[PATCH] D127939: [LegalizeTypes][RISCV][NFC] Modify assert in PromoteIntRes_STEP_VECTOR and add some tests for RISCV

[WangLian via Phabricator via llvm-commits]

Jimerlife added inline comments.


================
Comment at: llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp:5280
   EVT NOutVT = TLI.getTypeToTransformTo(*DAG.getContext(), OutVT);
-  assert(NOutVT.isVector() && "Type must be promoted to a vector type");
+  assert(NOutVT.isScalableVector() &&
+         "Type must be promoted to a scalable vector type");
----------------
craig.topper wrote:
> Why this change? llvm.stepvector intrinsic works for fixed vectors.
Yes, llvm.stepvector intrinsic works for fixed vectors, but ISD::STEP_VECTOR is only work for scalable vector. I'm not sure my understanding is right?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127939/new/

https://reviews.llvm.org/D127939