| //===- IntrinsicsBPF.td - Defines BPF intrinsics -----------*- tablegen -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines all of the BPF-specific intrinsics. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // Specialized loads from packet |
| let TargetPrefix = "bpf" in { // All intrinsics start with "llvm.bpf." |
| def int_bpf_load_byte : ClangBuiltin<"__builtin_bpf_load_byte">, |
| Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>; |
| def int_bpf_load_half : ClangBuiltin<"__builtin_bpf_load_half">, |
| Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>; |
| def int_bpf_load_word : ClangBuiltin<"__builtin_bpf_load_word">, |
| Intrinsic<[llvm_i64_ty], [llvm_ptr_ty, llvm_i64_ty], [IntrReadMem]>; |
| def int_bpf_pseudo : ClangBuiltin<"__builtin_bpf_pseudo">, |
| Intrinsic<[llvm_i64_ty], [llvm_i64_ty, llvm_i64_ty]>; |
| def int_bpf_preserve_field_info : ClangBuiltin<"__builtin_bpf_preserve_field_info">, |
| Intrinsic<[llvm_i32_ty], [llvm_anyptr_ty, llvm_i64_ty], |
| [IntrNoMem, ImmArg<ArgIndex<1>>]>; |
| def int_bpf_btf_type_id : ClangBuiltin<"__builtin_bpf_btf_type_id">, |
| Intrinsic<[llvm_i64_ty], [llvm_i32_ty, llvm_i64_ty], |
| [IntrNoMem]>; |
| def int_bpf_preserve_type_info : ClangBuiltin<"__builtin_bpf_preserve_type_info">, |
| Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i64_ty], |
| [IntrNoMem]>; |
| def int_bpf_preserve_enum_value : ClangBuiltin<"__builtin_bpf_preserve_enum_value">, |
| Intrinsic<[llvm_i64_ty], [llvm_i32_ty, llvm_ptr_ty, llvm_i64_ty], |
| [IntrNoMem]>; |
| def int_bpf_passthrough : ClangBuiltin<"__builtin_bpf_passthrough">, |
| Intrinsic<[llvm_any_ty], [llvm_i32_ty, llvm_any_ty], [IntrNoMem]>; |
| def int_bpf_compare : ClangBuiltin<"__builtin_bpf_compare">, |
| Intrinsic<[llvm_i1_ty], [llvm_i32_ty, llvm_anyint_ty, llvm_anyint_ty], |
| [IntrNoMem]>; |
| def int_bpf_getelementptr_and_load : ClangBuiltin<"__builtin_bpf_getelementptr_and_load">, |
| Intrinsic<[llvm_any_ty], |
| [llvm_ptr_ty, // base ptr for getelementptr |
| llvm_i1_ty, // volatile |
| llvm_i8_ty, // atomic order |
| llvm_i8_ty, // synscope id |
| llvm_i8_ty, // alignment |
| llvm_i1_ty, // inbounds |
| llvm_vararg_ty], // indices for getelementptr insn |
| [IntrNoCallback, |
| IntrNoFree, |
| IntrWillReturn, |
| NoCapture <ArgIndex<0>>, |
| ImmArg <ArgIndex<1>>, // volatile |
| ImmArg <ArgIndex<2>>, // atomic order |
| ImmArg <ArgIndex<3>>, // synscope id |
| ImmArg <ArgIndex<4>>, // alignment |
| ImmArg <ArgIndex<5>>, // inbounds |
| ]>; |
| def int_bpf_getelementptr_and_store : ClangBuiltin<"__builtin_bpf_getelementptr_and_store">, |
| Intrinsic<[], |
| [llvm_any_ty, // value to store |
| llvm_ptr_ty, // base ptr for getelementptr |
| llvm_i1_ty, // volatile |
| llvm_i8_ty, // atomic order |
| llvm_i8_ty, // syncscope id |
| llvm_i8_ty, // alignment |
| llvm_i1_ty, // inbounds |
| llvm_vararg_ty], // indexes for getelementptr insn |
| [IntrNoCallback, |
| IntrNoFree, |
| IntrWillReturn, |
| NoCapture <ArgIndex<1>>, |
| ImmArg <ArgIndex<2>>, // volatile |
| ImmArg <ArgIndex<3>>, // atomic order |
| ImmArg <ArgIndex<4>>, // syncscope id |
| ImmArg <ArgIndex<5>>, // alignment |
| ImmArg <ArgIndex<6>>, // inbounds |
| ]>; |
| } |
