-ftime-report switch support in Clang.

The current support of the feature produces only 2 lines in report:
 -Some general Code Generation Time;
 -Total time of Backend Consumer actions.
This patch extends Clang time report with new lines related to Preprocessor, Include Filea Search, Parsing, etc.
Differential Revision: https://reviews.llvm.org/D43578

llvm-svn: 329684

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/lib/Frontend/ASTMerge.cpp b/clang/lib/Frontend/ASTMerge.cpp
index 6ec0e2a98c1..b1a3407a423 100644
--- a/clang/lib/Frontend/ASTMerge.cpp
+++ b/clang/lib/Frontend/ASTMerge.cpp
@@ -6,13 +6,14 @@
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-#include "clang/Frontend/ASTUnit.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/ASTDiagnostic.h"
 #include "clang/AST/ASTImporter.h"
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Frontend/ASTUnit.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/FrontendActions.h"
+#include "llvm/Support/Timer.h"
 
 using namespace clang;
 
@@ -31,6 +32,8 @@ bool ASTMergeAction::BeginSourceFileAction(CompilerInstance &CI) {
 }
 
 void ASTMergeAction::ExecuteAction() {
+  llvm::NamedRegionTimer T("astmerge", "AST Merge actions", GroupName,
+                           GroupDescription, llvm::TimePassesIsEnabled);
   CompilerInstance &CI = getCompilerInstance();
   CI.getDiagnostics().getClient()->BeginSourceFile(
                                              CI.getASTContext().getLangOpts());