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

kazutakahirata · tomtor · commit 70c3c52c0a58 · 2025-06-14T19:48:01.000+02:00
diff --git 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 {

Original file line number	Diff line number	Diff line change
`@@ -835,8 +835,7 @@ struct LineLocation {`
`835`	`835`	`LineLocation(uint32_t L, uint32_t D) : LineOffset(L), Column(D) {}`
`836`	`836`
`837`	`837`	`bool operator<(const LineLocation &O) const {`
`838`		`- return LineOffset < O.LineOffset \|\|`
`839`		`- (LineOffset == O.LineOffset && Column < O.Column);`
	`838`	`+ return std::tie(LineOffset, Column) < std::tie(O.LineOffset, O.Column);`
`840`	`839`	`}`
`841`	`840`
`842`	`841`	`bool operator==(const LineLocation &O) const {`