[TimeProfiler] Fix "OptModule" section and add new "Backend" sections

Remove unnecessary "OptModule" section. Add "PerFunctionPasses",
"PerModulePasses" and "CodeGenPasses" sections under "Backend" section.

llvm-svn: 373142

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 71ae8fd4fb0..469aa0c9e0f 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -895,6 +895,7 @@ void EmitAssemblyHelper::EmitAssembly(BackendAction Action,
 
   {
     PrettyStackTraceString CrashInfo("Per-function optimization");
+    llvm::TimeTraceScope TimeScope("PerFunctionPasses", StringRef(""));
 
     PerFunctionPasses.doInitialization();
     for (Function &F : *TheModule)
@@ -905,11 +906,13 @@ void EmitAssemblyHelper::EmitAssembly(BackendAction Action,
 
   {
     PrettyStackTraceString CrashInfo("Per-module optimization passes");
+    llvm::TimeTraceScope TimeScope("PerModulePasses", StringRef(""));
     PerModulePasses.run(*TheModule);
   }
 
   {
     PrettyStackTraceString CrashInfo("Code generation");
+    llvm::TimeTraceScope TimeScope("CodeGenPasses", StringRef(""));
     CodeGenPasses.run(*TheModule);
   }