[llvm] [BOLT] Add NamedRegionTimer to inferStaleProfile (PR #92975)

[shaw young via llvm-commits]

https://github.com/shawbyoung created https://github.com/llvm/llvm-project/pull/92975

Add a NamedRegionTimer to measure the time spent in inferStaleProfile.


>From d41bcb0b4e92684be1ac8db33417809dae8028e5 Mon Sep 17 00:00:00 2001
From: shawbyoung <shawbyoung at gmail.com>
Date: Tue, 21 May 2024 16:43:35 -0700
Subject: [PATCH] [BOLT] Add NamedRegionTimer to inferStaleProfile

---
 bolt/lib/Profile/StaleProfileMatching.cpp | 1 +
 bolt/lib/Rewrite/RewriteInstance.cpp      | 6 +-----
 bolt/lib/Utils/CommandLineOpts.cpp        | 4 ++++
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/bolt/lib/Profile/StaleProfileMatching.cpp b/bolt/lib/Profile/StaleProfileMatching.cpp
index 016962ff34d8d..9e09796477f93 100644
--- a/bolt/lib/Profile/StaleProfileMatching.cpp
+++ b/bolt/lib/Profile/StaleProfileMatching.cpp
@@ -42,6 +42,7 @@ using namespace llvm;
 
 namespace opts {
 
+extern cl::opt<bool> TimeRewrite;
 extern cl::OptionCategory BoltOptCategory;
 
 cl::opt<bool>
diff --git a/bolt/lib/Rewrite/RewriteInstance.cpp b/bolt/lib/Rewrite/RewriteInstance.cpp
index 85b39176754b6..718cf8eca9ae2 100644
--- a/bolt/lib/Rewrite/RewriteInstance.cpp
+++ b/bolt/lib/Rewrite/RewriteInstance.cpp
@@ -86,6 +86,7 @@ extern cl::list<std::string> ReorderData;
 extern cl::opt<bolt::ReorderFunctions::ReorderType> ReorderFunctions;
 extern cl::opt<bool> TerminalTrap;
 extern cl::opt<bool> TimeBuild;
+extern cl::opt<bool> TimeRewrite;
 
 cl::opt<bool> AllowStripped("allow-stripped",
                             cl::desc("allow processing of stripped binaries"),
@@ -235,11 +236,6 @@ UseGnuStack("use-gnu-stack",
   cl::ZeroOrMore,
   cl::cat(BoltCategory));
 
-static cl::opt<bool>
-    TimeRewrite("time-rewrite",
-                cl::desc("print time spent in rewriting passes"), cl::Hidden,
-                cl::cat(BoltCategory));
-
 static cl::opt<bool>
 SequentialDisassembly("sequential-disassembly",
   cl::desc("performs disassembly sequentially"),
diff --git a/bolt/lib/Utils/CommandLineOpts.cpp b/bolt/lib/Utils/CommandLineOpts.cpp
index ba296c10c00ae..455194b9a44ed 100644
--- a/bolt/lib/Utils/CommandLineOpts.cpp
+++ b/bolt/lib/Utils/CommandLineOpts.cpp
@@ -179,6 +179,10 @@ cl::opt<bool> TimeOpts("time-opts",
                        cl::desc("print time spent in each optimization"),
                        cl::cat(BoltOptCategory));
 
+cl::opt<bool> TimeRewrite("time-rewrite",
+                cl::desc("print time spent in rewriting passes"), cl::Hidden,
+                cl::cat(BoltCategory));
+
 cl::opt<bool> UseOldText(
     "use-old-text",
     cl::desc("re-use space in old .text if possible (relocation mode)"),