[llvm-branch-commits] [mlir] [mlir][linalg] Implement TilingInterface for winograd operators (PR #96184)

[Hsiangkai Wang via llvm-branch-commits]

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@@ -2760,6 +2760,89 @@ LogicalResult WinogradFilterTransformOp::verify() {
   return success();
 }
 
+SmallVector<Range>
+WinogradFilterTransformOp::getIterationDomain(OpBuilder &builder) {
+  Location loc = getLoc();
+  Value zero = builder.create<arith::ConstantIndexOp>(loc, 0);
+  Value one = builder.create<arith::ConstantIndexOp>(loc, 1);
+  Value output = getOutput();
+  SmallVector<Range> loopBounds(6);
+  for (unsigned dim = 0; dim < 6; ++dim) {
+    loopBounds[dim].offset = zero;
+    loopBounds[dim].size = getDimValue(builder, loc, output, dim);
+    loopBounds[dim].stride = one;
+  }
+  return loopBounds;
+}
+
+SmallVector<utils::IteratorType>
+WinogradFilterTransformOp::getLoopIteratorTypes() {
+  SmallVector<utils::IteratorType> iteratorTypes(6,
+                                                 utils::IteratorType::parallel);
+  return iteratorTypes;
+}
+
+Value getValueFromOpFoldResult(OpFoldResult opFoldResult, OpBuilder &builder,
+                               Location loc) {
+  if (auto val = opFoldResult.dyn_cast<Value>()) {
+    return val;
+  } else if (auto attr = opFoldResult.dyn_cast<Attribute>()) {
+    auto intAttr = cast<IntegerAttr>(attr);
+    return builder.create<arith::ConstantOp>(loc, intAttr);
+  }
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Hsiangkai wrote:

I only find a similar one in `mlir/lib/Dialect/Vector/IR/VectorOps.cpp` under `vector` namespace. It is to convert an array of `OpFoldResult` to an array of `Value`.

https://github.com/llvm/llvm-project/pull/96184