Remove rest of time-trace message as it is inconsistent style
Other options which create output files don't produce output messages.
Improve documentation to help find trace file.
Differential Revision: https://reviews.llvm.org/D68710
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@374294 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index c6e06f2..9f4d3b7 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -1791,7 +1791,12 @@
def fthreadsafe_statics : Flag<["-"], "fthreadsafe-statics">, Group<f_Group>;
def ftime_report : Flag<["-"], "ftime-report">, Group<f_Group>, Flags<[CC1Option]>;
def ftime_trace : Flag<["-"], "ftime-trace">, Group<f_Group>,
- HelpText<"Turn on time profiler">, Flags<[CC1Option, CoreOption]>;
+ HelpText<"Turn on time profiler. Generates JSON file based on output filename.">,
+ DocBrief<[{
+Turn on time profiler. Generates JSON file based on output filename. Results
+can be analyzed with chrome://tracing or `Speedscope App
+<https://www.speedscope.app>`_ for flamegraph visualization.}]>,
+ Flags<[CC1Option, CoreOption]>;
def ftime_trace_granularity_EQ : Joined<["-"], "ftime-trace-granularity=">, Group<f_Group>,
HelpText<"Minimum time granularity (in microseconds) traced by time profiler">,
Flags<[CC1Option, CoreOption]>;
diff --git a/tools/driver/cc1_main.cpp b/tools/driver/cc1_main.cpp
index acf6cd1..9e4f32d 100644
--- a/tools/driver/cc1_main.cpp
+++ b/tools/driver/cc1_main.cpp
@@ -269,8 +269,6 @@
// FIXME(ibiryukov): make profilerOutput flush in destructor instead.
profilerOutput->flush();
llvm::timeTraceProfilerCleanup();
-
- llvm::errs() << "Time trace json-file dumped to " << Path.str() << "\n";
}
}
