[all-commits] [llvm/llvm-project] 86ce8e: [RISCV][TTI] Fix potential crash of using dyn_cast...

[Elvis Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 86ce8e4504c06ecc3cc42f002ad4eb05cac10925
      https://github.com/llvm/llvm-project/commit/86ce8e4504c06ecc3cc42f002ad4eb05cac10925
  Author: Elvis Wang <elvis.wang at sifive.com>
  Date:   2024-09-20 (Fri, 20 Sep 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp

  Log Message:
  -----------
  [RISCV][TTI] Fix potential crash of using dyn_cast() in getIntrinsicInstrCost() NFC. (#109379)

This patch fix the potential crash about using dyn_cast in `vp_cmp`
which is same as #109313.

Check if the IntrinsicCostAttrubute contains underlying instruction
first and cast to the VPCmpIntrinsic.



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