutomaticVariables() const { return false; } 334dcb4a1a6dd55fdf6c073d2761096f42e26be105aDaniel Dunbar 3356d7d8398e71a8bd121d3b46e250f1dbcfb9679d4Daniel Dunbar /// getCFStringSection - Return the section to use for CFString 3368e5c2b8072f4409c7c0004331d1db9652d5209c0Daniel Dunbar /// literals, or 0 if no special section is used. 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual const char *getCFStringSection() const { 3388e5c2b8072f4409c7c0004331d1db9652d5209c0Daniel Dunbar return "__DATA,__cfstring"; 3398e5c2b8072f4409c7c0004331d1db9652d5209c0Daniel Dunbar } 3408e5c2b8072f4409c7c0004331d1db9652d5209c0Daniel Dunbar 341797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// isValidSectionSpecifier - This is an optional hook that targets can 342797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// implement to perform semantic checking on attribute((section("foo"))) 343797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// specifiers. In this case, "foo" is passed in to be checked. If the 344797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// section specifier is invalid, the backend should return a non-empty string 345797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// that indicates the problem. 346797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// 347797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// This hook is a simple quality of implementation feature to catch errors 348797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// and give good diagnostics in cases when the assembler or code generator 349797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// would otherwise reject the section specifier. 350797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner /// 351f959fb5fb82ae2cbdf8635d734613a01818fb7bfAnders Carlsson virtual std::string isValidSectionSpecifier(llvm::StringRef SR) const { 352797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner return ""; 353797c3c4f5dc4fda735e55c6b5d6270a54cf6d263Chris Lattner } 3548e5c2b8072f4409c7c0004331d1db9652d5209c0Daniel Dunbar 355a6fda124bf380479529d6a80b84b62cacd3cb707John Thompson /// setForcedLangOptions - Set forced language options. 356a6fda124bf380479529d6a80b84b62cacd3cb707John Thompson /// Apply changes to the target information with respect to certain 357a6fda124bf380479529d6a80b84b62cacd3cb707John Thompson /// language options which change the target configuration. 358a6fda124bf380479529d6a80b84b62cacd3cb707John Thompson virtual void setForcedLangOptions(LangOptions &Opts); 359a6fda124bf380479529d6a80b84b62cacd3cb707John Thompson 360868bd0aa9281929ef50d2e9a8c82a036906f53f5Daniel Dunbar /// getDefaultFeatures - Get the default set of target features for 361868bd0aa9281929ef50d2e9a8c82a036906f53f5Daniel Dunbar /// the \args CPU; this should include all legal feature strings on 362868bd0aa9281929ef50d2e9a8c82a036906f53f5Daniel Dunbar /// the target. 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void getDefaultFeatures(const std::string &CPU, 36417ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar llvm::StringMap<bool> &Features) const { 36517ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar } 36617ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar 367018ba5ab0671d9b6eefecaffc118c869bea151a1Daniel Dunbar /// getABI - Get the ABI in use. 368018ba5ab0671d9b6eefecaffc118c869bea151a1Daniel Dunbar virtual const char *getABI() const { 369018ba5ab0671d9b6eefecaffc118c869bea151a1Daniel Dunbar return ""; 370018ba5ab0671d9b6eefecaffc118c869bea151a1Daniel Dunbar } 371018ba5ab0671d9b6eefecaffc118c869bea151a1Daniel Dunbar 372eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar /// setCPU - Target the specific CPU. 373eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar /// 374eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar /// \return - False on error (invalid CPU name). 375eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar // 376eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar // FIXME: Remove this. 377eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar virtual bool setCPU(const std::string &Name) { 378eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar return true; 379eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar } 380eac7c53f16bc12bcd9baac756b6f9bb77b74b0adDaniel Dunbar 38173b79596bac6f6169e5979d0c7241924259d2a76Daniel Dunbar /// setABI - Use the specific ABI. 38273b79596bac6f6169e5979d0c7241924259d2a76Daniel Dunbar /// 38373b79596bac6f6169e5979d0c7241924259d2a76Daniel Dunbar /// \return - False on error (invalid ABI name). 38473b79596bac6f6169e5979d0c7241924259d2a76Daniel Dunbar virtual bool setABI(const std::string &Name) { 38573b79596bac6f6169e5979d0c7241924259d2a76Daniel Dunbar return false; 38673b79596bac6f6169e5979d0c7241924259d2a76Daniel Dunbar } 38773b79596bac6f6169e5979d0c7241924259d2a76Daniel Dunbar 38817ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar /// setFeatureEnabled - Enable or disable a specific target feature, 38917ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar /// the feature name must be valid. 39017ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar /// 39117ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar /// \return - False on error (invalid feature name). 39217ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features, 39317ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar const std::string &Name, 39417ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar bool Enabled) const { 39517ca3638e852ba81f389e9f896ed0420b52ae606Daniel Dunbar return false; 396868bd0aa9281929ef50d2e9a8c82a036906f53f5Daniel Dunbar } 397868bd0aa9281929ef50d2e9a8c82a036906f53f5Daniel Dunbar 39829a790ba422cfeeea9546b6e76777d98fa73cd67Daniel Dunbar /// HandleTargetOptions - Perform initialization based on the user configured 39929a790ba422cfeeea9546b6e76777d98fa73cd67Daniel Dunbar /// set of features (e.g., +sse4). The list is guaranteed to have at most one 40029a790ba422cfeeea9546b6e76777d98fa73cd67Daniel Dunbar /// entry per feature. 401b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar /// 402b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar /// The target may modify the features list, to change which options are 403b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar /// passed onwards to the backend. 404b93292ab7f2b3d43a9e0ad6421f572d1f5a323b4Daniel Dunbar virtual void HandleTargetFeatures(std::vector<std::string> &Features) { 40516167a6e3f7dfb7ed0babc5e0baab9fd140e959dChris Lattner } 406264a76cdf382c507f4d43e64c89f1503f003ac95Anton Korobeynikov 407264a76cdf382c507f4d43e64c89f1503f003ac95Anton Korobeynikov // getRegParmMax - Returns maximal number of args passed in registers. 408264a76cdf382c507f4d43e64c89f1503f003ac95Anton Korobeynikov unsigned getRegParmMax() const { 409264a76cdf382c507f4d43e64c89f1503f003ac95Anton Korobeynikov return RegParmMax; 410264a76cdf382c507f4d43e64c89f1503f003ac95Anton Korobeynikov } 411264a76cdf382c507f4d43e64c89f1503f003ac95Anton Korobeynikov 41221fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner /// isTLSSupported - Whether the target supports thread-local storage. 4136a3bc6df36848188e9d0c1d978170c2b0918c6a3Chris Lattner bool isTLSSupported() const { 414b030f0272500c6c5602f587ac029ee0dc0e5a05cEli Friedman return TLSSupported; 415b030f0272500c6c5602f587ac029ee0dc0e5a05cEli Friedman } 41621fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner 41721fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner /// getEHDataRegisterNumber - Return the register number that 41821fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner /// __builtin_eh_return_regno would return with the specified argument. 41921fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner virtual int getEHDataRegisterNumber(unsigned RegNo) const { 42021fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner return -1; 42121fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner } 42221fb98ee003e992b0c4e204d98a19e0ef544cae3Chris Lattner 423b030f0272500c6c5602f587ac029ee0dc0e5a05cEli Friedman 4240eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattnerprotected: 4250e5d4ef3155651af17a90fdc07d9f80b33935c0cChris Lattner virtual uint64_t getPointerWidthV(unsigned AddrSpace) const { 4260e5d4ef3155651af17a90fdc07d9f80b33935c0cChris Lattner return PointerWidth; 4270e5d4ef3155651af17a90fdc07d9f80b33935c0cChris Lattner } 4280e5d4ef3155651af17a90fdc07d9f80b33935c0cChris Lattner virtual uint64_t getPointerAlignV(unsigned AddrSpace) const { 4290e5d4ef3155651af17a90fdc07d9f80b33935c0cChris Lattner return PointerAlign; 4300e5d4ef3155651af17a90fdc07d9f80b33935c0cChris Lattner } 43131fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta virtual enum IntType getPtrDiffTypeV(unsigned AddrSpace) const { 43231fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta return PtrDiffType; 43331fc07df7f0fc89ebf83ca05a20b29de45a7598dSanjiv Gupta } 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void getGCCRegNames(const char * const *&Names, 4350eaed12e634dfd14f44620f63b8d3276fed028ddChris Lattner unsigned &NumNames) const = 0; 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void getGCCRegAliases(const GCCRegAlias *&Aliases, 4373346ae6bba10da0d08c8d548134ddab4e13d040fAnders Carlsson unsigned &NumAliases) const = 0; 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual bool validateAsmConstraint(const char *&Name, 439d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson TargetInfo::ConstraintInfo &info) const= 0; 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 445