[Mlir-commits] [mlir] [mlir][VectorOps] Add `vector.interleave` operation (PR #80315)

[Benjamin Maxwell]

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@@ -6308,6 +6308,48 @@ bool WarpExecuteOnLane0Op::areTypesCompatible(Type lhs, Type rhs) {
       verifyDistributedType(lhs, rhs, getWarpSize(), getOperation()));
 }
 
+//===----------------------------------------------------------------------===//
+// InterleaveOp
+//===----------------------------------------------------------------------===//
+
+// The rank 1 case of vector.interleave on fixed-size vectors is equivalent to a
+// vector.shuffle, which (as an older op) is more likely to be matched by
+// existing pipelines.
+struct FoldRank1FixedSizeInterleaveOp : public OpRewritePattern<InterleaveOp> {
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MacDue wrote:

Sure, that makes sense, I'll try adding the inverse fold and see what breaks :)

https://github.com/llvm/llvm-project/pull/80315