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 TargetMachineError;
12 type ModuleBuffer: ModuleBufferMethods;
13 type ThinData: Send + Sync;
14 type ThinBuffer: ThinBufferMethods;
16 /// Merge all modules into main_module and returning it
18 cgcx: &CodegenContext<Self>,
19 diag_handler: &Handler,
20 modules: Vec<ModuleCodegen<Self::Module>>,
21 ) -> Result<ModuleCodegen<Self::Module>, FatalError>;
22 /// Performs fat LTO by merging all modules into a single one and returning it
23 /// for further optimization.
25 cgcx: &CodegenContext<Self>,
26 modules: Vec<FatLTOInput<Self>>,
27 cached_modules: Vec<(SerializedModule<Self::ModuleBuffer>, WorkProduct)>,
28 ) -> Result<LtoModuleCodegen<Self>, FatalError>;
29 /// Performs thin LTO by performing necessary global analysis and returning two
30 /// lists, one of the modules that need optimization and another for modules that
31 /// can simply be copied over from the incr. comp. cache.
33 cgcx: &CodegenContext<Self>,
34 modules: Vec<(String, Self::ThinBuffer)>,
35 cached_modules: Vec<(SerializedModule<Self::ModuleBuffer>, WorkProduct)>,
36 ) -> Result<(Vec<LtoModuleCodegen<Self>>, Vec<WorkProduct>), FatalError>;
37 fn print_pass_timings(&self);
39 cgcx: &CodegenContext<Self>,
40 diag_handler: &Handler,
41 module: &ModuleCodegen<Self::Module>,
42 config: &ModuleConfig,
43 ) -> Result<(), FatalError>;
45 cgcx: &CodegenContext<Self>,
46 llmod: &mut ModuleCodegen<Self::Module>,
47 ) -> Result<(), FatalError>;
48 unsafe fn optimize_thin(
49 cgcx: &CodegenContext<Self>,
50 thin: ThinModule<Self>,
51 ) -> Result<ModuleCodegen<Self::Module>, FatalError>;
53 cgcx: &CodegenContext<Self>,
54 diag_handler: &Handler,
55 module: ModuleCodegen<Self::Module>,
56 config: &ModuleConfig,
57 ) -> Result<CompiledModule, FatalError>;
58 fn prepare_thin(module: ModuleCodegen<Self::Module>) -> (String, Self::ThinBuffer);
59 fn serialize_module(module: ModuleCodegen<Self::Module>) -> (String, Self::ModuleBuffer);
62 pub trait ThinBufferMethods: Send + Sync {
63 fn data(&self) -> &[u8];
66 pub trait ModuleBufferMethods: Send + Sync {
67 fn data(&self) -> &[u8];