rustc_codegen_llvm/llvm/
enzyme_ffi.rs1#![expect(dead_code)]
2
3use libc::{c_char, c_uint};
4
5use super::MetadataKindId;
6use super::ffi::{AttributeKind, BasicBlock, Metadata, Module, Type, Value};
7use crate::llvm::Bool;
8
9#[link(name = "llvm-wrapper", kind = "static")]
10unsafe extern "C" {
11 pub(crate) safe fn LLVMRustHasMetadata(I: &Value, KindID: MetadataKindId) -> bool;
13 pub(crate) fn LLVMRustEraseInstUntilInclusive(BB: &BasicBlock, I: &Value);
14 pub(crate) fn LLVMRustGetLastInstruction<'a>(BB: &BasicBlock) -> Option<&'a Value>;
15 pub(crate) fn LLVMRustDIGetInstMetadata(I: &Value) -> Option<&Metadata>;
16 pub(crate) fn LLVMRustEraseInstFromParent(V: &Value);
17 pub(crate) fn LLVMRustGetTerminator<'a>(B: &BasicBlock) -> &'a Value;
18 pub(crate) fn LLVMRustVerifyFunction(V: &Value, action: LLVMRustVerifierFailureAction) -> Bool;
19 pub(crate) fn LLVMRustHasAttributeAtIndex(V: &Value, i: c_uint, Kind: AttributeKind) -> bool;
20 pub(crate) fn LLVMRustGetArrayNumElements(Ty: &Type) -> u64;
21 pub(crate) fn LLVMRustHasFnAttribute(
22 F: &Value,
23 Name: *const c_char,
24 NameLen: libc::size_t,
25 ) -> bool;
26 pub(crate) fn LLVMRustRemoveFnAttribute(F: &Value, Name: *const c_char, NameLen: libc::size_t);
27 pub(crate) fn LLVMGetFirstFunction(M: &Module) -> Option<&Value>;
28 pub(crate) fn LLVMGetNextFunction(Fn: &Value) -> Option<&Value>;
29 pub(crate) fn LLVMRustRemoveEnumAttributeAtIndex(
30 Fn: &Value,
31 index: c_uint,
32 kind: AttributeKind,
33 );
34}
35
36unsafe extern "C" {
37 pub(crate) fn LLVMDumpModule(M: &Module);
39 pub(crate) fn LLVMDumpValue(V: &Value);
40 pub(crate) fn LLVMGetFunctionCallConv(F: &Value) -> c_uint;
41 pub(crate) fn LLVMGetReturnType(T: &Type) -> &Type;
42 pub(crate) fn LLVMGetParams(Fnc: &Value, params: *mut &Value);
43 pub(crate) fn LLVMGetNamedFunction(M: &Module, Name: *const c_char) -> Option<&Value>;
44}
45
46#[repr(C)]
47#[derive(Copy, Clone, PartialEq)]
48pub(crate) enum LLVMRustVerifierFailureAction {
49 LLVMAbortProcessAction = 0,
50 LLVMPrintMessageAction = 1,
51 LLVMReturnStatusAction = 2,
52}
53
54#[cfg(llvm_enzyme)]
55pub(crate) use self::Enzyme_AD::*;
56
57#[cfg(llvm_enzyme)]
58pub(crate) mod Enzyme_AD {
59 use std::ffi::{CString, c_char};
60
61 use libc::c_void;
62
63 unsafe extern "C" {
64 pub(crate) fn EnzymeSetCLBool(arg1: *mut ::std::os::raw::c_void, arg2: u8);
65 pub(crate) fn EnzymeSetCLString(arg1: *mut ::std::os::raw::c_void, arg2: *const c_char);
66 }
67 unsafe extern "C" {
68 static mut EnzymePrintPerf: c_void;
69 static mut EnzymePrintActivity: c_void;
70 static mut EnzymePrintType: c_void;
71 static mut EnzymeFunctionToAnalyze: c_void;
72 static mut EnzymePrint: c_void;
73 static mut EnzymeStrictAliasing: c_void;
74 static mut looseTypeAnalysis: c_void;
75 static mut EnzymeInline: c_void;
76 static mut RustTypeRules: c_void;
77 }
78 pub(crate) fn set_print_perf(print: bool) {
79 unsafe {
80 EnzymeSetCLBool(std::ptr::addr_of_mut!(EnzymePrintPerf), print as u8);
81 }
82 }
83 pub(crate) fn set_print_activity(print: bool) {
84 unsafe {
85 EnzymeSetCLBool(std::ptr::addr_of_mut!(EnzymePrintActivity), print as u8);
86 }
87 }
88 pub(crate) fn set_print_type(print: bool) {
89 unsafe {
90 EnzymeSetCLBool(std::ptr::addr_of_mut!(EnzymePrintType), print as u8);
91 }
92 }
93 pub(crate) fn set_print_type_fun(fun_name: &str) {
94 let c_fun_name = CString::new(fun_name).unwrap();
95 unsafe {
96 EnzymeSetCLString(
97 std::ptr::addr_of_mut!(EnzymeFunctionToAnalyze),
98 c_fun_name.as_ptr() as *const c_char,
99 );
100 }
101 }
102 pub(crate) fn set_print(print: bool) {
103 unsafe {
104 EnzymeSetCLBool(std::ptr::addr_of_mut!(EnzymePrint), print as u8);
105 }
106 }
107 pub(crate) fn set_strict_aliasing(strict: bool) {
108 unsafe {
109 EnzymeSetCLBool(std::ptr::addr_of_mut!(EnzymeStrictAliasing), strict as u8);
110 }
111 }
112 pub(crate) fn set_loose_types(loose: bool) {
113 unsafe {
114 EnzymeSetCLBool(std::ptr::addr_of_mut!(looseTypeAnalysis), loose as u8);
115 }
116 }
117 pub(crate) fn set_inline(val: bool) {
118 unsafe {
119 EnzymeSetCLBool(std::ptr::addr_of_mut!(EnzymeInline), val as u8);
120 }
121 }
122 pub(crate) fn set_rust_rules(val: bool) {
123 unsafe {
124 EnzymeSetCLBool(std::ptr::addr_of_mut!(RustTypeRules), val as u8);
125 }
126 }
127}
128
129#[cfg(not(llvm_enzyme))]
130pub(crate) use self::Fallback_AD::*;
131
132#[cfg(not(llvm_enzyme))]
133pub(crate) mod Fallback_AD {
134 #![allow(unused_variables)]
135
136 pub(crate) fn set_inline(val: bool) {
137 unimplemented!()
138 }
139 pub(crate) fn set_print_perf(print: bool) {
140 unimplemented!()
141 }
142 pub(crate) fn set_print_activity(print: bool) {
143 unimplemented!()
144 }
145 pub(crate) fn set_print_type(print: bool) {
146 unimplemented!()
147 }
148 pub(crate) fn set_print_type_fun(fun_name: &str) {
149 unimplemented!()
150 }
151 pub(crate) fn set_print(print: bool) {
152 unimplemented!()
153 }
154 pub(crate) fn set_strict_aliasing(strict: bool) {
155 unimplemented!()
156 }
157 pub(crate) fn set_loose_types(loose: bool) {
158 unimplemented!()
159 }
160 pub(crate) fn set_rust_rules(val: bool) {
161 unimplemented!()
162 }
163}