[all-commits] [llvm/llvm-project] dfb5b6: [LoongArch] Don't crash on instruction prefetch in...

[leecheechen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dfb5b6e27ca3f8b79ebd3346d11b3088c1600b81
      https://github.com/llvm/llvm-project/commit/dfb5b6e27ca3f8b79ebd3346d11b3088c1600b81
  Author: leecheechen <chenli at loongson.cn>
  Date:   2025-04-16 (Wed, 16 Apr 2025)

  Changed paths:
    M llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
    M llvm/lib/Target/LoongArch/LoongArchISelLowering.h
    A llvm/test/CodeGen/LoongArch/prefetchi.ll

  Log Message:
  -----------
  [LoongArch] Don't crash on instruction prefetch intrinsics (#135760)

Instead of failing to select during isel, drop the intrinsic in
lowering.

Similar as the X86's PR. Seeing: https://reviews.llvm.org/D151050.

Fixes #134624



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