Put branch profiling under a flag.

Until we evaluate its usefulness and reduce its overhead.

Bug: 306638020

Test: test.py
Change-Id: Ibb01c70a7ea19b03802dcc1b0792d3d2ff4f4d67

1 files changed, 7 insertions, 0 deletions

diff --git a/compiler/driver/compiler_options_map-inl.h b/compiler/driver/compiler_options_map-inl.h
index 4734950a2c..9a02b576d1 100644
--- a/compiler/driver/compiler_options_map-inl.h
+++ b/compiler/driver/compiler_options_map-inl.h
@@ -68,6 +68,9 @@ inline bool ReadCompilerOptions(Base& map, CompilerOptions* options, std::string
   if (map.Exists(Base::Baseline)) {
     options->baseline_ = true;
   }
+  if (map.Exists(Base::ProfileBranches)) {
+    options->profile_branches_ = true;
+  }
   map.AssignIfExists(Base::AbortOnHardVerifierFailure, &options->abort_on_hard_verifier_failure_);
   map.AssignIfExists(Base::AbortOnSoftVerifierFailure, &options->abort_on_soft_verifier_failure_);
   if (map.Exists(Base::DumpInitFailures)) {
@@ -198,6 +201,10 @@ NO_INLINE void AddCompilerOptionsArgumentParserOptions(Builder& b) {
           .WithHelp("Produce code using the baseline compilation")
           .IntoKey(Map::Baseline)
 
+      .Define("--profile-branches")
+          .WithHelp("Profile branches in baseline generated code")
+          .IntoKey(Map::ProfileBranches)
+
       .Define({"--abort-on-hard-verifier-error", "--no-abort-on-hard-verifier-error"})
           .WithValues({true, false})
           .IntoKey(Map::AbortOnHardVerifierFailure)