LLLexer.cpp revision 06be8b8a698b3d71aa93f30456b197ca6d54b1d0
18e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner//===- LLLexer.cpp - Lexer for .ll Files ----------------------------------===// 28e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// 38e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// The LLVM Compiler Infrastructure 48e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 78e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// 88e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner//===----------------------------------------------------------------------===// 98e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// 108e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// Implement the Lexer for .ll files. 118e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// 128e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner//===----------------------------------------------------------------------===// 138e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 148e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner#include "LLLexer.h" 15df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/DerivedTypes.h" 16df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Instruction.h" 17ff6c91efcf62d1cb99343fdcb2de6271520a1981Owen Anderson#include "llvm/LLVMContext.h" 18d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer#include "llvm/ADT/Twine.h" 19d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer#include "llvm/Assembly/Parser.h" 20c25e7581b9b8088910da31702d4ca21c4734c6d7Torok Edwin#include "llvm/Support/ErrorHandling.h" 218e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner#include "llvm/Support/MemoryBuffer.h" 22d185f64f828ce1f8b476807a4a1345c0c53d8213Chris Lattner#include "llvm/Support/MathExtras.h" 2392bcb426c3e4503c99324afd4ed0a73521711a56Chris Lattner#include "llvm/Support/SourceMgr.h" 24df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Support/raw_ostream.h" 25476b242fe7a61e5f9ac6214b0bc5c680d24f152eNick Lewycky#include <cctype> 26bcef7df6ec9aba7c5009a4d33944f80227563665Duncan Sands#include <cstdio> 27a896176973d59d8e22514b363d31e8d1becf185eChris Lattner#include <cstdlib> 285679d18c54ef46170e46f51bf471bb334f2b6525Misha Brukman#include <cstring> 298e3a8e0452695643d04c21e15c94b802aef81baeChris Lattnerusing namespace llvm; 308e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 31d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramerbool LLLexer::Error(LocTy ErrorLoc, const Twine &Msg) const { 323f2d5f60b31fd057c10f77b2e607b23a8c94f6d3Chris Lattner ErrorInfo = SM.GetMessage(ErrorLoc, SourceMgr::DK_Error, Msg); 33df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 34df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 35df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 368e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner//===----------------------------------------------------------------------===// 378e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// Helper functions. 388e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner//===----------------------------------------------------------------------===// 398e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 408e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// atoull - Convert an ascii string of decimal digits into the unsigned long 418e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// long representation... this does not have to do input error checking, 428e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// because we know that the input will be matched by a suitable regex... 438e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// 44df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattneruint64_t LLLexer::atoull(const char *Buffer, const char *End) { 458e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t Result = 0; 468e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner for (; Buffer != End; Buffer++) { 478e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t OldRes = Result; 488e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Result *= 10; 498e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Result += *Buffer-'0'; 508e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (Result < OldRes) { // Uh, oh, overflow detected!!! 51df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error("constant bigger than 64 bits detected!"); 528e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return 0; 538e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 548e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 558e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return Result; 568e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 578e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 58c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramerstatic char parseHexChar(char C) { 59c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer if (C >= '0' && C <= '9') 60c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer return C-'0'; 61c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer if (C >= 'A' && C <= 'F') 62c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer return C-'A'+10; 63c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer if (C >= 'a' && C <= 'f') 64c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer return C-'a'+10; 65c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer return 0; 66c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer} 67c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer 68df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattneruint64_t LLLexer::HexIntToVal(const char *Buffer, const char *End) { 698e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t Result = 0; 708e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner for (; Buffer != End; ++Buffer) { 718e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t OldRes = Result; 728e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Result *= 16; 73c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer Result += parseHexChar(*Buffer); 742c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 758e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (Result < OldRes) { // Uh, oh, overflow detected!!! 76df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error("constant bigger than 64 bits detected!"); 778e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return 0; 788e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 798e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 808e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return Result; 818e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 828e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 83df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnervoid LLLexer::HexToIntPair(const char *Buffer, const char *End, 84df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner uint64_t Pair[2]) { 858e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Pair[0] = 0; 868e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner for (int i=0; i<16; i++, Buffer++) { 878e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner assert(Buffer != End); 888e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Pair[0] *= 16; 89c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer Pair[0] += parseHexChar(*Buffer); 908e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 918e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Pair[1] = 0; 928e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner for (int i=0; i<16 && Buffer != End; i++, Buffer++) { 938e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Pair[1] *= 16; 94c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer Pair[1] += parseHexChar(*Buffer); 958e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 96d343c6b70ec03b357d42e47ce7c00b3c3cb78efdChris Lattner if (Buffer != End) 97df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error("constant bigger than 128 bits detected!"); 988e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 998e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1001b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen/// FP80HexToIntPair - translate an 80 bit FP80 number (20 hexits) into 1011b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen/// { low64, high16 } as usual for an APInt. 1021b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesenvoid LLLexer::FP80HexToIntPair(const char *Buffer, const char *End, 1031b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen uint64_t Pair[2]) { 1041b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen Pair[1] = 0; 1051b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen for (int i=0; i<4 && Buffer != End; i++, Buffer++) { 1061b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen assert(Buffer != End); 1071b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen Pair[1] *= 16; 108c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer Pair[1] += parseHexChar(*Buffer); 1091b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen } 1101b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen Pair[0] = 0; 1111b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen for (int i=0; i<16; i++, Buffer++) { 1121b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen Pair[0] *= 16; 113c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer Pair[0] += parseHexChar(*Buffer); 1141b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen } 1151b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen if (Buffer != End) 1161b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen Error("constant bigger than 128 bits detected!"); 1171b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen} 1181b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen 1198e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// UnEscapeLexed - Run through the specified buffer and change \xx codes to the 1208e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// appropriate character. 1218e3a8e0452695643d04c21e15c94b802aef81baeChris Lattnerstatic void UnEscapeLexed(std::string &Str) { 1228e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (Str.empty()) return; 1232c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 1248e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner char *Buffer = &Str[0], *EndBuffer = Buffer+Str.size(); 1258e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner char *BOut = Buffer; 1268e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner for (char *BIn = Buffer; BIn != EndBuffer; ) { 1278e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (BIn[0] == '\\') { 1288e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (BIn < EndBuffer-1 && BIn[1] == '\\') { 1298e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner *BOut++ = '\\'; // Two \ becomes one 1308e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner BIn += 2; 1318e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } else if (BIn < EndBuffer-2 && isxdigit(BIn[1]) && isxdigit(BIn[2])) { 132c45fe4c1dc9fb7cc3a1d58c7b022832eeb478abbBenjamin Kramer *BOut = parseHexChar(BIn[1]) * 16 + parseHexChar(BIn[2]); 1338e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner BIn += 3; // Skip over handled chars 1348e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++BOut; 1358e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } else { 1368e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner *BOut++ = *BIn++; 1378e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 1388e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } else { 1398e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner *BOut++ = *BIn++; 1408e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 1418e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 1428e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Str.resize(BOut-Buffer); 1438e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 1448e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1458e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// isLabelChar - Return true for [-a-zA-Z$._0-9]. 1468e3a8e0452695643d04c21e15c94b802aef81baeChris Lattnerstatic bool isLabelChar(char C) { 1478e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return isalnum(C) || C == '-' || C == '$' || C == '.' || C == '_'; 1488e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 1498e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1508e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1518e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// isLabelTail - Return true if this pointer points to a valid end of a label. 1528e3a8e0452695643d04c21e15c94b802aef81baeChris Lattnerstatic const char *isLabelTail(const char *CurPtr) { 1538e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (1) { 1548e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] == ':') return CurPtr+1; 1558e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (!isLabelChar(CurPtr[0])) return 0; 1568e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++CurPtr; 1578e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 1588e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 1598e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1608e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1618e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1628e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner//===----------------------------------------------------------------------===// 1638e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner// Lexer definition. 1648e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner//===----------------------------------------------------------------------===// 1658e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 166ff6c91efcf62d1cb99343fdcb2de6271520a1981Owen AndersonLLLexer::LLLexer(MemoryBuffer *StartBuf, SourceMgr &sm, SMDiagnostic &Err, 167ff6c91efcf62d1cb99343fdcb2de6271520a1981Owen Anderson LLVMContext &C) 168ff6c91efcf62d1cb99343fdcb2de6271520a1981Owen Anderson : CurBuf(StartBuf), ErrorInfo(Err), SM(sm), Context(C), APFloatVal(0.0) { 1698e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = CurBuf->getBufferStart(); 1708e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 1718e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1728e3a8e0452695643d04c21e15c94b802aef81baeChris Lattnerstd::string LLLexer::getFilename() const { 1738e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return CurBuf->getBufferIdentifier(); 1748e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 1758e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1768e3a8e0452695643d04c21e15c94b802aef81baeChris Lattnerint LLLexer::getNextChar() { 1778e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner char CurChar = *CurPtr++; 1788e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner switch (CurChar) { 1798e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner default: return (unsigned char)CurChar; 1808e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case 0: 1818e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // A nul character in the stream is either the end of the current buffer or 1828e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // a random nul in the file. Disambiguate that here. 1838e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr-1 != CurBuf->getBufferEnd()) 1848e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return 0; // Just whitespace. 1852c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 1868e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Otherwise, return end of file. 1872c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling --CurPtr; // Another call to lex will return EOF again. 1888e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return EOF; 1892c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling } 1908e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 1918e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 1928e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 193df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::LexToken() { 1948e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner TokStart = CurPtr; 1952c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 1968e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner int CurChar = getNextChar(); 1978e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner switch (CurChar) { 1988e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner default: 1998e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Handle letters: [a-zA-Z_] 2008e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (isalpha(CurChar) || CurChar == '_') 2018e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return LexIdentifier(); 2022c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 203df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 204df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case EOF: return lltok::Eof; 2058e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case 0: 2068e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case ' ': 2078e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '\t': 2088e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '\n': 2098e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '\r': 2108e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Ignore whitespace. 2118e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return LexToken(); 2128e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '+': return LexPositive(); 2138e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '@': return LexAt(); 2148e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '%': return LexPercent(); 2158e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '"': return LexQuote(); 2168e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '.': 2178e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (const char *Ptr = isLabelTail(CurPtr)) { 2188e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = Ptr; 219df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner StrVal.assign(TokStart, CurPtr-1); 220df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::LabelStr; 2218e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 2228e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] == '.' && CurPtr[1] == '.') { 2238e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr += 2; 224df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::dotdotdot; 2258e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 226df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 2278e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '$': 2288e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (const char *Ptr = isLabelTail(CurPtr)) { 2298e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = Ptr; 230df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner StrVal.assign(TokStart, CurPtr-1); 231df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::LabelStr; 2328e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 233df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 2348e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case ';': 2358e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner SkipLineComment(); 2368e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return LexToken(); 237e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner case '!': return LexExclaim(); 2388e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '0': case '1': case '2': case '3': case '4': 2398e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case '5': case '6': case '7': case '8': case '9': 2402c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling case '-': 2418e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return LexDigitOrNegative(); 242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '=': return lltok::equal; 243df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '[': return lltok::lsquare; 244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ']': return lltok::rsquare; 245df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '{': return lltok::lbrace; 246df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '}': return lltok::rbrace; 247df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '<': return lltok::less; 248df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '>': return lltok::greater; 249df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '(': return lltok::lparen; 250df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ')': return lltok::rparen; 251df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ',': return lltok::comma; 252df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '*': return lltok::star; 253df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case '\\': return lltok::backslash; 2548e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 2558e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 2568e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 2578e3a8e0452695643d04c21e15c94b802aef81baeChris Lattnervoid LLLexer::SkipLineComment() { 2588e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (1) { 2598e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] == '\n' || CurPtr[0] == '\r' || getNextChar() == EOF) 2608e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return; 2618e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 2628e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 2638e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 2648e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// LexAt - Lex all tokens that start with an @ character: 265df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GlobalVar @\"[^\"]*\" 266df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GlobalVar @[-a-zA-Z$._][-a-zA-Z$._0-9]* 267df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GlobalVarID @[0-9]+ 268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::LexAt() { 2698e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Handle AtStringConstant: @\"[^\"]*\" 2708e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] == '"') { 2718e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++CurPtr; 2722c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 2738e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (1) { 2748e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner int CurChar = getNextChar(); 2752c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 2762c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling if (CurChar == EOF) { 277df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error("end of file in global variable name"); 278df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 2798e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 2808e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurChar == '"') { 281df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner StrVal.assign(TokStart+2, CurPtr-1); 282df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UnEscapeLexed(StrVal); 283df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::GlobalVar; 2848e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 2858e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 2868e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 2872c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 2888e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Handle GlobalVarName: @[-a-zA-Z$._][-a-zA-Z$._0-9]* 2899fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky if (ReadVarName()) 290df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::GlobalVar; 2912c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 2928e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Handle GlobalVarID: @[0-9]+ 2938e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (isdigit(CurPtr[0])) { 2942c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr) 2952c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling /*empty*/; 2962c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 2978e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t Val = atoull(TokStart+1, CurPtr); 2988e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if ((unsigned)Val != Val) 299df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error("invalid value number (too large)!"); 300df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UIntVal = unsigned(Val); 301df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::GlobalID; 3028e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 3032c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 304df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 3058e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 3068e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 3079fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky/// ReadString - Read a string until the closing quote. 3089fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewyckylltok::Kind LLLexer::ReadString(lltok::Kind kind) { 3099fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky const char *Start = CurPtr; 3109fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky while (1) { 3119fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky int CurChar = getNextChar(); 3129fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky 3139fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky if (CurChar == EOF) { 3149fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky Error("end of file in string constant"); 3159fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky return lltok::Error; 3169fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky } 3179fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky if (CurChar == '"') { 3189fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky StrVal.assign(Start, CurPtr-1); 3199fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky UnEscapeLexed(StrVal); 3209fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky return kind; 3219fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky } 3229fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky } 3239fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky} 3249fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky 3259fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky/// ReadVarName - Read the rest of a token containing a variable name. 3269fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewyckybool LLLexer::ReadVarName() { 3279fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky const char *NameStart = CurPtr; 3289fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' || 3299fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky CurPtr[0] == '.' || CurPtr[0] == '_') { 3309fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky ++CurPtr; 3319fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' || 3329fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky CurPtr[0] == '.' || CurPtr[0] == '_') 3339fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky ++CurPtr; 3349fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky 3359fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky StrVal.assign(NameStart, CurPtr); 3369fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky return true; 3379fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky } 3389fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky return false; 3399fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky} 3408e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 3418e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// LexPercent - Lex all tokens that start with a % character: 342df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// LocalVar ::= %\"[^\"]*\" 343df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// LocalVar ::= %[-a-zA-Z$._][-a-zA-Z$._0-9]* 344df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// LocalVarID ::= %[0-9]+ 345df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::LexPercent() { 346df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Handle LocalVarName: %\"[^\"]*\" 3478e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] == '"') { 3488e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++CurPtr; 3499fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky return ReadString(lltok::LocalVar); 3508e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 3512c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 3528e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Handle LocalVarName: %[-a-zA-Z$._][-a-zA-Z$._0-9]* 3539fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky if (ReadVarName()) 354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::LocalVar; 3552c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 3568e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Handle LocalVarID: %[0-9]+ 3578e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (isdigit(CurPtr[0])) { 3582c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr) 3592c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling /*empty*/; 3602c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 3618e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t Val = atoull(TokStart+1, CurPtr); 3628e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if ((unsigned)Val != Val) 363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error("invalid value number (too large)!"); 364df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UIntVal = unsigned(Val); 365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::LocalVarID; 3668e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 3672c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 3698e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 3708e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 3718e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// LexQuote - Lex all tokens that start with a " character: 3728e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// QuoteLabel "[^"]+": 3738e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// StringConstant "[^"]*" 374df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::LexQuote() { 3759fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky lltok::Kind kind = ReadString(lltok::StringConstant); 3769fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky if (kind == lltok::Error || kind == lltok::Eof) 3779fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky return kind; 3782c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 3799fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky if (CurPtr[0] == ':') { 3808e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++CurPtr; 3819fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky kind = lltok::LabelStr; 3828e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 3839fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky 3849fa89334f1045b56e8ae409004e119d47ef17ec7Nick Lewycky return kind; 3858e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 3868e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 387e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner/// LexExclaim: 388eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel/// !foo 3891d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner/// ! 390e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattnerlltok::Kind LLLexer::LexExclaim() { 3911d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner // Lex a metadata name as a MetadataVar. 3929100a78bce4e1d34d8ffd5efa2cc79ed864dd1c0Nick Lewycky if (isalpha(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' || 3939100a78bce4e1d34d8ffd5efa2cc79ed864dd1c0Nick Lewycky CurPtr[0] == '.' || CurPtr[0] == '_' || CurPtr[0] == '\\') { 394eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel ++CurPtr; 395eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' || 3969100a78bce4e1d34d8ffd5efa2cc79ed864dd1c0Nick Lewycky CurPtr[0] == '.' || CurPtr[0] == '_' || CurPtr[0] == '\\') 397eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel ++CurPtr; 3988e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 399eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel StrVal.assign(TokStart+1, CurPtr); // Skip ! 4009100a78bce4e1d34d8ffd5efa2cc79ed864dd1c0Nick Lewycky UnEscapeLexed(StrVal); 4011d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner return lltok::MetadataVar; 402eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel } 403e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner return lltok::exclaim; 404eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel} 405eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 4068e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// LexIdentifier: Handle several related productions: 4078e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// Label [-a-zA-Z$._0-9]+: 4088e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// IntegerType i[0-9]+ 4098e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// Keyword sdiv, float, ... 4108e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexIntConstant [us]0x[0-9A-Fa-f]+ 411df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::LexIdentifier() { 4128e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner const char *StartChar = CurPtr; 4138e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner const char *IntEnd = CurPtr[-1] == 'i' ? 0 : StartChar; 4148e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner const char *KeywordEnd = 0; 4152c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 4168e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner for (; isLabelChar(*CurPtr); ++CurPtr) { 4178e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // If we decide this is an integer, remember the end of the sequence. 4188e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (!IntEnd && !isdigit(*CurPtr)) IntEnd = CurPtr; 4198e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (!KeywordEnd && !isalnum(*CurPtr) && *CurPtr != '_') KeywordEnd = CurPtr; 4208e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 4212c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 4228e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // If we stopped due to a colon, this really is a label. 4238e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (*CurPtr == ':') { 424df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner StrVal.assign(StartChar-1, CurPtr++); 425df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::LabelStr; 4268e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 4272c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 4288e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Otherwise, this wasn't a label. If this was valid as an integer type, 4298e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // return it. 4308e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (IntEnd == 0) IntEnd = CurPtr; 4318e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (IntEnd != StartChar) { 4328e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = IntEnd; 4338e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t NumBits = atoull(StartChar, CurPtr); 4342c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling if (NumBits < IntegerType::MIN_INT_BITS || 4358e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner NumBits > IntegerType::MAX_INT_BITS) { 436df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error("bitwidth for integer type out of range!"); 437df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 4388e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 4391d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TyVal = IntegerType::get(Context, NumBits); 440df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Type; 4418e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 4422c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 4438e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Otherwise, this was a letter sequence. See which keyword this is. 4448e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (KeywordEnd == 0) KeywordEnd = CurPtr; 4458e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = KeywordEnd; 4468e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner --StartChar; 4478e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner unsigned Len = CurPtr-StartChar; 448df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#define KEYWORD(STR) \ 449df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Len == strlen(#STR) && !memcmp(StartChar, #STR, strlen(#STR))) \ 450df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::kw_##STR; 451df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 452df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(true); KEYWORD(false); 453df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(declare); KEYWORD(define); 454df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(global); KEYWORD(constant); 455df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 456bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola KEYWORD(private); 4573d10a5a75794356a0a568ce283713adc3a963200Bill Wendling KEYWORD(linker_private); 4585e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling KEYWORD(linker_private_weak); 45932811bef956e0fae4329e6515420d85f7e510660Bill Wendling KEYWORD(linker_private_weak_def_auto); // FIXME: For backwards compatibility. 460df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(internal); 461266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner KEYWORD(available_externally); 462df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(linkonce); 463667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands KEYWORD(linkonce_odr); 46432811bef956e0fae4329e6515420d85f7e510660Bill Wendling KEYWORD(linkonce_odr_auto_hide); 465df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(weak); 466667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands KEYWORD(weak_odr); 467df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(appending); 468df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(dllimport); 469df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(dllexport); 470df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(common); 471df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(default); 472df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(hidden); 473df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(protected); 474bea4626f93c830e31f82cc947df28fdae583cd09Rafael Espindola KEYWORD(unnamed_addr); 475df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(extern_weak); 476df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(external); 477df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(thread_local); 478ce718ff9f42c7da092eaa01dd0242e8d5ba84713Hans Wennborg KEYWORD(localdynamic); 479ce718ff9f42c7da092eaa01dd0242e8d5ba84713Hans Wennborg KEYWORD(initialexec); 480ce718ff9f42c7da092eaa01dd0242e8d5ba84713Hans Wennborg KEYWORD(localexec); 481df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(zeroinitializer); 482df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(undef); 483df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(null); 484df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(to); 485df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(tail); 486df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(target); 487df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(triple); 4880f96817d010c4d2abbb0e1c1cfc56ff537010081Bill Wendling KEYWORD(unwind); 489df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(deplibs); 490df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(datalayout); 491df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(volatile); 49247f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(atomic); 49347f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(unordered); 49447f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(monotonic); 49547f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(acquire); 49647f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(release); 49747f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(acq_rel); 49847f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(seq_cst); 49947f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman KEYWORD(singlethread); 50047f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman 50108d012eba490c4906ec773c39db9f2a18a78c997Dan Gohman KEYWORD(nuw); 50208d012eba490c4906ec773c39db9f2a18a78c997Dan Gohman KEYWORD(nsw); 5031224c386981f7948f298ed9ad444c40609570f2eDan Gohman KEYWORD(exact); 504dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman KEYWORD(inbounds); 505df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(align); 506df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(addrspace); 507df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(section); 508df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(alias); 509df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(module); 510df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(asm); 511df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(sideeffect); 5128ba2d5befc05ca73d3bac8708819bbbe759e2cf9Dale Johannesen KEYWORD(alignstack); 513581600bfc3060ee13afb278cd87e25da5b5f7db2Chad Rosier KEYWORD(inteldialect); 514df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(gc); 515df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 516df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(ccc); 517df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(fastcc); 518df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(coldcc); 519df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(x86_stdcallcc); 520df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(x86_fastcallcc); 521ded05e34b65dc42998e9db6ca1abd513e7a9d120Anton Korobeynikov KEYWORD(x86_thiscallcc); 522385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov KEYWORD(arm_apcscc); 523385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov KEYWORD(arm_aapcscc); 524385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov KEYWORD(arm_aapcs_vfpcc); 525211a14e476abc9b864ab6a5d5e0bbb86d288b650Anton Korobeynikov KEYWORD(msp430_intrcc); 526f9930da2ef72350c6c805af09e754e4e6e13d47bChe-Liang Chiou KEYWORD(ptx_kernel); 527f9930da2ef72350c6c805af09e754e4e6e13d47bChe-Liang Chiou KEYWORD(ptx_device); 528e53d6051b7e173722351a5647bfd71eebee3d837Micah Villmow KEYWORD(spir_kernel); 529e53d6051b7e173722351a5647bfd71eebee3d837Micah Villmow KEYWORD(spir_func); 5303575222175b4982f380ff291bb17be67aadc0966Elena Demikhovsky KEYWORD(intel_ocl_bicc); 531385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov 532df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(cc); 533df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(c); 534df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 535df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(signext); 536df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(zeroext); 537df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(inreg); 538df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(sret); 539df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(nounwind); 540df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(noreturn); 541df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(noalias); 542df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(nocapture); 543df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(byval); 544df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(nest); 545df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(readnone); 546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(readonly); 547fc2bb8c4448fa884d79e437cc2d2627a7d7740a8Rafael Espindola KEYWORD(uwtable); 54825456ef74ca7ac9bf46451f28d995f785e2596deRafael Espindola KEYWORD(returns_twice); 549df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 550570a4a5d9ca31f276a67502d1e0533d59d331feaJakob Stoklund Olesen KEYWORD(inlinehint); 551df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(noinline); 552df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(alwaysinline); 553df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(optsize); 554df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(ssp); 555df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(sspreq); 556d18e31ae17390d9c6f6cf93d18badf962452031dDevang Patel KEYWORD(noredzone); 557578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel KEYWORD(noimplicitfloat); 558c5ec8a78ea898087ad361e5b755f74a76150e5fdAnton Korobeynikov KEYWORD(naked); 5593a3465b71db858723988f61d72b7135e6dff329bJohn McCall KEYWORD(nonlazybind); 560164b86b4399559e45fab7846f1e3e09119cab4e2Kostya Serebryany KEYWORD(address_safety); 5619a419f656e278b96e9dfe739cd63c7bff9a4e1fdQuentin Colombet KEYWORD(minsize); 562df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 563df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(type); 564df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(opaque); 565df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 566df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(eq); KEYWORD(ne); KEYWORD(slt); KEYWORD(sgt); KEYWORD(sle); 567df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(sge); KEYWORD(ult); KEYWORD(ugt); KEYWORD(ule); KEYWORD(uge); 568df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(oeq); KEYWORD(one); KEYWORD(olt); KEYWORD(ogt); KEYWORD(ole); 569df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(oge); KEYWORD(ord); KEYWORD(uno); KEYWORD(ueq); KEYWORD(une); 5709ea4034e007a83c778cd306ea66481be1317a51bMisha Brukman 571ff03048c1350fcc4fda1ef6d6c57252f3a950854Eli Friedman KEYWORD(xchg); KEYWORD(nand); KEYWORD(max); KEYWORD(min); KEYWORD(umax); 572ff03048c1350fcc4fda1ef6d6c57252f3a950854Eli Friedman KEYWORD(umin); 573ff03048c1350fcc4fda1ef6d6c57252f3a950854Eli Friedman 574df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner KEYWORD(x); 57509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner KEYWORD(blockaddress); 576e6e8826870bee3facb04f950f0bd725f8a88623dBill Wendling 577e6e8826870bee3facb04f950f0bd725f8a88623dBill Wendling KEYWORD(personality); 578e6e8826870bee3facb04f950f0bd725f8a88623dBill Wendling KEYWORD(cleanup); 579e6e8826870bee3facb04f950f0bd725f8a88623dBill Wendling KEYWORD(catch); 580e6e8826870bee3facb04f950f0bd725f8a88623dBill Wendling KEYWORD(filter); 5818e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner#undef KEYWORD 5828e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 5838e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Keywords for types. 584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#define TYPEKEYWORD(STR, LLVMTY) \ 5858e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (Len == strlen(STR) && !memcmp(StartChar, STR, strlen(STR))) { \ 586df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TyVal = LLVMTY; return lltok::Type; } 5871d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("void", Type::getVoidTy(Context)); 588ce16339930a2b03e53b4e6399ef59c092a7f2cfaDan Gohman TYPEKEYWORD("half", Type::getHalfTy(Context)); 5891d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("float", Type::getFloatTy(Context)); 5901d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("double", Type::getDoubleTy(Context)); 5911d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("x86_fp80", Type::getX86_FP80Ty(Context)); 5921d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("fp128", Type::getFP128Ty(Context)); 5931d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("ppc_fp128", Type::getPPC_FP128Ty(Context)); 5941d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("label", Type::getLabelTy(Context)); 5951d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson TYPEKEYWORD("metadata", Type::getMetadataTy(Context)); 596bb811a244567aa8a1522203f15588f4d001b7353Dale Johannesen TYPEKEYWORD("x86_mmx", Type::getX86_MMXTy(Context)); 5978e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner#undef TYPEKEYWORD 5988e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 5998e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Keywords for instructions. 600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#define INSTKEYWORD(STR, Enum) \ 601df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Len == strlen(#STR) && !memcmp(StartChar, #STR, strlen(#STR))) { \ 602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UIntVal = Instruction::Enum; return lltok::kw_##STR; } 603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 604ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman INSTKEYWORD(add, Add); INSTKEYWORD(fadd, FAdd); 605ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman INSTKEYWORD(sub, Sub); INSTKEYWORD(fsub, FSub); 606ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman INSTKEYWORD(mul, Mul); INSTKEYWORD(fmul, FMul); 607df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(udiv, UDiv); INSTKEYWORD(sdiv, SDiv); INSTKEYWORD(fdiv, FDiv); 608df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(urem, URem); INSTKEYWORD(srem, SRem); INSTKEYWORD(frem, FRem); 609df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(shl, Shl); INSTKEYWORD(lshr, LShr); INSTKEYWORD(ashr, AShr); 610df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(and, And); INSTKEYWORD(or, Or); INSTKEYWORD(xor, Xor); 611df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(icmp, ICmp); INSTKEYWORD(fcmp, FCmp); 612df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 613df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(phi, PHI); 614df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(call, Call); 615df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(trunc, Trunc); 616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(zext, ZExt); 617df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(sext, SExt); 618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(fptrunc, FPTrunc); 619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(fpext, FPExt); 620df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(uitofp, UIToFP); 621df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(sitofp, SIToFP); 622df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(fptoui, FPToUI); 623df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(fptosi, FPToSI); 624df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(inttoptr, IntToPtr); 625df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(ptrtoint, PtrToInt); 626df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(bitcast, BitCast); 627df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(select, Select); 628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(va_arg, VAArg); 629df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(ret, Ret); 630df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(br, Br); 631df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(switch, Switch); 632ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner INSTKEYWORD(indirectbr, IndirectBr); 633df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(invoke, Invoke); 634dccc03b2423fe65efb5963ae816b99c24fc53374Bill Wendling INSTKEYWORD(resume, Resume); 635df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(unreachable, Unreachable); 636df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 637df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(alloca, Alloca); 638df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(load, Load); 639df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(store, Store); 640ff03048c1350fcc4fda1ef6d6c57252f3a950854Eli Friedman INSTKEYWORD(cmpxchg, AtomicCmpXchg); 641ff03048c1350fcc4fda1ef6d6c57252f3a950854Eli Friedman INSTKEYWORD(atomicrmw, AtomicRMW); 64247f3513dd574535aeb40c9eb11134f0899e92269Eli Friedman INSTKEYWORD(fence, Fence); 643df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(getelementptr, GetElementPtr); 644df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(extractelement, ExtractElement); 646df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(insertelement, InsertElement); 647df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(shufflevector, ShuffleVector); 648df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(extractvalue, ExtractValue); 649df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner INSTKEYWORD(insertvalue, InsertValue); 650e6e8826870bee3facb04f950f0bd725f8a88623dBill Wendling INSTKEYWORD(landingpad, LandingPad); 6512c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling#undef INSTKEYWORD 6522c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 6538e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Check for [us]0x[0-9A-Fa-f]+ which are Hexadecimal constant generated by 6548e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // the CFE to avoid forcing it to deal with 64-bit numbers. 6558e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if ((TokStart[0] == 'u' || TokStart[0] == 's') && 6568e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner TokStart[1] == '0' && TokStart[2] == 'x' && isxdigit(TokStart[3])) { 6578e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner int len = CurPtr-TokStart-3; 6588e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint32_t bits = len * 4; 659689ad6ef3fd2e89394f1e8860dfebfe56b73c3daDaniel Dunbar APInt Tmp(bits, StringRef(TokStart+3, len), 16); 6608e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint32_t activeBits = Tmp.getActiveBits(); 6618e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (activeBits > 0 && activeBits < bits) 66240f8f6264d5af2c38e797e0dc59827cd231e8ff7Jay Foad Tmp = Tmp.trunc(activeBits); 663df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner APSIntVal = APSInt(Tmp, TokStart[0] == 'u'); 664df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APSInt; 6658e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 6662c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 6674ce0df610879e82d9853c6a38a75b1883feaee06Chris Lattner // If this is "cc1234", return this as just "cc". 6688e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (TokStart[0] == 'c' && TokStart[1] == 'c') { 6698e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = TokStart+2; 670df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::kw_cc; 6718e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 6722c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Finally, if this isn't known, return an error. 6748e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = TokStart+1; 675df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 6768e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 6778e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 67810c6d12a9fd4dab411091f64db4db69670b88850Bill Wendling 6798e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// Lex0x: Handle productions that start with 0x, knowing that it matches and 6808e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// that this is not a label: 6818e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexFPConstant 0x[0-9A-Fa-f]+ 6828e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexFP80Constant 0xK[0-9A-Fa-f]+ 6838e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexFP128Constant 0xL[0-9A-Fa-f]+ 6848e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexPPC128Constant 0xM[0-9A-Fa-f]+ 685057beb8d4fe8d5dad98ad80a49a649730c3a3eb0Tobias Grosser/// HexHalfConstant 0xH[0-9A-Fa-f]+ 686df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::Lex0x() { 6878e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = TokStart + 2; 6882c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 6898e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner char Kind; 6908d2a004822f9cc5bf38d5ef14494e2f0faa82b8cDavid Blaikie if ((CurPtr[0] >= 'K' && CurPtr[0] <= 'M') || CurPtr[0] == 'H') { 6918e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Kind = *CurPtr++; 6928e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } else { 6938e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner Kind = 'J'; 6948e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 6958e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 6968e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (!isxdigit(CurPtr[0])) { 697df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Bad token, return it as an error. 6988e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = TokStart+1; 699df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 7008e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7012c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7028e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (isxdigit(CurPtr[0])) 7038e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++CurPtr; 7042c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7058e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (Kind == 'J') { 7068e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // HexFPConstant - Floating point constant represented in IEEE format as a 7078e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // hexadecimal number for when exponential notation is not precise enough. 708ce16339930a2b03e53b4e6399ef59c092a7f2cfaDan Gohman // Half, Float, and double only. 709df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner APFloatVal = APFloat(BitsToDouble(HexIntToVal(TokStart+2, CurPtr))); 710df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APFloat; 7118e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7122c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7138e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint64_t Pair[2]; 7148e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner switch (Kind) { 715c23197a26f34f559ea9797de51e187087c039c42Torok Edwin default: llvm_unreachable("Unknown kind!"); 7168e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case 'K': 7178e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // F80HexFPConstant - x87 long double in hexadecimal format (10 bytes) 7181b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen FP80HexToIntPair(TokStart+3, CurPtr, Pair); 7193ba292dbc2acee2d1052fb7ffe332e2164147b47Jeffrey Yasskin APFloatVal = APFloat(APInt(80, Pair)); 720df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APFloat; 7218e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case 'L': 7228e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // F128HexFPConstant - IEEE 128-bit in hexadecimal format (16 bytes) 7231b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen HexToIntPair(TokStart+3, CurPtr, Pair); 7243ba292dbc2acee2d1052fb7ffe332e2164147b47Jeffrey Yasskin APFloatVal = APFloat(APInt(128, Pair), true); 725df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APFloat; 7268e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner case 'M': 7278e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // PPC128HexFPConstant - PowerPC 128-bit in hexadecimal format (16 bytes) 7281b25cb2416c46a6cebf2a6c52235e9fe46a10d11Dale Johannesen HexToIntPair(TokStart+3, CurPtr, Pair); 7293ba292dbc2acee2d1052fb7ffe332e2164147b47Jeffrey Yasskin APFloatVal = APFloat(APInt(128, Pair)); 730df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APFloat; 731057beb8d4fe8d5dad98ad80a49a649730c3a3eb0Tobias Grosser case 'H': 732057beb8d4fe8d5dad98ad80a49a649730c3a3eb0Tobias Grosser APFloatVal = APFloat(APInt(16,HexIntToVal(TokStart+3, CurPtr))); 733057beb8d4fe8d5dad98ad80a49a649730c3a3eb0Tobias Grosser return lltok::APFloat; 7348e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7358e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 7368e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 7378e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// LexIdentifier: Handle several related productions: 7388e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// Label [-a-zA-Z$._0-9]+: 7398e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// NInteger -[0-9]+ 7408e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)? 7418e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// PInteger [0-9]+ 7428e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexFPConstant 0x[0-9A-Fa-f]+ 7438e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexFP80Constant 0xK[0-9A-Fa-f]+ 7448e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexFP128Constant 0xL[0-9A-Fa-f]+ 7458e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// HexPPC128Constant 0xM[0-9A-Fa-f]+ 746df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::LexDigitOrNegative() { 74706be8b8a698b3d71aa93f30456b197ca6d54b1d0Craig Topper // If the letter after the negative is not a number, this is probably a label. 7488e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (!isdigit(TokStart[0]) && !isdigit(CurPtr[0])) { 7498e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Okay, this is not a number after the -, it's probably a label. 7508e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (const char *End = isLabelTail(CurPtr)) { 751df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner StrVal.assign(TokStart, End-1); 7528e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = End; 753df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::LabelStr; 7548e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7552c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 756df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 7578e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7582c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7598e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // At this point, it is either a label, int or fp constant. 7602c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7618e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Skip digits, we have at least one. 7622c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling for (; isdigit(CurPtr[0]); ++CurPtr) 7632c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling /*empty*/; 7642c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7658e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Check to see if this really is a label afterall, e.g. "-1:". 7668e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (isLabelChar(CurPtr[0]) || CurPtr[0] == ':') { 7678e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (const char *End = isLabelTail(CurPtr)) { 768df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner StrVal.assign(TokStart, End-1); 7698e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = End; 770df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::LabelStr; 7718e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7728e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7732c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7748e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // If the next character is a '.', then it is a fp value, otherwise its 7758e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // integer. 7768e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] != '.') { 7778e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (TokStart[0] == '0' && TokStart[1] == 'x') 7788e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner return Lex0x(); 7798e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner unsigned Len = CurPtr-TokStart; 7808e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint32_t numBits = ((Len * 64) / 19) + 2; 781689ad6ef3fd2e89394f1e8860dfebfe56b73c3daDaniel Dunbar APInt Tmp(numBits, StringRef(TokStart, Len), 10); 7828e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (TokStart[0] == '-') { 7838e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint32_t minBits = Tmp.getMinSignedBits(); 7848e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (minBits > 0 && minBits < numBits) 78540f8f6264d5af2c38e797e0dc59827cd231e8ff7Jay Foad Tmp = Tmp.trunc(minBits); 786df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner APSIntVal = APSInt(Tmp, false); 7878e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } else { 7888e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner uint32_t activeBits = Tmp.getActiveBits(); 7898e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (activeBits > 0 && activeBits < numBits) 79040f8f6264d5af2c38e797e0dc59827cd231e8ff7Jay Foad Tmp = Tmp.trunc(activeBits); 791df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner APSIntVal = APSInt(Tmp, true); 7928e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 793df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APSInt; 7948e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 7958e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 7968e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++CurPtr; 7972c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 7988e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Skip over [0-9]*([eE][-+]?[0-9]+)? 7998e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (isdigit(CurPtr[0])) ++CurPtr; 8002c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 8018e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] == 'e' || CurPtr[0] == 'E') { 8022c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling if (isdigit(CurPtr[1]) || 8038e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ((CurPtr[1] == '-' || CurPtr[1] == '+') && isdigit(CurPtr[2]))) { 8048e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr += 2; 8058e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (isdigit(CurPtr[0])) ++CurPtr; 8068e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 8078e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 8082c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 8092402123413080aee8e9418e4f08b8613ef5cc360Nick Lewycky APFloatVal = APFloat(std::atof(TokStart)); 810df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APFloat; 8118e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 8128e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 8138e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner/// FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)? 814df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerlltok::Kind LLLexer::LexPositive() { 8158e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // If the letter after the negative is a number, this is probably not a 8168e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // label. 8178e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (!isdigit(CurPtr[0])) 818df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 8192c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 8208e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Skip digits. 8212c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling for (++CurPtr; isdigit(CurPtr[0]); ++CurPtr) 8222c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling /*empty*/; 8238e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner 8248e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // At this point, we need a '.'. 8258e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] != '.') { 8268e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr = TokStart+1; 827df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::Error; 8288e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 8292c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 8308e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ++CurPtr; 8312c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 8328e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner // Skip over [0-9]*([eE][-+]?[0-9]+)? 8338e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (isdigit(CurPtr[0])) ++CurPtr; 8342c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 8358e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner if (CurPtr[0] == 'e' || CurPtr[0] == 'E') { 8362c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling if (isdigit(CurPtr[1]) || 8378e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner ((CurPtr[1] == '-' || CurPtr[1] == '+') && isdigit(CurPtr[2]))) { 8388e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner CurPtr += 2; 8398e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner while (isdigit(CurPtr[0])) ++CurPtr; 8408e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 8418e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner } 8422c6fd8c7ceea0392635ce21038d2b7fc215d9116Bill Wendling 8432402123413080aee8e9418e4f08b8613ef5cc360Nick Lewycky APFloatVal = APFloat(std::atof(TokStart)); 844df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return lltok::APFloat; 8458e3a8e0452695643d04c21e15c94b802aef81baeChris Lattner} 846