commit 4f2104c5adbcfe23c1f5865fb45783938645edfd
author Luboš Luňák <l.lunak@centrum.cz> Sat Nov 02 16:39:59 2019 +0100
committer Luboš Luňák <l.lunak@centrum.cz> Sat Nov 02 18:12:51 2019 +0100
tree 084d420e47377eeb69411a27ed85a38a7149c5c4
parent 5fb17829184045b0451624f572da692f5a8f629b

make -ftime-trace also trace time spent creating debug info

Differential Revision: https://reviews.llvm.org/D69750

clang/lib/CodeGen/CGDebugInfo.cpp

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 38750d7..e0bb3fd 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -46,6 +46,7 @@
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MD5.h"
 #include "llvm/Support/Path.h"
+#include "llvm/Support/TimeProfiler.h"
 using namespace clang;
 using namespace clang::CodeGen;
 
@@ -2968,6 +2969,13 @@
   if (Ty.isNull())
     return nullptr;
 
+  llvm::TimeTraceScope TimeScope("DebugType", [&]() {
+    std::string Name;
+    llvm::raw_string_ostream OS(Name);
+    Ty.print(OS, getPrintingPolicy());
+    return Name;
+  });
+
   // Unwrap the type as needed for debug information.
   Ty = UnwrapTypeForDebugInfo(Ty, CGM.getContext());
 
@@ -3686,6 +3694,15 @@
   if (!D)
     return;
 
+  llvm::TimeTraceScope TimeScope("DebugFunction", [&]() {
+    std::string Name;
+    llvm::raw_string_ostream OS(Name);
+    if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
+      ND->getNameForDiagnostic(OS, getPrintingPolicy(),
+                               /*Qualified=*/true);
+    return Name;
+  });
+
   llvm::DINode::DIFlags Flags = llvm::DINode::FlagZero;
   llvm::DIFile *Unit = getOrCreateFile(Loc);
   bool IsDeclForCallSite = Fn ? true : false;
@@ -4406,6 +4423,14 @@
   if (D->hasAttr<NoDebugAttr>())
     return;
 
+  llvm::TimeTraceScope TimeScope("DebugGlobalVariable", [&]() {
+    std::string Name;
+    llvm::raw_string_ostream OS(Name);
+    D->getNameForDiagnostic(OS, getPrintingPolicy(),
+                            /*Qualified=*/true);
+    return Name;
+  });
+
   // If we already created a DIGlobalVariable for this declaration, just attach
   // it to the llvm::GlobalVariable.
   auto Cached = DeclCache.find(D->getCanonicalDecl());
@@ -4466,6 +4491,14 @@
   assert(DebugKind >= codegenoptions::LimitedDebugInfo);
   if (VD->hasAttr<NoDebugAttr>())
     return;
+  llvm::TimeTraceScope TimeScope("DebugConstGlobalVariable", [&]() {
+    std::string Name;
+    llvm::raw_string_ostream OS(Name);
+    VD->getNameForDiagnostic(OS, getPrintingPolicy(),
+                             /*Qualified=*/true);
+    return Name;
+  });
+
   auto Align = getDeclAlignIfRequired(VD, CGM.getContext());
   // Create the descriptor for the variable.
   llvm::DIFile *Unit = getOrCreateFile(VD->getLocation());