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
14let TargetPrefix = "bpf" in {  // All intrinsics start with "llvm.bpf."
15  def int_bpf_load_byte : GCCBuiltin<"__builtin_bpf_load_byte">,
16              Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>;
17  def int_bpf_load_half : GCCBuiltin<"__builtin_bpf_load_half">,
18              Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>;
19  def int_bpf_load_word : GCCBuiltin<"__builtin_bpf_load_word">,
20              Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>;
21  def int_bpf_pseudo : GCCBuiltin<"__builtin_bpf_pseudo">,
22              Intrinsic<[llvm_i64_ty], [llvm_i64_ty, llvm_i64_ty]>;
23  def int_bpf_preserve_field_info : GCCBuiltin<"__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 : GCCBuiltin<"__builtin_bpf_btf_type_id">,
27              Intrinsic<[llvm_i32_ty], [llvm_any_ty, llvm_any_ty, llvm_i64_ty],
28              [IntrNoMem]>;
29}
30