[PATCH] D32803: [LTO] Print time-passes information at conclusion of LTO codegen

[James Henderson via Phabricator via llvm-commits]

jhenderson updated this revision to Diff 98966.
jhenderson marked an inline comment as done.
jhenderson added a comment.
Herald added a subscriber: eraman.

Renamed function and added doxygen comment.


https://reviews.llvm.org/D32803

Files:
  include/llvm/IR/LegacyPassManager.h
  lib/IR/LegacyPassManager.cpp
  lib/LTO/LTOCodeGenerator.cpp
  lib/LTO/ThinLTOCodeGenerator.cpp


Index: lib/LTO/ThinLTOCodeGenerator.cpp
===================================================================
--- lib/LTO/ThinLTOCodeGenerator.cpp
+++ lib/LTO/ThinLTOCodeGenerator.cpp
@@ -1024,4 +1024,5 @@
   // If statistics were requested, print them out now.
   if (llvm::AreStatisticsEnabled())
     llvm::PrintStatistics();
+  reportAndResetTimings();
 }
Index: lib/LTO/LTOCodeGenerator.cpp
===================================================================
--- lib/LTO/LTOCodeGenerator.cpp
+++ lib/LTO/LTOCodeGenerator.cpp
@@ -597,6 +597,7 @@
   // If statistics were requested, print them out after codegen.
   if (llvm::AreStatisticsEnabled())
     llvm::PrintStatistics();
+  reportAndResetTimings();
 
   finishOptimizationRemarks();
 
Index: lib/IR/LegacyPassManager.cpp
===================================================================
--- lib/IR/LegacyPassManager.cpp
+++ lib/IR/LegacyPassManager.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/IR/LegacyPassManager.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/LegacyPassManagers.h"
@@ -465,6 +466,11 @@
   // null.  It may be called multiple times.
   static void createTheTimeInfo();
 
+  // print - Prints out timing information and then resets the timers.
+  void print() {
+    TG.print(*CreateInfoOutputFile());
+  }
+
   /// getPassTimer - Return the timer for the specified pass if it exists.
   Timer *getPassTimer(Pass *P) {
     if (P->getAsPMDataManager())
@@ -1752,6 +1758,13 @@
   return nullptr;
 }
 
+/// If timing is enabled, report the times collected up to now and then reset
+/// them.
+void llvm::reportAndResetTimings() {
+  if (TheTimeInfo)
+    TheTimeInfo->print();
+}
+
 //===----------------------------------------------------------------------===//
 // PMStack implementation
 //
Index: include/llvm/IR/LegacyPassManager.h
===================================================================
--- include/llvm/IR/LegacyPassManager.h
+++ include/llvm/IR/LegacyPassManager.h
@@ -98,6 +98,9 @@
 // Create wrappers for C Binding types (see CBindingWrapping.h).
 DEFINE_STDCXX_CONVERSION_FUNCTIONS(legacy::PassManagerBase, LLVMPassManagerRef)
 
+/// If -time-passes has been specified, report the timings immediately and then
+/// reset the timers to zero.
+void reportAndResetTimings();
 } // End llvm namespace
 
 #endif


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D32803.98966.patch
Type: text/x-patch
Size: 2518 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20170515/2515157e/attachment.bin>