[PATCH] D149642: [RISCV] Support vreinterpret intrinsics between vector boolean type and m1 vector integer type

[Craig Topper via Phabricator via cfe-commits]

craig.topper added inline comments.


================
Comment at: llvm/include/llvm/IR/IntrinsicsRISCV.td:1418
 
+  def int_riscv_vreinterpret_v
+        : DefaultAttrsIntrinsic<[llvm_anyvector_ty],
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craig.topper wrote:
> Do we need an intrinsic?
> 
> m1 -> mask  is bitcast m1 vscale type to <vscale x 64 x i1> and a llvm.experimental.vector.extract
> mask -> m1 is llvm.experimental.vector.insert to <vscale x 64 x i1> and a bitcast.
oops there's no experimental in the insert/extract names.


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  https://reviews.llvm.org/D149642/new/

https://reviews.llvm.org/D149642