[PATCH] D149916: [VP][SelectionDAG][RISCV] Add get_vector_length intrinsics and generic SelectionDAG support.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:7315
+
+    uint64_t VF = cast<ConstantInt>(I.getOperand(2))->getZExtValue();
+    SDValue MaxEVL = DAG.getVScale(sdl, TripCountVT,
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frasercrmck wrote:
> Do we want to sanitize negative immediates here or elsewhere, or do we just let them become large positive ones?
Good question. Do you have a suggestion how to sanitize it?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D149916/new/

https://reviews.llvm.org/D149916