[mlir] Apply ClangTidy performance fix (NFC)

akuegel · akuegel · commit d84e4f0829c4 · 2022-10-24T15:24:42.000+02:00
diff --git a/mlir/lib/Dialect/Transform/IR/TransformOps.cpp b/mlir/lib/Dialect/Transform/IR/TransformOps.cpp
@@ -495,7 +495,7 @@ transform::SplitHandlesOp::apply(transform::TransformResults &results,
            << " handles";
   }
   // Normal successful case.
-  for (auto en : llvm::enumerate(state.getPayloadOps(getHandle())))
+  for (const auto &en : llvm::enumerate(state.getPayloadOps(getHandle())))
     results.set(getResults()[en.index()].cast<OpResult>(), en.value());
   return DiagnosedSilenceableFailure::success();
 }

Original file line number	Diff line number	Diff line change
`@@ -495,7 +495,7 @@ transform::SplitHandlesOp::apply(transform::TransformResults &results,`
`495`	`495`	`<< " handles";`
`496`	`496`	`}`
`497`	`497`	`// Normal successful case.`
`498`		`- for (auto en : llvm::enumerate(state.getPayloadOps(getHandle())))`
	`498`	`+ for (const auto &en : llvm::enumerate(state.getPayloadOps(getHandle())))`
`499`	`499`	`results.set(getResults()[en.index()].cast<OpResult>(), en.value());`
`500`	`500`	`return DiagnosedSilenceableFailure::success();`
`501`	`501`	`}`