[Mlir-commits] [mlir] [mlir][Vector] Fix scalable InsertSlice/ExtractSlice lowering (PR #124861)

[Diego Caballero]

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@@ -96,11 +96,15 @@ class ConvertSameRankInsertStridedSliceIntoShuffle
                                 PatternRewriter &rewriter) const override {
     auto srcType = op.getSourceVectorType();
     auto dstType = op.getDestVectorType();
+    int64_t srcRank = srcType.getRank();
+
+    // Scalable vectors are not supported by vector shuffle.
+    if ((srcType.isScalable() || dstType.isScalable()) && srcRank == 1)
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dcaballe wrote:

`srcRank == 1` you mean? That check is needed because that's the rank that leads to generating a vector shuffle. Otherwise the op is decomposed into lower order ops.

https://github.com/llvm/llvm-project/pull/124861