[Mlir-commits] [mlir] [mlir][ArmSVE] Add convert_to/from_svbool ops (PR #68586)

[Cullen Rhodes]

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@@ -66,6 +68,77 @@ using ScalableMaskedDivFOpLowering =
     OneToOneConvertToLLVMPattern<ScalableMaskedDivFOp,
                                  ScalableMaskedDivFIntrOp>;
 
+namespace {
+
+/// Unrolls a conversion to/from equivalent vector types, to allow using a
+/// conversion intrinsic that only supports 1-D vector types.
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c-rhodes wrote:

Yeah I understand that, but it doesn't mean both steps have to be done when lowering to intrinsics. At the Vector dialect level for example operations on higher rank vectors are typically broken down to rank 1 vectors first (VectorToSCF), before lowering to intrinsics.

https://github.com/llvm/llvm-project/pull/68586