Dont use/link ARCMT, StaticAnalyzer and Rewriter to clang when the user
specifies not to. Dont build ASTMatchers with Rewriter disabled and
StaticAnalyzer when it's disabled.
Without all those three, the clang binary shrinks (x86_64) from ~36MB
to ~32MB (unstripped).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170135 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/FrontendTool/ExecuteCompilerInvocation.cpp b/lib/FrontendTool/ExecuteCompilerInvocation.cpp
index aea5b08..8cc2592 100644
--- a/lib/FrontendTool/ExecuteCompilerInvocation.cpp
+++ b/lib/FrontendTool/ExecuteCompilerInvocation.cpp
@@ -31,6 +31,7 @@
static FrontendAction *CreateFrontendBaseAction(CompilerInstance &CI) {
using namespace clang::frontend;
+ StringRef Action("unknown");
switch (CI.getFrontendOpts().ProgramAction) {
case ASTDeclList: return new ASTDeclListAction();
@@ -42,12 +43,20 @@
case DumpTokens: return new DumpTokensAction();
case EmitAssembly: return new EmitAssemblyAction();
case EmitBC: return new EmitBCAction();
+#ifdef CLANG_ENABLE_REWRITER
case EmitHTML: return new HTMLPrintAction();
+#else
+ case EmitHTML: Action = "EmitHTML"; break;
+#endif
case EmitLLVM: return new EmitLLVMAction();
case EmitLLVMOnly: return new EmitLLVMOnlyAction();
case EmitCodeGenOnly: return new EmitCodeGenOnlyAction();
case EmitObj: return new EmitObjAction();
+#ifdef CLANG_ENABLE_REWRITER
case FixIt: return new FixItAction();
+#else
+ case FixIt: Action = "FixIt"; break;
+#endif
case GenerateModule: return new GenerateModuleAction;
case GeneratePCH: return new GeneratePCHAction;
case GeneratePTH: return new GeneratePTHAction();
@@ -74,19 +83,46 @@
case PrintDeclContext: return new DeclContextPrintAction();
case PrintPreamble: return new PrintPreambleAction();
case PrintPreprocessedInput: {
- if (CI.getPreprocessorOutputOpts().RewriteIncludes)
+ if (CI.getPreprocessorOutputOpts().RewriteIncludes) {
+#ifdef CLANG_ENABLE_REWRITER
return new RewriteIncludesAction();
+#else
+ Action = "RewriteIncludesAction";
+ break;
+#endif
+ }
return new PrintPreprocessedAction();
}
+#ifdef CLANG_ENABLE_REWRITER
case RewriteMacros: return new RewriteMacrosAction();
case RewriteObjC: return new RewriteObjCAction();
case RewriteTest: return new RewriteTestAction();
- case RunAnalysis: return new ento::AnalysisAction();
+#else
+ case RewriteMacros: Action = "RewriteMacros"; break;
+ case RewriteObjC: Action = "RewriteObjC"; break;
+ case RewriteTest: Action = "RewriteTest"; break;
+#endif
+#ifdef CLANG_ENABLE_ARCMT
case MigrateSource: return new arcmt::MigrateSourceAction();
+#else
+ case MigrateSource: Action = "MigrateSource"; break;
+#endif
+#ifdef CLANG_ENABLE_STATIC_ANALYZER
+ case RunAnalysis: return new ento::AnalysisAction();
+#else
+ case RunAnalysis: Action = "RunAnalysis"; break;
+#endif
case RunPreprocessorOnly: return new PreprocessOnlyAction();
}
+
+#if !defined(CLANG_ENABLE_ARCMT) || !defined(CLANG_ENABLE_STATIC_ANALYZER) \
+ || !defined(CLANG_ENABLE_REWRITER)
+ CI.getDiagnostics().Report(diag::err_fe_action_not_available) << Action;
+ return 0;
+#else
llvm_unreachable("Invalid program action!");
+#endif
}
static FrontendAction *CreateFrontendAction(CompilerInstance &CI) {
@@ -97,10 +133,13 @@
const FrontendOptions &FEOpts = CI.getFrontendOpts();
+#ifdef CLANG_ENABLE_REWRITER
if (FEOpts.FixAndRecompile) {
Act = new FixItRecompile(Act);
}
+#endif
+#ifdef CLANG_ENABLE_ARCMT
// Potentially wrap the base FE action in an ARC Migrate Tool action.
switch (FEOpts.ARCMTAction) {
case FrontendOptions::ARCMT_None:
@@ -124,6 +163,7 @@
FEOpts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals,
FEOpts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting);
}
+#endif
// If there are any AST files to merge, create a frontend action
// adaptor to perform the merge.
@@ -176,12 +216,14 @@
llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args);
}
+#ifdef CLANG_ENABLE_STATIC_ANALYZER
// Honor -analyzer-checker-help.
// This should happen AFTER plugins have been loaded!
if (Clang->getAnalyzerOpts()->ShowCheckerHelp) {
ento::printCheckerHelp(llvm::outs(), Clang->getFrontendOpts().Plugins);
return 0;
}
+#endif
// If there were errors in processing arguments, don't do anything else.
bool Success = false;