[Mlir-commits] [mlir] [mlir][transform] Guard parametric loop tiling pass from no option (PR #118254)

[Mehdi Amini]

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@@ -40,6 +40,9 @@ class SimpleParametricLoopTilingPass
   }
 
   void runOnOperation() override {
+    // If no outer loop iteration is given, ignore the pass.
+    if (sizes.empty())
+      return;
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joker-eph wrote:

Shouldn't we error out here? Seems like an error from the user to me here, and they would be surprised by the behavior. Any valid workflow where silently ignoring this would be better?

https://github.com/llvm/llvm-project/pull/118254