[llvm] [memprof] Use std::tie to implement operator< (NFC) (PR #143401)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-pgo

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/143401.diff


1 Files Affected:

- (modified) llvm/include/llvm/ProfileData/MemProf.h (+1-2) 


``````````diff
diff --git a/llvm/include/llvm/ProfileData/MemProf.h b/llvm/include/llvm/ProfileData/MemProf.h
index 683193aa42747..91c68720ae0aa 100644
--- a/llvm/include/llvm/ProfileData/MemProf.h
+++ b/llvm/include/llvm/ProfileData/MemProf.h
@@ -835,8 +835,7 @@ struct LineLocation {
   LineLocation(uint32_t L, uint32_t D) : LineOffset(L), Column(D) {}
 
   bool operator<(const LineLocation &O) const {
-    return LineOffset < O.LineOffset ||
-           (LineOffset == O.LineOffset && Column < O.Column);
+    return std::tie(LineOffset, Column) < std::tie(O.LineOffset, O.Column);
   }
 
   bool operator==(const LineLocation &O) const {

``````````

</details>


https://github.com/llvm/llvm-project/pull/143401