1 use crate::back::lto::{LtoModuleCodegen, SerializedModule, ThinModule};
2 use crate::back::write::{CodegenContext, FatLTOInput, ModuleConfig};
3 use crate::{CompiledModule, ModuleCodegen};
5 use rustc_errors::{FatalError, Handler};
6 use rustc_middle::dep_graph::WorkProduct;
8 pub trait WriteBackendMethods: 'static + Sized + Clone {
9 type Module: Send + Sync;
11 type ModuleBuffer: ModuleBufferMethods;
12 type ThinData: Send + Sync;
13 type ThinBuffer: ThinBufferMethods;
15 /// Merge all modules into main_module and returning it
17 cgcx: &CodegenContext<Self>,
18 diag_handler: &Handler,
19 modules: Vec<ModuleCodegen<Self::Module>>,
20 ) -> Result<ModuleCodegen<Self::Module>, FatalError>;
21 /// Performs fat LTO by merging all modules into a single one and returning it
22 /// for further optimization.
24 cgcx: &CodegenContext<Self>,
25 modules: Vec<FatLTOInput<Self>>,
26 cached_modules: Vec<(SerializedModule<Self::ModuleBuffer>, WorkProduct)>,
27 ) -> Result<LtoModuleCodegen<Self>, FatalError>;
28 /// Performs thin LTO by performing necessary global analysis and returning two
29 /// lists, one of the modules that need optimization and another for modules that
30 /// can simply be copied over from the incr. comp. cache.
32 cgcx: &CodegenContext<Self>,
33 modules: Vec<(String, Self::ThinBuffer)>,
34 cached_modules: Vec<(SerializedModule<Self::ModuleBuffer>, WorkProduct)>,
35 ) -> Result<(Vec<LtoModuleCodegen<Self>>, Vec<WorkProduct>), FatalError>;
36 fn print_pass_timings(&self);
38 cgcx: &CodegenContext<Self>,
39 diag_handler: &Handler,
40 module: &ModuleCodegen<Self::Module>,
41 config: &ModuleConfig,
42 ) -> Result<(), FatalError>;
44 cgcx: &CodegenContext<Self>,
45 llmod: &mut ModuleCodegen<Self::Module>,
46 ) -> Result<(), FatalError>;
47 unsafe fn optimize_thin(
48 cgcx: &CodegenContext<Self>,
49 thin: ThinModule<Self>,
50 ) -> Result<ModuleCodegen<Self::Module>, FatalError>;
52 cgcx: &CodegenContext<Self>,
53 diag_handler: &Handler,
54 module: ModuleCodegen<Self::Module>,
55 config: &ModuleConfig,
56 ) -> Result<CompiledModule, FatalError>;
57 fn prepare_thin(module: ModuleCodegen<Self::Module>) -> (String, Self::ThinBuffer);
58 fn serialize_module(module: ModuleCodegen<Self::Module>) -> (String, Self::ModuleBuffer);
61 pub trait ThinBufferMethods: Send + Sync {
62 fn data(&self) -> &[u8];
65 pub trait ModuleBufferMethods: Send + Sync {
66 fn data(&self) -> &[u8];