[Mlir-commits] [mlir] [MLIR][Linalg] Pattern to fold AddOp to accumulation via contraction op's dest (PR #110514)

[Rolf Morel]

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@@ -38,6 +38,12 @@ namespace linalg {
 // General utilities
 //===----------------------------------------------------------------------===//
 
+// Returns true if `val` represents a zero-filled tensor, per its defining op.
+bool isZeroTensor(Value val);
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rolfmorel wrote:

As it has support for tracing a value's definition through `linalg.generic`s, `linalg.fill` and `linalg.copy` it is kind of tied to linalg, I would say. As such I didn't think the code could be moved to StaticValueUtils.cpp (which is pretty much dialect/op agnostic).

https://github.com/llvm/llvm-project/pull/110514