[DFAJumpThreading][NFC] Use const reference as range variable (#90342)

XChy · web-flow · commit 7b5b5214a6f9 · 2024-04-27T21:55:53.000+08:00
Fixes #90286
diff --git a/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp b/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
@@ -553,7 +553,7 @@ struct AllSwitchPaths {
       return;
     }
 
-    for (PathType Path : LoopPaths) {
+    for (const PathType &Path : LoopPaths) {
       ThreadingPath TPath;
 
       const BasicBlock *PrevBB = Path.back();

Original file line number	Diff line number	Diff line change
`@@ -553,7 +553,7 @@ struct AllSwitchPaths {`
`553`	`553`	`return;`
`554`	`554`	`}`
`555`	`555`
`556`		`- for (PathType Path : LoopPaths) {`
	`556`	`+ for (const PathType &Path : LoopPaths) {`
`557`	`557`	`ThreadingPath TPath;`
`558`	`558`
`559`	`559`	`const BasicBlock *PrevBB = Path.back();`