[Mlir-commits] [mlir] [mlir][IR] Generalize`DenseElementsAttr` to custom element types (PR #179122)

[Matthias Springer]

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@@ -85,6 +88,125 @@ IntegerType IntegerType::scaleElementBitwidth(unsigned scale) {
   return IntegerType::get(getContext(), scale * getWidth(), getSignedness());
 }
 
+size_t IntegerType::getDenseElementBitSize() const {
+  // Return the actual bit width. Storage alignment is handled separately.
+  // Note: i1 is bit-packed and should be special-cased by the caller.
+  return getWidth();
+}
+
+Attribute IntegerType::convertToAttribute(ArrayRef<char> rawData) const {
+  APInt value = detail::readBits(rawData.data(), /*bitPos=*/0, getWidth());
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matthias-springer wrote:

Good idea, we may have to rename / add more documentation / add a new namespace etc. Will look into that on a follow-up PR. (Technically, you can already call these functions because they are exposed through the header.)

https://github.com/llvm/llvm-project/pull/179122