contrib/llvm-project/llvm/include/llvm/IR/IntrinsicsBPF.td

   1 //===- IntrinsicsBPF.td - Defines BPF intrinsics -----------*- tablegen -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines all of the BPF-specific intrinsics.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 // Specialized loads from packet
  14 let TargetPrefix = "bpf" in {  // All intrinsics start with "llvm.bpf."
  15   def int_bpf_load_byte : ClangBuiltin<"__builtin_bpf_load_byte">,
  16               Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>;
  17   def int_bpf_load_half : ClangBuiltin<"__builtin_bpf_load_half">,
  18               Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>;
  19   def int_bpf_load_word : ClangBuiltin<"__builtin_bpf_load_word">,
  20               Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>;
  21   def int_bpf_pseudo : ClangBuiltin<"__builtin_bpf_pseudo">,
  22               Intrinsic<[llvm_i64_ty], [llvm_i64_ty, llvm_i64_ty]>;
  23   def int_bpf_preserve_field_info : ClangBuiltin<"__builtin_bpf_preserve_field_info">,
  24               Intrinsic<[llvm_i32_ty], [llvm_anyptr_ty, llvm_i64_ty],
  25               [IntrNoMem, ImmArg<ArgIndex<1>>]>;
  26   def int_bpf_btf_type_id : ClangBuiltin<"__builtin_bpf_btf_type_id">,
  27               Intrinsic<[llvm_i64_ty], [llvm_i32_ty, llvm_i64_ty],
  28               [IntrNoMem]>;
  29   def int_bpf_preserve_type_info : ClangBuiltin<"__builtin_bpf_preserve_type_info">,
  30               Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i64_ty],
  31               [IntrNoMem]>;
  32   def int_bpf_preserve_enum_value : ClangBuiltin<"__builtin_bpf_preserve_enum_value">,
  33               Intrinsic<[llvm_i64_ty], [llvm_i32_ty, llvm_ptr_ty, llvm_i64_ty],
  34               [IntrNoMem]>;
  35   def int_bpf_passthrough : ClangBuiltin<"__builtin_bpf_passthrough">,
  36               Intrinsic<[llvm_any_ty], [llvm_i32_ty, llvm_any_ty], [IntrNoMem]>;
  37   def int_bpf_compare : ClangBuiltin<"__builtin_bpf_compare">,
  38               Intrinsic<[llvm_i1_ty], [llvm_i32_ty, llvm_anyint_ty, llvm_anyint_ty],
  39               [IntrNoMem]>;
  40 }