simplify the Preprocessor ctor.

llvm-svn: 39208

clang/Driver/clang.cpp

@@ -839,7 +839,7 @@ static void ProcessInputFile(const std::string &InFile,
   FileManager &FileMgr = HeaderInfo.getFileMgr();
   
   // Set up the preprocessor with these options.
-  Preprocessor PP(Diags, LangInfo, Target, FileMgr, SourceMgr, HeaderInfo);
+  Preprocessor PP(Diags, LangInfo, Target, SourceMgr, HeaderInfo);
   
   // Install things like __POWERPC__, __GNUC__, etc into the macro table.
   std::vector<char> PrologMacros;
@@ -935,8 +935,8 @@ static void ProcessInputFile(const std::string &InFile,
   }
   
   if (Stats) {
-    PP.getIdentifierTable().PrintStats();
     PP.PrintStats();
+    PP.getIdentifierTable().PrintStats();
     std::cerr << "\n";
   }
 }
@@ -995,10 +995,10 @@ int main(int argc, char **argv) {
     std::cerr << NumDiagnostics << " diagnostics generated.\n";
   
   if (Stats) {
-    // Printed from low-to-high level.
-    FileMgr.PrintStats();
-    SourceMgr.PrintStats();
+    // Printed from high-to-low level.
     HeaderInfo.PrintStats();
+    SourceMgr.PrintStats();
+    FileMgr.PrintStats();
     std::cerr << "\n";
   }
   

clang/Lex/Preprocessor.cpp

@@ -43,11 +43,10 @@ using namespace clang;
 //===----------------------------------------------------------------------===//
 
 Preprocessor::Preprocessor(Diagnostic &diags, const LangOptions &opts,
-                           TargetInfo &target,
-                           FileManager &FM, SourceManager &SM, 
+                           TargetInfo &target, SourceManager &SM, 
                            HeaderSearch &Headers) 
-  : Diags(diags), Features(opts), Target(target), FileMgr(FM), SourceMgr(SM),
-    HeaderInfo(Headers), Identifiers(opts),
+  : Diags(diags), Features(opts), Target(target), FileMgr(Headers.getFileMgr()),
+    SourceMgr(SM), HeaderInfo(Headers), Identifiers(opts),
     CurLexer(0), CurDirLookup(0), CurMacroExpander(0), Callbacks(0) {
   ScratchBuf = new ScratchBuffer(SourceMgr);
       

clang/include/clang/Lex/Preprocessor.h

@@ -113,7 +113,7 @@ class Preprocessor {
   unsigned NumSkipped;
 public:
   Preprocessor(Diagnostic &diags, const LangOptions &opts, TargetInfo &target,
-               FileManager &FM, SourceManager &SM, HeaderSearch &Headers);
+               SourceManager &SM, HeaderSearch &Headers);
   ~Preprocessor();
 
   Diagnostic &getDiagnostics() const { return Diags; }