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 : 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 def int_bpf_getelementptr_and_load : ClangBuiltin<"__builtin_bpf_getelementptr_and_load">, 41 Intrinsic<[llvm_any_ty], 42 [llvm_ptr_ty, // base ptr for getelementptr 43 llvm_i1_ty, // volatile 44 llvm_i8_ty, // atomic order 45 llvm_i8_ty, // synscope id 46 llvm_i8_ty, // alignment 47 llvm_i1_ty, // inbounds 48 llvm_vararg_ty], // indices for getelementptr insn 49 [IntrNoCallback, 50 IntrNoFree, 51 IntrWillReturn, 52 NoCapture <ArgIndex<0>>, 53 ImmArg <ArgIndex<1>>, // volatile 54 ImmArg <ArgIndex<2>>, // atomic order 55 ImmArg <ArgIndex<3>>, // synscope id 56 ImmArg <ArgIndex<4>>, // alignment 57 ImmArg <ArgIndex<5>>, // inbounds 58 ]>; 59 def int_bpf_getelementptr_and_store : ClangBuiltin<"__builtin_bpf_getelementptr_and_store">, 60 Intrinsic<[], 61 [llvm_any_ty, // value to store 62 llvm_ptr_ty, // base ptr for getelementptr 63 llvm_i1_ty, // volatile 64 llvm_i8_ty, // atomic order 65 llvm_i8_ty, // syncscope id 66 llvm_i8_ty, // alignment 67 llvm_i1_ty, // inbounds 68 llvm_vararg_ty], // indexes for getelementptr insn 69 [IntrNoCallback, 70 IntrNoFree, 71 IntrWillReturn, 72 NoCapture <ArgIndex<1>>, 73 ImmArg <ArgIndex<2>>, // volatile 74 ImmArg <ArgIndex<3>>, // atomic order 75 ImmArg <ArgIndex<4>>, // syncscope id 76 ImmArg <ArgIndex<5>>, // alignment 77 ImmArg <ArgIndex<6>>, // inbounds 78 ]>; 79} 80