[llvm] r366911 - [Support] Fix `-ftime-trace-granularity` option

[Anton Afanasyev via llvm-commits]

Author: anton-afanasyev
Date: Wed Jul 24 07:55:40 2019
New Revision: 366911

URL: http://llvm.org/viewvc/llvm-project?rev=366911&view=rev
Log:
[Support] Fix `-ftime-trace-granularity` option

Summary:
Move `-ftime-trace-granularity` option to frontend options. Without patch
this option is showed up in the help for any tool that links libSupport.

Reviewers: sammccall

Subscribers: hiraditya, cfe-commits, llvm-commits

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D65202

Modified:
    llvm/trunk/include/llvm/Support/TimeProfiler.h
    llvm/trunk/lib/Support/TimeProfiler.cpp

Modified: llvm/trunk/include/llvm/Support/TimeProfiler.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/TimeProfiler.h?rev=366911&r1=366910&r2=366911&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/TimeProfiler.h (original)
+++ llvm/trunk/include/llvm/Support/TimeProfiler.h Wed Jul 24 07:55:40 2019
@@ -19,7 +19,7 @@ extern TimeTraceProfiler *TimeTraceProfi
 /// Initialize the time trace profiler.
 /// This sets up the global \p TimeTraceProfilerInstance
 /// variable to be the profiler instance.
-void timeTraceProfilerInitialize();
+void timeTraceProfilerInitialize(unsigned TimeTraceGranularity);
 
 /// Cleanup the time trace profiler, if it was initialized.
 void timeTraceProfilerCleanup();

Modified: llvm/trunk/lib/Support/TimeProfiler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/TimeProfiler.cpp?rev=366911&r1=366910&r2=366911&view=diff
==============================================================================
--- llvm/trunk/lib/Support/TimeProfiler.cpp (original)
+++ llvm/trunk/lib/Support/TimeProfiler.cpp Wed Jul 24 07:55:40 2019
@@ -24,12 +24,6 @@ using namespace std::chrono;
 
 namespace llvm {
 
-static cl::opt<unsigned> TimeTraceGranularity(
-    "time-trace-granularity",
-    cl::desc(
-        "Minimum time granularity (in microseconds) traced by time profiler"),
-    cl::init(500));
-
 TimeTraceProfiler *TimeTraceProfilerInstance = nullptr;
 
 typedef duration<steady_clock::rep, steady_clock::period> DurationType;
@@ -161,12 +155,16 @@ struct TimeTraceProfiler {
   SmallVector<Entry, 128> Entries;
   StringMap<CountAndDurationType> CountAndTotalPerName;
   time_point<steady_clock> StartTime;
+
+  // Minimum time granularity (in microseconds)
+  unsigned TimeTraceGranularity;
 };
 
-void timeTraceProfilerInitialize() {
+void timeTraceProfilerInitialize(unsigned TimeTraceGranularity) {
   assert(TimeTraceProfilerInstance == nullptr &&
          "Profiler should not be initialized");
   TimeTraceProfilerInstance = new TimeTraceProfiler();
+  TimeTraceProfilerInstance->TimeTraceGranularity = TimeTraceGranularity;
 }
 
 void timeTraceProfilerCleanup() {