[BOLT] Use StringRef::contains (NFC)

[kazutakahirata]

Once we convert EventNames to StringRef, which is cheap, we can call
StringRef::contains without creating a temporary instance of
std::string.

[llvmbot]

@llvm/pr-subscribers-bolt

Author: Kazu Hirata (kazutakahirata)

Changes

Once we convert EventNames to StringRef, which is cheap, we can call
StringRef::contains without creating a temporary instance of
std::string.

---

Full diff: https://github.com/llvm/llvm-project/pull/139658.diff

1 Files Affected:

• (modified) bolt/lib/Profile/YAMLProfileReader.cpp (+1-1)

diff --git a/bolt/lib/Profile/YAMLProfileReader.cpp b/bolt/lib/Profile/YAMLProfileReader.cpp
index 821f8c3354f8b..33ce40ac2eeec 100644
--- a/bolt/lib/Profile/YAMLProfileReader.cpp
+++ b/bolt/lib/Profile/YAMLProfileReader.cpp
@@ -887,7 +887,7 @@ Error YAMLProfileReader::readProfile(BinaryContext &BC) {
 }
 
 bool YAMLProfileReader::usesEvent(StringRef Name) const {
-  return YamlBP.Header.EventNames.find(std::string(Name)) != StringRef::npos;
+  return StringRef(YamlBP.Header.EventNames).contains(Name);
 }
 
 } // end namespace bolt