[Mlir-commits] [mlir] [mlir][linalg] do not break outs from block argument (PR #73572)

[Mehdi Amini]

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@@ -1818,6 +1818,11 @@ struct RemoveOutsDependency : public OpRewritePattern<GenericOp> {
         if (sparse_tensor::getSparseTensorEncoding(operandVal.getType()))
           continue;
 
+        // If outs is wired from a block argument, keep the dependency to
+        // prevent the argument from being optimized away.
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joker-eph wrote:

Sorry, you'll need to elaborate: this outs isn't actually used, the "we need to keep this dependency as is" isn't clear to me.

https://github.com/llvm/llvm-project/pull/73572