[clang][dataflow] Fix -Wrange-loop-construct in DataflowAnalysisContext.cpp (NFC)

DamonFool · DamonFool · commit a737a33eb995 · 2023-11-07T22:32:11.000+08:00
/llvm-project/clang/lib/Analysis/FlowSensitive/DataflowAnalysisContext.cpp:247:10: note: use reference type 'const llvm::Sma
llVector&lt;Atom&gt; &amp;' to prevent copying
    for (const llvm::SmallVector&lt;Atom&gt; Class : Info.EquivalentAtoms)
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                       &amp;
1 error generated.
diff --git a/clang/lib/Analysis/FlowSensitive/DataflowAnalysisContext.cpp b/clang/lib/Analysis/FlowSensitive/DataflowAnalysisContext.cpp
@@ -244,7 +244,7 @@ void DataflowAnalysisContext::dumpFlowCondition(Atom Token,
   }
   if (!Info.EquivalentAtoms.empty()) {
     OS << "Equivalent atoms:\n";
-    for (const llvm::SmallVector<Atom> Class : Info.EquivalentAtoms)
+    for (const llvm::SmallVector<Atom> &Class : Info.EquivalentAtoms)
       printAtomList(Class, OS);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -244,7 +244,7 @@ void DataflowAnalysisContext::dumpFlowCondition(Atom Token,`
`244`	`244`	`}`
`245`	`245`	`if (!Info.EquivalentAtoms.empty()) {`
`246`	`246`	`OS << "Equivalent atoms:\n";`
`247`		`- for (const llvm::SmallVector<Atom> Class : Info.EquivalentAtoms)`
	`247`	`+ for (const llvm::SmallVector<Atom> &Class : Info.EquivalentAtoms)`
`248`	`248`	`printAtomList(Class, OS);`
`249`	`249`	`}`
`250`	`250`