Remove MCTargetAsmLexer and its derived classes now that edis,

its only user, is gone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170699 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 0 insertions, 164 deletions

diff --git a/lib/Target/X86/AsmParser/CMakeLists.txt b/lib/Target/X86/AsmParser/CMakeLists.txt
index 47489bb06c..54204d4b63 100644
--- a/lib/Target/X86/AsmParser/CMakeLists.txt
+++ b/lib/Target/X86/AsmParser/CMakeLists.txt
@@ -1,7 +1,6 @@
 include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
 
 add_llvm_library(LLVMX86AsmParser
-  X86AsmLexer.cpp
   X86AsmParser.cpp
   )
 
diff --git a/lib/Target/X86/AsmParser/X86AsmLexer.cpp b/lib/Target/X86/AsmParser/X86AsmLexer.cpp
deleted file mode 100644
index b12399d447..0000000000
--- a/lib/Target/X86/AsmParser/X86AsmLexer.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-//===-- X86AsmLexer.cpp - Tokenize X86 assembly to AsmTokens --------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/X86BaseInfo.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
-#include "llvm/MC/MCTargetAsmLexer.h"
-#include "llvm/Support/TargetRegistry.h"
-
-using namespace llvm;
-
-namespace {
-
-class X86AsmLexer : public MCTargetAsmLexer {
-  const MCAsmInfo &AsmInfo;
-
-  bool tentativeIsValid;
-  AsmToken tentativeToken;
-
-  const AsmToken &lexTentative() {
-    tentativeToken = getLexer()->Lex();
-    tentativeIsValid = true;
-    return tentativeToken;
-  }
-
-  const AsmToken &lexDefinite() {
-    if (tentativeIsValid) {
-      tentativeIsValid = false;
-      return tentativeToken;
-    }
-    return getLexer()->Lex();
-  }
-
-  AsmToken LexTokenATT();
-  AsmToken LexTokenIntel();
-protected:
-  AsmToken LexToken() {
-    if (!Lexer) {
-      SetError(SMLoc(), "No MCAsmLexer installed");
-      return AsmToken(AsmToken::Error, "", 0);
-    }
-
-    switch (AsmInfo.getAssemblerDialect()) {
-    default:
-      SetError(SMLoc(), "Unhandled dialect");
-      return AsmToken(AsmToken::Error, "", 0);
-    case 0:
-      return LexTokenATT();
-    case 1:
-      return LexTokenIntel();
-    }
-  }
-public:
-  X86AsmLexer(const Target &T, const MCRegisterInfo &MRI, const MCAsmInfo &MAI)
-    : MCTargetAsmLexer(T), AsmInfo(MAI), tentativeIsValid(false) {
-  }
-};
-
-} // end anonymous namespace
-
-#define GET_REGISTER_MATCHER
-#include "X86GenAsmMatcher.inc"
-
-AsmToken X86AsmLexer::LexTokenATT() {
-  AsmToken lexedToken = lexDefinite();
-
-  switch (lexedToken.getKind()) {
-  default:
-    return lexedToken;
-  case AsmToken::Error:
-    SetError(Lexer->getErrLoc(), Lexer->getErr());
-    return lexedToken;
-
-  case AsmToken::Percent: {
-    const AsmToken &nextToken = lexTentative();
-    if (nextToken.getKind() != AsmToken::Identifier)
-      return lexedToken;
-
-    if (unsigned regID = MatchRegisterName(nextToken.getString())) {
-      lexDefinite();
-
-      // FIXME: This is completely wrong when there is a space or other
-      // punctuation between the % and the register name.
-      StringRef regStr(lexedToken.getString().data(),
-                       lexedToken.getString().size() +
-                       nextToken.getString().size());
-
-      return AsmToken(AsmToken::Register, regStr,
-                      static_cast<int64_t>(regID));
-    }
-
-    // Match register name failed.  If this is "db[0-7]", match it as an alias
-    // for dr[0-7].
-    if (nextToken.getString().size() == 3 &&
-        nextToken.getString().startswith("db")) {
-      int RegNo = -1;
-      switch (nextToken.getString()[2]) {
-      case '0': RegNo = X86::DR0; break;
-      case '1': RegNo = X86::DR1; break;
-      case '2': RegNo = X86::DR2; break;
-      case '3': RegNo = X86::DR3; break;
-      case '4': RegNo = X86::DR4; break;
-      case '5': RegNo = X86::DR5; break;
-      case '6': RegNo = X86::DR6; break;
-      case '7': RegNo = X86::DR7; break;
-      }
-
-      if (RegNo != -1) {
-        lexDefinite();
-
-        // FIXME: This is completely wrong when there is a space or other
-        // punctuation between the % and the register name.
-        StringRef regStr(lexedToken.getString().data(),
-                         lexedToken.getString().size() +
-                         nextToken.getString().size());
-        return AsmToken(AsmToken::Register, regStr,
-                        static_cast<int64_t>(RegNo));
-      }
-    }
-
-
-    return lexedToken;
-  }
-  }
-}
-
-AsmToken X86AsmLexer::LexTokenIntel() {
-  const AsmToken &lexedToken = lexDefinite();
-
-  switch(lexedToken.getKind()) {
-  default:
-    return lexedToken;
-  case AsmToken::Error:
-    SetError(Lexer->getErrLoc(), Lexer->getErr());
-    return lexedToken;
-  case AsmToken::Identifier: {
-    unsigned regID = MatchRegisterName(lexedToken.getString().lower());
-
-    if (regID)
-      return AsmToken(AsmToken::Register,
-                      lexedToken.getString(),
-                      static_cast<int64_t>(regID));
-    return lexedToken;
-  }
-  }
-}
-
-extern "C" void LLVMInitializeX86AsmLexer() {
-  RegisterMCAsmLexer<X86AsmLexer> X(TheX86_32Target);
-  RegisterMCAsmLexer<X86AsmLexer> Y(TheX86_64Target);
-}
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index fdb7583ed0..cbdaeffc44 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -2059,14 +2059,10 @@ bool X86AsmParser::ParseDirectiveCode(StringRef IDVal, SMLoc L) {
   return false;
 }
 
-
-extern "C" void LLVMInitializeX86AsmLexer();
-
 // Force static initialization.
 extern "C" void LLVMInitializeX86AsmParser() {
   RegisterMCAsmParser<X86AsmParser> X(TheX86_32Target);
   RegisterMCAsmParser<X86AsmParser> Y(TheX86_64Target);
-  LLVMInitializeX86AsmLexer();
 }
 
 #define GET_REGISTER_MATCHER