1 //===- IntrinsicsBPF.td - Defines BPF intrinsics -----------*- tablegen -*-===//
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
7 //===----------------------------------------------------------------------===//
9 // This file defines all of the BPF-specific intrinsics.
11 //===----------------------------------------------------------------------===//
13 // Specialized loads from packet
14 let 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<1>]>;