[Mlir-commits] [mlir] [mlir][vector] vector.splat deprecation: folding/canonicalizing parity with broadcast (PR #150284)

[Andrzej Warzyński]

================
@@ -1288,19 +1288,46 @@ LogicalResult vector::ExtractElementOp::verify() {
   return success();
 }
 
+/// Consider the defining operation `defOp` of `value`. If `defOp` is a
+/// vector.splat or a vector.broadcast with a scalar operand, return the scalar
+/// value that is splatted. Otherwise return null.
+///
+/// Cases where null is not returned:
+///
+/// scalar_source --> vector.splat --> value     - return scalar_source
+/// scalar_source --> vector.broadcast --> value - return scalar_source
+static Value getSplatSource(Value value) {
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banach-space wrote:

```suggestion
static Value getScalarSplatSource(Value value) {
```

https://github.com/llvm/llvm-project/pull/150284