[Mlir-commits] [mlir] [mlir][vector] Add support for vector.maskedstore sub-type emulation. (PR #73871)

[Diego Caballero]

================
@@ -99,6 +171,94 @@ struct ConvertVectorStore final : OpConversionPattern<vector::StoreOp> {
   }
 };
 
+//===----------------------------------------------------------------------===//
+// ConvertVectorMaskedStore
+//===----------------------------------------------------------------------===//
+
+struct ConvertVectorMaskedStore final
+    : OpConversionPattern<vector::MaskedStoreOp> {
+  using OpConversionPattern::OpConversionPattern;
+
+  LogicalResult
+  matchAndRewrite(vector::MaskedStoreOp op, OpAdaptor adaptor,
+                  ConversionPatternRewriter &rewriter) const override {
+
+    auto loc = op.getLoc();
+    auto convertedType = cast<MemRefType>(adaptor.getBase().getType());
+    Type oldElementType = op.getValueToStore().getType().getElementType();
+    Type newElementType = convertedType.getElementType();
+    int srcBits = oldElementType.getIntOrFloatBitWidth();
+    int dstBits = newElementType.getIntOrFloatBitWidth();
+
+    if (dstBits % srcBits != 0) {
+      return rewriter.notifyMatchFailure(
+          op, "only dstBits % srcBits == 0 supported");
+    }
+
+    int scale = dstBits / srcBits;
+    auto origElements = op.getValueToStore().getType().getNumElements();
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dcaballe wrote:

no more dittos :), just take a look at autos in general in this PR

https://github.com/llvm/llvm-project/pull/73871