commit 8106d8082c406b4c381cd0d9604835fc35b45990
author Sean Callanan <scallanan@apple.com> Fri Mar 08 20:04:57 2013 +0000
committer Sean Callanan <scallanan@apple.com> Fri Mar 08 20:04:57 2013 +0000
tree 6f30c6ad513b7cf77d6665b4cee0d397e3e65238
parent cadde909838380054e5cc88c65c976723e247abd

Added very lightweight, statically-allocated
counters for a variety of metrics associated
with expression parsing.  This should give some
idea of how much work the expression parser is
doing on Clang's behalf, and help with hopefully
reducing that load over time.

<rdar://problem/13210748> Audit type search/import for expressions

llvm-svn: 176714

lldb/source/Expression/ClangASTSource.cpp

diff --git a/lldb/source/Expression/ClangASTSource.cpp b/lldb/source/Expression/ClangASTSource.cpp
index 266dce8..c394a8c 100644
--- a/lldb/source/Expression/ClangASTSource.cpp
+++ b/lldb/source/Expression/ClangASTSource.cpp
@@ -367,7 +367,9 @@
 ClangASTSource::FindExternalLexicalDecls (const DeclContext *decl_context,
                                           bool (*predicate)(Decl::Kind),
                                           llvm::SmallVectorImpl<Decl*> &decls)
-{    
+{
+    ClangASTMetrics::RegisterLexicalQuery();
+
     lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
     
     const Decl *context_decl = dyn_cast<Decl>(decl_context);
@@ -485,6 +487,8 @@
 {
     assert (m_ast_context);
     
+    ClangASTMetrics::RegisterVisibleQuery();
+    
     const ConstString name(context.m_decl_name.getAsString().c_str());
     
     lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
@@ -1435,6 +1439,8 @@
                                  BaseOffsetMap &base_offsets,
                                  BaseOffsetMap &virtual_base_offsets)
 {
+    ClangASTMetrics::RegisterRecordLayout();
+    
     static unsigned int invocation_id = 0;
     unsigned int current_id = invocation_id++;
     
@@ -1677,7 +1683,9 @@
 ClangASTSource::GuardedCopyType (ASTContext *dest_context, 
                                  ASTContext *source_context,
                                  void *clang_type)
-{    
+{
+    ClangASTMetrics::RegisterLLDBImport();
+    
     SetImportInProgress(true);
     
     QualType ret_qual_type = m_ast_importer->CopyType (m_ast_context, source_context, QualType::getFromOpaquePtr(clang_type));