[Mlir-commits] [mlir] [mlir][vector] Notify the rewriter when sinking out of warp ops (PR #71964)

[Jakub Kuderski]

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@@ -713,6 +718,8 @@ struct WarpOpConstant : public OpRewritePattern<WarpExecuteOnLane0Op> {
     auto dense = dyn_cast<SplatElementsAttr>(constantOp.getValue());
     if (!dense)
       return failure();
+    // Notify the rewriter that the warp op is changing.
+    rewriter.startRootUpdate(warpOp);
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kuhar wrote:

Later, would be nice to wrap it with `make_scope_exit(...)`, to account for all the exits, but that can be a cleanup PR. 

https://github.com/llvm/llvm-project/pull/71964