[Mlir-commits] [mlir] [mlir][loops] Add getters for multi dim loop variables in `LoopLikeOpInterface` (PR #94516)

[Ivan Butygin]

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@@ -235,6 +231,35 @@ def LoopLikeOpInterface : OpInterface<"LoopLikeOpInterface"> {
   }];
 
   let extraSharedClassDeclaration = [{
+    /// If there is a single induction variable return it, otherwise return
+    /// std::nullopt.
+    ::std::optional<::mlir::Value> getSingleInductionVar() {
+      if (this->getInductionVars().size() == 1)
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Hardcode84 wrote:

this code will create a temporary `SmallVector` just to get size and then another one on the next line, better to cache.

https://github.com/llvm/llvm-project/pull/94516