[Analysis] Use DenseMap::lookup (NFC)

kazutakahirata · kazutakahirata · commit c81ff8b70074 · 2023-08-27T00:18:17.000-07:00
diff --git a/clang/lib/Analysis/UnsafeBufferUsage.cpp b/clang/lib/Analysis/UnsafeBufferUsage.cpp
@@ -895,10 +895,7 @@ class DeclUseTracker {
   }
 
   const DeclStmt *lookupDecl(const VarDecl *VD) const {
-    auto It = Defs.find(VD);
-    if (It == Defs.end())
-      return nullptr;
-    return It->second;
+    return Defs.lookup(VD);
   }
 };
 } // namespace

Original file line number	Diff line number	Diff line change
`@@ -895,10 +895,7 @@ class DeclUseTracker {`
`895`	`895`	`}`
`896`	`896`
`897`	`897`	`const DeclStmt lookupDecl(const VarDecl VD) const {`
`898`		`- auto It = Defs.find(VD);`
`899`		`- if (It == Defs.end())`
`900`		`- return nullptr;`
`901`		`- return It->second;`
	`898`	`+ return Defs.lookup(VD);`
`902`	`899`	`}`
`903`	`900`	`};`
`904`	`901`	`} // namespace`