Add perf benchmark utility. (#2977)

* Add perf benchmark utility.

* Update documentation.

* Fix.

* Fix doc.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/source/slang/slang-options.cpp b/source/slang/slang-options.cpp
index 09c46b7ef..ad061a4e5 100644
--- a/source/slang/slang-options.cpp
+++ b/source/slang/slang-options.cpp
@@ -72,6 +72,7 @@ enum class OptionKind
     InputFilesRemain,
     EmitIr,
     ReportDownstreamTime,
+    ReportPerfBenchmark,
 
     SourceEmbedStyle,
     SourceEmbedName,
@@ -427,6 +428,7 @@ void initCommandOptions(CommandOptions& options)
         { OptionKind::DumpWarningDiagnostics, "-dump-warning-diagnostics", nullptr, "Dump to output list of warning diagnostic numeric and name ids." },
         { OptionKind::InputFilesRemain, "--", nullptr, "Treat the rest of the command line as input files."},
         { OptionKind::ReportDownstreamTime, "-report-downstream-time", nullptr, "Reports the time spent in the downstream compiler." },
+        { OptionKind::ReportPerfBenchmark, "-report-perf-benchmark", nullptr, "Reports compiler performance benchmark results." },
         { OptionKind::SourceEmbedStyle, "-source-embed-style", "-source-embed-style <source-embed-style>",
         "If source embedding is enabled, defines the style used. When enabled (with any style other than `none`), "
         "will write compile results into embeddable source for the target language. "
@@ -1867,6 +1869,11 @@ SlangResult OptionsParser::_parse(
                 m_compileRequest->setReportDownstreamTime(true);
                 break;
             }
+            case OptionKind::ReportPerfBenchmark:
+            {
+                m_compileRequest->setReportPerfBenchmark(true);
+                break;
+            }
             case OptionKind::ModuleName:
             {
                 CommandLineArg moduleName;