[llvm] [ProfileData] Simplify InstrProfValueSiteRecord (NFC) (PR #95143)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-pgo

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

std::list default-constructs itself as an empty list, so we don't need
to call ValueData.clear() in the constructor.

---
Full diff: https://github.com/llvm/llvm-project/pull/95143.diff


1 Files Affected:

- (modified) llvm/include/llvm/ProfileData/InstrProf.h (+1-1) 


``````````diff
diff --git a/llvm/include/llvm/ProfileData/InstrProf.h b/llvm/include/llvm/ProfileData/InstrProf.h
index d6831eeaa794b..dae2caf0181e4 100644
--- a/llvm/include/llvm/ProfileData/InstrProf.h
+++ b/llvm/include/llvm/ProfileData/InstrProf.h
@@ -797,7 +797,7 @@ struct InstrProfValueSiteRecord {
   /// Value profiling data pairs at a given value site.
   std::list<InstrProfValueData> ValueData;
 
-  InstrProfValueSiteRecord() { ValueData.clear(); }
+  InstrProfValueSiteRecord() = default;
   template <class InputIterator>
   InstrProfValueSiteRecord(InputIterator F, InputIterator L)
       : ValueData(F, L) {}

``````````

</details>


https://github.com/llvm/llvm-project/pull/95143