[llvm] Conditionally include target intrinsics, based on --enable-target

utils/TableGen/TGLexer.h

Index: utils/TableGen/TGLexer.h
===================================================================
--- utils/TableGen/TGLexer.h	(revision 138929)
+++ utils/TableGen/TGLexer.h	(working copy)
@@ -74,9 +74,13 @@
   int CurBuffer;
   /// Dependencies - This is the list of all included files.
   std::vector<std::string> Dependencies;
-  
+
+  /// PreProcDefines - This holds a list of TableGen defines (similar in
+  /// spirit to C pre-processor defines).
+  std::vector<std::string> PreProcDefines;
+
 public:
-  TGLexer(SourceMgr &SrcMgr);
+  TGLexer(SourceMgr &SrcMgr, std::vector<std::string> PreProcDefines);
   ~TGLexer() {}
   
   tgtok::TokKind Lex() {
@@ -101,7 +105,9 @@
   }
 
   SMLoc getLoc() const;
-  
+
+  bool hasPreProcDefine(const std::string &Symbol) const;
+
 private:
   /// LexToken - Read the next token and return its code.
   tgtok::TokKind LexToken();
@@ -113,6 +119,8 @@
   bool SkipCComment();
   tgtok::TokKind LexIdentifier();
   bool LexInclude();
+  bool LexIncludeIf();
+  bool AddIncludeFile(const std::string &Filename);
   tgtok::TokKind LexString();
   tgtok::TokKind LexVarName();
   tgtok::TokKind LexNumber();