Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 753 deletions

diff --git a/gnu/llvm/lib/MC/MCParser/AsmLexer.cpp b/gnu/llvm/lib/MC/MCParser/AsmLexer.cpp
deleted file mode 100644
index 2b0d20f9b8e..00000000000
--- a/gnu/llvm/lib/MC/MCParser/AsmLexer.cpp
+++ /dev/null
@@ -1,753 +0,0 @@
-//===- AsmLexer.cpp - Lexer for Assembly Files ----------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class implements the lexer for assembly files.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCParser/AsmLexer.h"
-#include "llvm/ADT/APInt.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/Support/SMLoc.h"
-#include "llvm/Support/SaveAndRestore.h"
-#include <cassert>
-#include <cctype>
-#include <cstdio>
-#include <cstring>
-#include <string>
-#include <tuple>
-#include <utility>
-
-using namespace llvm;
-
-AsmLexer::AsmLexer(const MCAsmInfo &MAI) : MAI(MAI) {
-  AllowAtInIdentifier = !StringRef(MAI.getCommentString()).startswith("@");
-}
-
-AsmLexer::~AsmLexer() = default;
-
-void AsmLexer::setBuffer(StringRef Buf, const char *ptr) {
-  CurBuf = Buf;
-
-  if (ptr)
-    CurPtr = ptr;
-  else
-    CurPtr = CurBuf.begin();
-
-  TokStart = nullptr;
-}
-
-/// ReturnError - Set the error to the specified string at the specified
-/// location.  This is defined to always return AsmToken::Error.
-AsmToken AsmLexer::ReturnError(const char *Loc, const std::string &Msg) {
-  SetError(SMLoc::getFromPointer(Loc), Msg);
-
-  return AsmToken(AsmToken::Error, StringRef(Loc, CurPtr - Loc));
-}
-
-int AsmLexer::getNextChar() {
-  if (CurPtr == CurBuf.end())
-    return EOF;
-  return (unsigned char)*CurPtr++;
-}
-
-/// LexFloatLiteral: [0-9]*[.][0-9]*([eE][+-]?[0-9]*)?
-///
-/// The leading integral digit sequence and dot should have already been
-/// consumed, some or all of the fractional digit sequence *can* have been
-/// consumed.
-AsmToken AsmLexer::LexFloatLiteral() {
-  // Skip the fractional digit sequence.
-  while (isDigit(*CurPtr))
-    ++CurPtr;
-
-  // Check for exponent; we intentionally accept a slighlty wider set of
-  // literals here and rely on the upstream client to reject invalid ones (e.g.,
-  // "1e+").
-  if (*CurPtr == 'e' || *CurPtr == 'E') {
-    ++CurPtr;
-    if (*CurPtr == '-' || *CurPtr == '+')
-      ++CurPtr;
-    while (isDigit(*CurPtr))
-      ++CurPtr;
-  }
-
-  return AsmToken(AsmToken::Real,
-                  StringRef(TokStart, CurPtr - TokStart));
-}
-
-/// LexHexFloatLiteral matches essentially (.[0-9a-fA-F]*)?[pP][+-]?[0-9a-fA-F]+
-/// while making sure there are enough actual digits around for the constant to
-/// be valid.
-///
-/// The leading "0x[0-9a-fA-F]*" (i.e. integer part) has already been consumed
-/// before we get here.
-AsmToken AsmLexer::LexHexFloatLiteral(bool NoIntDigits) {
-  assert((*CurPtr == 'p' || *CurPtr == 'P' || *CurPtr == '.') &&
-         "unexpected parse state in floating hex");
-  bool NoFracDigits = true;
-
-  // Skip the fractional part if there is one
-  if (*CurPtr == '.') {
-    ++CurPtr;
-
-    const char *FracStart = CurPtr;
-    while (isHexDigit(*CurPtr))
-      ++CurPtr;
-
-    NoFracDigits = CurPtr == FracStart;
-  }
-
-  if (NoIntDigits && NoFracDigits)
-    return ReturnError(TokStart, "invalid hexadecimal floating-point constant: "
-                                 "expected at least one significand digit");
-
-  // Make sure we do have some kind of proper exponent part
-  if (*CurPtr != 'p' && *CurPtr != 'P')
-    return ReturnError(TokStart, "invalid hexadecimal floating-point constant: "
-                                 "expected exponent part 'p'");
-  ++CurPtr;
-
-  if (*CurPtr == '+' || *CurPtr == '-')
-    ++CurPtr;
-
-  // N.b. exponent digits are *not* hex
-  const char *ExpStart = CurPtr;
-  while (isDigit(*CurPtr))
-    ++CurPtr;
-
-  if (CurPtr == ExpStart)
-    return ReturnError(TokStart, "invalid hexadecimal floating-point constant: "
-                                 "expected at least one exponent digit");
-
-  return AsmToken(AsmToken::Real, StringRef(TokStart, CurPtr - TokStart));
-}
-
-/// LexIdentifier: [a-zA-Z_.][a-zA-Z0-9_$.@?]*
-static bool IsIdentifierChar(char c, bool AllowAt) {
-  return isAlnum(c) || c == '_' || c == '$' || c == '.' ||
-         (c == '@' && AllowAt) || c == '?';
-}
-
-AsmToken AsmLexer::LexIdentifier() {
-  // Check for floating point literals.
-  if (CurPtr[-1] == '.' && isDigit(*CurPtr)) {
-    // Disambiguate a .1243foo identifier from a floating literal.
-    while (isDigit(*CurPtr))
-      ++CurPtr;
-    if (*CurPtr == 'e' || *CurPtr == 'E' ||
-        !IsIdentifierChar(*CurPtr, AllowAtInIdentifier))
-      return LexFloatLiteral();
-  }
-
-  while (IsIdentifierChar(*CurPtr, AllowAtInIdentifier))
-    ++CurPtr;
-
-  // Handle . as a special case.
-  if (CurPtr == TokStart+1 && TokStart[0] == '.')
-    return AsmToken(AsmToken::Dot, StringRef(TokStart, 1));
-
-  return AsmToken(AsmToken::Identifier, StringRef(TokStart, CurPtr - TokStart));
-}
-
-/// LexSlash: Slash: /
-///           C-Style Comment: /* ... */
-AsmToken AsmLexer::LexSlash() {
-  switch (*CurPtr) {
-  case '*':
-    IsAtStartOfStatement = false;
-    break; // C style comment.
-  case '/':
-    ++CurPtr;
-    return LexLineComment();
-  default:
-    IsAtStartOfStatement = false;
-    return AsmToken(AsmToken::Slash, StringRef(TokStart, 1));
-  }
-
-  // C Style comment.
-  ++CurPtr;  // skip the star.
-  const char *CommentTextStart = CurPtr;
-  while (CurPtr != CurBuf.end()) {
-    switch (*CurPtr++) {
-    case '*':
-      // End of the comment?
-      if (*CurPtr != '/')
-        break;
-      // If we have a CommentConsumer, notify it about the comment.
-      if (CommentConsumer) {
-        CommentConsumer->HandleComment(
-            SMLoc::getFromPointer(CommentTextStart),
-            StringRef(CommentTextStart, CurPtr - 1 - CommentTextStart));
-      }
-      ++CurPtr;   // End the */.
-      return AsmToken(AsmToken::Comment,
-                      StringRef(TokStart, CurPtr - TokStart));
-    }
-  }
-  return ReturnError(TokStart, "unterminated comment");
-}
-
-/// LexLineComment: Comment: #[^\n]*
-///                        : //[^\n]*
-AsmToken AsmLexer::LexLineComment() {
-  // Mark This as an end of statement with a body of the
-  // comment. While it would be nicer to leave this two tokens,
-  // backwards compatability with TargetParsers makes keeping this in this form
-  // better.
-  const char *CommentTextStart = CurPtr;
-  int CurChar = getNextChar();
-  while (CurChar != '\n' && CurChar != '\r' && CurChar != EOF)
-    CurChar = getNextChar();
-  if (CurChar == '\r' && CurPtr != CurBuf.end() && *CurPtr == '\n')
-    ++CurPtr;
-
-  // If we have a CommentConsumer, notify it about the comment.
-  if (CommentConsumer) {
-    CommentConsumer->HandleComment(
-        SMLoc::getFromPointer(CommentTextStart),
-        StringRef(CommentTextStart, CurPtr - 1 - CommentTextStart));
-  }
-
-  IsAtStartOfLine = true;
-  // This is a whole line comment. leave newline
-  if (IsAtStartOfStatement)
-    return AsmToken(AsmToken::EndOfStatement,
-                    StringRef(TokStart, CurPtr - TokStart));
-  IsAtStartOfStatement = true;
-
-  return AsmToken(AsmToken::EndOfStatement,
-                  StringRef(TokStart, CurPtr - 1 - TokStart));
-}
-
-static void SkipIgnoredIntegerSuffix(const char *&CurPtr) {
-  // Skip ULL, UL, U, L and LL suffices.
-  if (CurPtr[0] == 'U')
-    ++CurPtr;
-  if (CurPtr[0] == 'L')
-    ++CurPtr;
-  if (CurPtr[0] == 'L')
-    ++CurPtr;
-}
-
-// Look ahead to search for first non-hex digit, if it's [hH], then we treat the
-// integer as a hexadecimal, possibly with leading zeroes.
-static unsigned doHexLookAhead(const char *&CurPtr, unsigned DefaultRadix,
-                               bool LexHex) {
-  const char *FirstNonDec = nullptr;
-  const char *LookAhead = CurPtr;
-  while (true) {
-    if (isDigit(*LookAhead)) {
-      ++LookAhead;
-    } else {
-      if (!FirstNonDec)
-        FirstNonDec = LookAhead;
-
-      // Keep going if we are looking for a 'h' suffix.
-      if (LexHex && isHexDigit(*LookAhead))
-        ++LookAhead;
-      else
-        break;
-    }
-  }
-  bool isHex = LexHex && (*LookAhead == 'h' || *LookAhead == 'H');
-  CurPtr = isHex || !FirstNonDec ? LookAhead : FirstNonDec;
-  if (isHex)
-    return 16;
-  return DefaultRadix;
-}
-
-static AsmToken intToken(StringRef Ref, APInt &Value)
-{
-  if (Value.isIntN(64))
-    return AsmToken(AsmToken::Integer, Ref, Value);
-  return AsmToken(AsmToken::BigNum, Ref, Value);
-}
-
-/// LexDigit: First character is [0-9].
-///   Local Label: [0-9][:]
-///   Forward/Backward Label: [0-9][fb]
-///   Binary integer: 0b[01]+
-///   Octal integer: 0[0-7]+
-///   Hex integer: 0x[0-9a-fA-F]+ or [0x]?[0-9][0-9a-fA-F]*[hH]
-///   Decimal integer: [1-9][0-9]*
-AsmToken AsmLexer::LexDigit() {
-  // MASM-flavor binary integer: [01]+[bB]
-  // MASM-flavor hexadecimal integer: [0-9][0-9a-fA-F]*[hH]
-  if (LexMasmIntegers && isdigit(CurPtr[-1])) {
-    const char *FirstNonBinary = (CurPtr[-1] != '0' && CurPtr[-1] != '1') ?
-                                   CurPtr - 1 : nullptr;
-    const char *OldCurPtr = CurPtr;
-    while (isHexDigit(*CurPtr)) {
-      if (*CurPtr != '0' && *CurPtr != '1' && !FirstNonBinary)
-        FirstNonBinary = CurPtr;
-      ++CurPtr;
-    }
-
-    unsigned Radix = 0;
-    if (*CurPtr == 'h' || *CurPtr == 'H') {
-      // hexadecimal number
-      ++CurPtr;
-      Radix = 16;
-    } else if (FirstNonBinary && FirstNonBinary + 1 == CurPtr &&
-               (*FirstNonBinary == 'b' || *FirstNonBinary == 'B'))
-      Radix = 2;
-
-    if (Radix == 2 || Radix == 16) {
-      StringRef Result(TokStart, CurPtr - TokStart);
-      APInt Value(128, 0, true);
-
-      if (Result.drop_back().getAsInteger(Radix, Value))
-        return ReturnError(TokStart, Radix == 2 ? "invalid binary number" :
-                             "invalid hexdecimal number");
-
-      // MSVC accepts and ignores type suffices on integer literals.
-      SkipIgnoredIntegerSuffix(CurPtr);
-
-      return intToken(Result, Value);
-   }
-
-    // octal/decimal integers, or floating point numbers, fall through
-    CurPtr = OldCurPtr;
-  }
-
-  // Decimal integer: [1-9][0-9]*
-  if (CurPtr[-1] != '0' || CurPtr[0] == '.') {
-    unsigned Radix = doHexLookAhead(CurPtr, 10, LexMasmIntegers);
-    bool isHex = Radix == 16;
-    // Check for floating point literals.
-    if (!isHex && (*CurPtr == '.' || *CurPtr == 'e')) {
-      ++CurPtr;
-      return LexFloatLiteral();
-    }
-
-    StringRef Result(TokStart, CurPtr - TokStart);
-
-    APInt Value(128, 0, true);
-    if (Result.getAsInteger(Radix, Value))
-      return ReturnError(TokStart, !isHex ? "invalid decimal number" :
-                           "invalid hexdecimal number");
-
-    // Consume the [hH].
-    if (LexMasmIntegers && Radix == 16)
-      ++CurPtr;
-
-    // The darwin/x86 (and x86-64) assembler accepts and ignores type
-    // suffices on integer literals.
-    SkipIgnoredIntegerSuffix(CurPtr);
-
-    return intToken(Result, Value);
-  }
-
-  if (!LexMasmIntegers && ((*CurPtr == 'b') || (*CurPtr == 'B'))) {
-    ++CurPtr;
-    // See if we actually have "0b" as part of something like "jmp 0b\n"
-    if (!isDigit(CurPtr[0])) {
-      --CurPtr;
-      StringRef Result(TokStart, CurPtr - TokStart);
-      return AsmToken(AsmToken::Integer, Result, 0);
-    }
-    const char *NumStart = CurPtr;
-    while (CurPtr[0] == '0' || CurPtr[0] == '1')
-      ++CurPtr;
-
-    // Requires at least one binary digit.
-    if (CurPtr == NumStart)
-      return ReturnError(TokStart, "invalid binary number");
-
-    StringRef Result(TokStart, CurPtr - TokStart);
-
-    APInt Value(128, 0, true);
-    if (Result.substr(2).getAsInteger(2, Value))
-      return ReturnError(TokStart, "invalid binary number");
-
-    // The darwin/x86 (and x86-64) assembler accepts and ignores ULL and LL
-    // suffixes on integer literals.
-    SkipIgnoredIntegerSuffix(CurPtr);
-
-    return intToken(Result, Value);
-  }
-
-  if ((*CurPtr == 'x') || (*CurPtr == 'X')) {
-    ++CurPtr;
-    const char *NumStart = CurPtr;
-    while (isHexDigit(CurPtr[0]))
-      ++CurPtr;
-
-    // "0x.0p0" is valid, and "0x0p0" (but not "0xp0" for example, which will be
-    // diagnosed by LexHexFloatLiteral).
-    if (CurPtr[0] == '.' || CurPtr[0] == 'p' || CurPtr[0] == 'P')
-      return LexHexFloatLiteral(NumStart == CurPtr);
-
-    // Otherwise requires at least one hex digit.
-    if (CurPtr == NumStart)
-      return ReturnError(CurPtr-2, "invalid hexadecimal number");
-
-    APInt Result(128, 0);
-    if (StringRef(TokStart, CurPtr - TokStart).getAsInteger(0, Result))
-      return ReturnError(TokStart, "invalid hexadecimal number");
-
-    // Consume the optional [hH].
-    if (LexMasmIntegers && (*CurPtr == 'h' || *CurPtr == 'H'))
-      ++CurPtr;
-
-    // The darwin/x86 (and x86-64) assembler accepts and ignores ULL and LL
-    // suffixes on integer literals.
-    SkipIgnoredIntegerSuffix(CurPtr);
-
-    return intToken(StringRef(TokStart, CurPtr - TokStart), Result);
-  }
-
-  // Either octal or hexadecimal.
-  APInt Value(128, 0, true);
-  unsigned Radix = doHexLookAhead(CurPtr, 8, LexMasmIntegers);
-  bool isHex = Radix == 16;
-  StringRef Result(TokStart, CurPtr - TokStart);
-  if (Result.getAsInteger(Radix, Value))
-    return ReturnError(TokStart, !isHex ? "invalid octal number" :
-                       "invalid hexdecimal number");
-
-  // Consume the [hH].
-  if (Radix == 16)
-    ++CurPtr;
-
-  // The darwin/x86 (and x86-64) assembler accepts and ignores ULL and LL
-  // suffixes on integer literals.
-  SkipIgnoredIntegerSuffix(CurPtr);
-
-  return intToken(Result, Value);
-}
-
-/// LexSingleQuote: Integer: 'b'
-AsmToken AsmLexer::LexSingleQuote() {
-  int CurChar = getNextChar();
-
-  if (CurChar == '\\')
-    CurChar = getNextChar();
-
-  if (CurChar == EOF)
-    return ReturnError(TokStart, "unterminated single quote");
-
-  CurChar = getNextChar();
-
-  if (CurChar != '\'')
-    return ReturnError(TokStart, "single quote way too long");
-
-  // The idea here being that 'c' is basically just an integral
-  // constant.
-  StringRef Res = StringRef(TokStart,CurPtr - TokStart);
-  long long Value;
-
-  if (Res.startswith("\'\\")) {
-    char theChar = Res[2];
-    switch (theChar) {
-      default: Value = theChar; break;
-      case '\'': Value = '\''; break;
-      case 't': Value = '\t'; break;
-      case 'n': Value = '\n'; break;
-      case 'b': Value = '\b'; break;
-    }
-  } else
-    Value = TokStart[1];
-
-  return AsmToken(AsmToken::Integer, Res, Value);
-}
-
-/// LexQuote: String: "..."
-AsmToken AsmLexer::LexQuote() {
-  int CurChar = getNextChar();
-  // TODO: does gas allow multiline string constants?
-  while (CurChar != '"') {
-    if (CurChar == '\\') {
-      // Allow \", etc.
-      CurChar = getNextChar();
-    }
-
-    if (CurChar == EOF)
-      return ReturnError(TokStart, "unterminated string constant");
-
-    CurChar = getNextChar();
-  }
-
-  return AsmToken(AsmToken::String, StringRef(TokStart, CurPtr - TokStart));
-}
-
-StringRef AsmLexer::LexUntilEndOfStatement() {
-  TokStart = CurPtr;
-
-  while (!isAtStartOfComment(CurPtr) &&     // Start of line comment.
-         !isAtStatementSeparator(CurPtr) && // End of statement marker.
-         *CurPtr != '\n' && *CurPtr != '\r' && CurPtr != CurBuf.end()) {
-    ++CurPtr;
-  }
-  return StringRef(TokStart, CurPtr-TokStart);
-}
-
-StringRef AsmLexer::LexUntilEndOfLine() {
-  TokStart = CurPtr;
-
-  while (*CurPtr != '\n' && *CurPtr != '\r' && CurPtr != CurBuf.end()) {
-    ++CurPtr;
-  }
-  return StringRef(TokStart, CurPtr-TokStart);
-}
-
-size_t AsmLexer::peekTokens(MutableArrayRef<AsmToken> Buf,
-                            bool ShouldSkipSpace) {
-  SaveAndRestore<const char *> SavedTokenStart(TokStart);
-  SaveAndRestore<const char *> SavedCurPtr(CurPtr);
-  SaveAndRestore<bool> SavedAtStartOfLine(IsAtStartOfLine);
-  SaveAndRestore<bool> SavedAtStartOfStatement(IsAtStartOfStatement);
-  SaveAndRestore<bool> SavedSkipSpace(SkipSpace, ShouldSkipSpace);
-  SaveAndRestore<bool> SavedIsPeeking(IsPeeking, true);
-  std::string SavedErr = getErr();
-  SMLoc SavedErrLoc = getErrLoc();
-
-  size_t ReadCount;
-  for (ReadCount = 0; ReadCount < Buf.size(); ++ReadCount) {
-    AsmToken Token = LexToken();
-
-    Buf[ReadCount] = Token;
-
-    if (Token.is(AsmToken::Eof))
-      break;
-  }
-
-  SetError(SavedErrLoc, SavedErr);
-  return ReadCount;
-}
-
-bool AsmLexer::isAtStartOfComment(const char *Ptr) {
-  StringRef CommentString = MAI.getCommentString();
-
-  if (CommentString.size() == 1)
-    return CommentString[0] == Ptr[0];
-
-  // Allow # preprocessor commments also be counted as comments for "##" cases
-  if (CommentString[1] == '#')
-    return CommentString[0] == Ptr[0];
-
-  return strncmp(Ptr, CommentString.data(), CommentString.size()) == 0;
-}
-
-bool AsmLexer::isAtStatementSeparator(const char *Ptr) {
-  return strncmp(Ptr, MAI.getSeparatorString(),
-                 strlen(MAI.getSeparatorString())) == 0;
-}
-
-AsmToken AsmLexer::LexToken() {
-  TokStart = CurPtr;
-  // This always consumes at least one character.
-  int CurChar = getNextChar();
-
-  if (!IsPeeking && CurChar == '#' && IsAtStartOfStatement) {
-    // If this starts with a '#', this may be a cpp
-    // hash directive and otherwise a line comment.
-    AsmToken TokenBuf[2];
-    MutableArrayRef<AsmToken> Buf(TokenBuf, 2);
-    size_t num = peekTokens(Buf, true);
-    // There cannot be a space preceeding this
-    if (IsAtStartOfLine && num == 2 && TokenBuf[0].is(AsmToken::Integer) &&
-        TokenBuf[1].is(AsmToken::String)) {
-      CurPtr = TokStart; // reset curPtr;
-      StringRef s = LexUntilEndOfLine();
-      UnLex(TokenBuf[1]);
-      UnLex(TokenBuf[0]);
-      return AsmToken(AsmToken::HashDirective, s);
-    }
-    return LexLineComment();
-  }
-
-  if (isAtStartOfComment(TokStart))
-    return LexLineComment();
-
-  if (isAtStatementSeparator(TokStart)) {
-    CurPtr += strlen(MAI.getSeparatorString()) - 1;
-    IsAtStartOfLine = true;
-    IsAtStartOfStatement = true;
-    return AsmToken(AsmToken::EndOfStatement,
-                    StringRef(TokStart, strlen(MAI.getSeparatorString())));
-  }
-
-  // If we're missing a newline at EOF, make sure we still get an
-  // EndOfStatement token before the Eof token.
-  if (CurChar == EOF && !IsAtStartOfStatement) {
-    IsAtStartOfLine = true;
-    IsAtStartOfStatement = true;
-    return AsmToken(AsmToken::EndOfStatement, StringRef(TokStart, 1));
-  }
-  IsAtStartOfLine = false;
-  bool OldIsAtStartOfStatement = IsAtStartOfStatement;
-  IsAtStartOfStatement = false;
-  switch (CurChar) {
-  default:
-    // Handle identifier: [a-zA-Z_.][a-zA-Z0-9_$.@]*
-    if (isalpha(CurChar) || CurChar == '_' || CurChar == '.')
-      return LexIdentifier();
-
-    // Unknown character, emit an error.
-    return ReturnError(TokStart, "invalid character in input");
-  case EOF:
-    IsAtStartOfLine = true;
-    IsAtStartOfStatement = true;
-    return AsmToken(AsmToken::Eof, StringRef(TokStart, 0));
-  case 0:
-  case ' ':
-  case '\t':
-    IsAtStartOfStatement = OldIsAtStartOfStatement;
-    while (*CurPtr == ' ' || *CurPtr == '\t')
-      CurPtr++;
-    if (SkipSpace)
-      return LexToken(); // Ignore whitespace.
-    else
-      return AsmToken(AsmToken::Space, StringRef(TokStart, CurPtr - TokStart));
-  case '\r': {
-    IsAtStartOfLine = true;
-    IsAtStartOfStatement = true;
-    // If this is a CR followed by LF, treat that as one token.
-    if (CurPtr != CurBuf.end() && *CurPtr == '\n')
-      ++CurPtr;
-    return AsmToken(AsmToken::EndOfStatement,
-                    StringRef(TokStart, CurPtr - TokStart));
-  }
-  case '\n':
-    IsAtStartOfLine = true;
-    IsAtStartOfStatement = true;
-    return AsmToken(AsmToken::EndOfStatement, StringRef(TokStart, 1));
-  case ':': return AsmToken(AsmToken::Colon, StringRef(TokStart, 1));
-  case '+': return AsmToken(AsmToken::Plus, StringRef(TokStart, 1));
-  case '~': return AsmToken(AsmToken::Tilde, StringRef(TokStart, 1));
-  case '(': return AsmToken(AsmToken::LParen, StringRef(TokStart, 1));
-  case ')': return AsmToken(AsmToken::RParen, StringRef(TokStart, 1));
-  case '[': return AsmToken(AsmToken::LBrac, StringRef(TokStart, 1));
-  case ']': return AsmToken(AsmToken::RBrac, StringRef(TokStart, 1));
-  case '{': return AsmToken(AsmToken::LCurly, StringRef(TokStart, 1));
-  case '}': return AsmToken(AsmToken::RCurly, StringRef(TokStart, 1));
-  case '*': return AsmToken(AsmToken::Star, StringRef(TokStart, 1));
-  case ',': return AsmToken(AsmToken::Comma, StringRef(TokStart, 1));
-  case '$': return AsmToken(AsmToken::Dollar, StringRef(TokStart, 1));
-  case '@': return AsmToken(AsmToken::At, StringRef(TokStart, 1));
-  case '\\': return AsmToken(AsmToken::BackSlash, StringRef(TokStart, 1));
-  case '=':
-    if (*CurPtr == '=') {
-      ++CurPtr;
-      return AsmToken(AsmToken::EqualEqual, StringRef(TokStart, 2));
-    }
-    return AsmToken(AsmToken::Equal, StringRef(TokStart, 1));
-  case '-':
-    if (*CurPtr == '>') {
-      ++CurPtr;
-      return AsmToken(AsmToken::MinusGreater, StringRef(TokStart, 2));
-    }
-    return AsmToken(AsmToken::Minus, StringRef(TokStart, 1));
-  case '|':
-    if (*CurPtr == '|') {
-      ++CurPtr;
-      return AsmToken(AsmToken::PipePipe, StringRef(TokStart, 2));
-    }
-    return AsmToken(AsmToken::Pipe, StringRef(TokStart, 1));
-  case '^': return AsmToken(AsmToken::Caret, StringRef(TokStart, 1));
-  case '&':
-    if (*CurPtr == '&') {
-      ++CurPtr;
-      return AsmToken(AsmToken::AmpAmp, StringRef(TokStart, 2));
-    }
-    return AsmToken(AsmToken::Amp, StringRef(TokStart, 1));
-  case '!':
-    if (*CurPtr == '=') {
-      ++CurPtr;
-      return AsmToken(AsmToken::ExclaimEqual, StringRef(TokStart, 2));
-    }
-    return AsmToken(AsmToken::Exclaim, StringRef(TokStart, 1));
-  case '%':
-    if (MAI.hasMipsExpressions()) {
-      AsmToken::TokenKind Operator;
-      unsigned OperatorLength;
-
-      std::tie(Operator, OperatorLength) =
-          StringSwitch<std::pair<AsmToken::TokenKind, unsigned>>(
-              StringRef(CurPtr))
-              .StartsWith("call16", {AsmToken::PercentCall16, 7})
-              .StartsWith("call_hi", {AsmToken::PercentCall_Hi, 8})
-              .StartsWith("call_lo", {AsmToken::PercentCall_Lo, 8})
-              .StartsWith("dtprel_hi", {AsmToken::PercentDtprel_Hi, 10})
-              .StartsWith("dtprel_lo", {AsmToken::PercentDtprel_Lo, 10})
-              .StartsWith("got_disp", {AsmToken::PercentGot_Disp, 9})
-              .StartsWith("got_hi", {AsmToken::PercentGot_Hi, 7})
-              .StartsWith("got_lo", {AsmToken::PercentGot_Lo, 7})
-              .StartsWith("got_ofst", {AsmToken::PercentGot_Ofst, 9})
-              .StartsWith("got_page", {AsmToken::PercentGot_Page, 9})
-              .StartsWith("gottprel", {AsmToken::PercentGottprel, 9})
-              .StartsWith("got", {AsmToken::PercentGot, 4})
-              .StartsWith("gp_rel", {AsmToken::PercentGp_Rel, 7})
-              .StartsWith("higher", {AsmToken::PercentHigher, 7})
-              .StartsWith("highest", {AsmToken::PercentHighest, 8})
-              .StartsWith("hi", {AsmToken::PercentHi, 3})
-              .StartsWith("lo", {AsmToken::PercentLo, 3})
-              .StartsWith("neg", {AsmToken::PercentNeg, 4})
-              .StartsWith("pcrel_hi", {AsmToken::PercentPcrel_Hi, 9})
-              .StartsWith("pcrel_lo", {AsmToken::PercentPcrel_Lo, 9})
-              .StartsWith("tlsgd", {AsmToken::PercentTlsgd, 6})
-              .StartsWith("tlsldm", {AsmToken::PercentTlsldm, 7})
-              .StartsWith("tprel_hi", {AsmToken::PercentTprel_Hi, 9})
-              .StartsWith("tprel_lo", {AsmToken::PercentTprel_Lo, 9})
-              .Default({AsmToken::Percent, 1});
-
-      if (Operator != AsmToken::Percent) {
-        CurPtr += OperatorLength - 1;
-        return AsmToken(Operator, StringRef(TokStart, OperatorLength));
-      }
-    }
-    return AsmToken(AsmToken::Percent, StringRef(TokStart, 1));
-  case '/':
-    IsAtStartOfStatement = OldIsAtStartOfStatement;
-    return LexSlash();
-  case '#': return AsmToken(AsmToken::Hash, StringRef(TokStart, 1));
-  case '\'': return LexSingleQuote();
-  case '"': return LexQuote();
-  case '0': case '1': case '2': case '3': case '4':
-  case '5': case '6': case '7': case '8': case '9':
-    return LexDigit();
-  case '<':
-    switch (*CurPtr) {
-    case '<':
-      ++CurPtr;
-      return AsmToken(AsmToken::LessLess, StringRef(TokStart, 2));
-    case '=':
-      ++CurPtr;
-      return AsmToken(AsmToken::LessEqual, StringRef(TokStart, 2));
-    case '>':
-      ++CurPtr;
-      return AsmToken(AsmToken::LessGreater, StringRef(TokStart, 2));
-    default:
-      return AsmToken(AsmToken::Less, StringRef(TokStart, 1));
-    }
-  case '>':
-    switch (*CurPtr) {
-    case '>':
-      ++CurPtr;
-      return AsmToken(AsmToken::GreaterGreater, StringRef(TokStart, 2));
-    case '=':
-      ++CurPtr;
-      return AsmToken(AsmToken::GreaterEqual, StringRef(TokStart, 2));
-    default:
-      return AsmToken(AsmToken::Greater, StringRef(TokStart, 1));
-    }
-
-  // TODO: Quoted identifiers (objc methods etc)
-  // local labels: [0-9][:]
-  // Forward/backward labels: [0-9][fb]
-  // Integers, fp constants, character constants.
-  }
-}