[clang-tools-extra] [llvm] [clang] [nfc][llvm-profdata] Use cl::Subcommand to organize subcommand and options in llvm-profdata (PR #71328)

[Mingming Liu via cfe-commits]

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@@ -47,6 +47,21 @@
 
 using namespace llvm;
 
+// https://llvm.org/docs/CommandGuide/llvm-profdata.html has documentations
+// on each subcommand.
+cl::SubCommand
+    ShowSubcommand("show",
+                   "Takes a profile data file and displays the profiles");
+cl::SubCommand
+    OrderSubcommand("order",
+                    "Reads temporal profiling traces from a "
+                    "profile and outputs a function order that reduces the "
+                    "number of page faults for those traces");
+cl::SubCommand
+    OverlapSubcommand("overlap",
+                      "Computes and displays the overlap between two profiles");
+cl::SubCommand MergeSubcommand("merge", "Merges profiles");
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minglotus-6 wrote:

done.

https://github.com/llvm/llvm-project/pull/71328