#![feature(static_nobundle)]
use back::write::create_target_machine;
-use rustc::dep_graph::WorkProduct;
use syntax_pos::symbol::Symbol;
-#[macro_use] extern crate bitflags;
extern crate flate2;
+#[macro_use] extern crate bitflags;
extern crate libc;
#[macro_use] extern crate rustc;
extern crate jobserver;
extern crate rustc_llvm;
extern crate rustc_platform_intrinsics as intrinsics;
extern crate rustc_codegen_utils;
+extern crate rustc_codegen_ssa;
extern crate rustc_fs_util;
#[macro_use] extern crate log;
extern crate tempfile;
extern crate memmap;
-use back::bytecode::RLIB_BYTECODE_EXTENSION;
-use interfaces::{Backend, CommonWriteMethods};
-use value::Value;
-use type_::Type;
-
+use rustc_codegen_ssa::traits::*;
+use rustc_codegen_ssa::back::write::{CodegenContext, ModuleConfig};
+use rustc_codegen_ssa::back::lto::{SerializedModule, LtoModuleCodegen, ThinModule};
+use rustc_codegen_ssa::CompiledModule;
+use errors::{FatalError, Handler};
+use rustc::dep_graph::WorkProduct;
+use rustc::util::time_graph::Timeline;
+use syntax_pos::symbol::InternedString;
+use rustc::mir::mono::Stats;
pub use llvm_util::target_features;
use std::any::Any;
-use std::sync::mpsc;
-use std::marker::PhantomData;
-use libc::{c_uint, c_char};
-use rustc_data_structures::sync::Lrc;
+use std::sync::{mpsc, Arc};
use rustc::dep_graph::DepGraph;
-use rustc::hir::def_id::CrateNum;
-use rustc::middle::cstore::MetadataLoader;
-use rustc::middle::cstore::{NativeLibrary, CrateSource, LibSource};
-use rustc::middle::lang_items::LangItem;
+use rustc::middle::allocator::AllocatorKind;
+use rustc::middle::cstore::{EncodedMetadata, MetadataLoader};
use rustc::session::{Session, CompileIncomplete};
use rustc::session::config::{OutputFilenames, OutputType, PrintRequest};
use rustc::ty::{self, TyCtxt};
use rustc::util::time_graph;
-use rustc::util::nodemap::{FxHashSet, FxHashMap};
use rustc::util::profiling::ProfileCategory;
use rustc_mir::monomorphize;
-use rustc_codegen_utils::{CompiledModule, ModuleKind};
+use rustc_codegen_ssa::ModuleCodegen;
use rustc_codegen_utils::codegen_backend::CodegenBackend;
-use rustc_data_structures::svh::Svh;
mod diagnostics;
pub mod wasm;
}
-mod interfaces;
-
mod abi;
mod allocator;
mod asm;
mod context;
mod debuginfo;
mod declare;
-mod glue;
mod intrinsic;
// The following is a work around that replaces `pub mod llvm;` and that fixes issue 53912.
mod llvm_util;
mod metadata;
-mod meth;
-mod mir;
mod mono_item;
mod type_;
mod type_of;
mod value;
+mod va_arg;
+#[derive(Clone)]
pub struct LlvmCodegenBackend(());
-impl !Send for LlvmCodegenBackend {} // Llvm is on a per-thread basis
-impl !Sync for LlvmCodegenBackend {}
+impl ExtraBackendMethods for LlvmCodegenBackend {
+ fn new_metadata(&self, sess: &Session, mod_name: &str) -> ModuleLlvm {
+ ModuleLlvm::new(sess, mod_name)
+ }
+ fn write_metadata<'b, 'gcx>(
+ &self,
+ tcx: TyCtxt<'b, 'gcx, 'gcx>,
+ metadata: &ModuleLlvm
+ ) -> EncodedMetadata {
+ base::write_metadata(tcx, metadata)
+ }
+ fn codegen_allocator(&self, tcx: TyCtxt, mods: &ModuleLlvm, kind: AllocatorKind) {
+ unsafe { allocator::codegen(tcx, mods, kind) }
+ }
+ fn compile_codegen_unit<'a, 'tcx: 'a>(
+ &self,
+ tcx: TyCtxt<'a, 'tcx, 'tcx>,
+ cgu_name: InternedString,
+ ) -> Stats {
+ base::compile_codegen_unit(tcx, cgu_name)
+ }
+ fn target_machine_factory(
+ &self,
+ sess: &Session,
+ find_features: bool
+ ) -> Arc<dyn Fn() ->
+ Result<&'static mut llvm::TargetMachine, String> + Send + Sync> {
+ back::write::target_machine_factory(sess, find_features)
+ }
+ fn target_cpu<'b>(&self, sess: &'b Session) -> &'b str {
+ llvm_util::target_cpu(sess)
+ }
+}
+
+impl WriteBackendMethods for LlvmCodegenBackend {
+ type Module = ModuleLlvm;
+ type ModuleBuffer = back::lto::ModuleBuffer;
+ type Context = llvm::Context;
+ type TargetMachine = &'static mut llvm::TargetMachine;
+ type ThinData = back::lto::ThinData;
+ type ThinBuffer = back::lto::ThinBuffer;
+ fn print_pass_timings(&self) {
+ unsafe { llvm::LLVMRustPrintPassTimings(); }
+ }
+ fn run_lto(
+ cgcx: &CodegenContext<Self>,
+ modules: Vec<ModuleCodegen<Self::Module>>,
+ cached_modules: Vec<(SerializedModule<Self::ModuleBuffer>, WorkProduct)>,
+ timeline: &mut Timeline
+ ) -> Result<(Vec<LtoModuleCodegen<Self>>, Vec<WorkProduct>), FatalError> {
+ back::lto::run(cgcx, modules, cached_modules, timeline)
+ }
+ unsafe fn optimize(
+ cgcx: &CodegenContext<Self>,
+ diag_handler: &Handler,
+ module: &ModuleCodegen<Self::Module>,
+ config: &ModuleConfig,
+ timeline: &mut Timeline
+ ) -> Result<(), FatalError> {
+ back::write::optimize(cgcx, diag_handler, module, config, timeline)
+ }
+ unsafe fn optimize_thin(
+ cgcx: &CodegenContext<Self>,
+ thin: &mut ThinModule<Self>,
+ timeline: &mut Timeline
+ ) -> Result<ModuleCodegen<Self::Module>, FatalError> {
+ back::lto::optimize_thin_module(thin, cgcx, timeline)
+ }
+ unsafe fn codegen(
+ cgcx: &CodegenContext<Self>,
+ diag_handler: &Handler,
+ module: ModuleCodegen<Self::Module>,
+ config: &ModuleConfig,
+ timeline: &mut Timeline
+ ) -> Result<CompiledModule, FatalError> {
+ back::write::codegen(cgcx, diag_handler, module, config, timeline)
+ }
+ fn run_lto_pass_manager(
+ cgcx: &CodegenContext<Self>,
+ module: &ModuleCodegen<Self::Module>,
+ config: &ModuleConfig,
+ thin: bool
+ ) {
+ back::lto::run_pass_manager(cgcx, module, config, thin)
+ }
+}
+
+unsafe impl Send for LlvmCodegenBackend {} // Llvm is on a per-thread basis
+unsafe impl Sync for LlvmCodegenBackend {}
impl LlvmCodegenBackend {
pub fn new() -> Box<dyn CodegenBackend> {
}
fn provide(&self, providers: &mut ty::query::Providers) {
- rustc_codegen_utils::symbol_export::provide(providers);
rustc_codegen_utils::symbol_names::provide(providers);
- base::provide_both(providers);
+ rustc_codegen_ssa::back::symbol_export::provide(providers);
+ rustc_codegen_ssa::base::provide_both(providers);
attributes::provide(providers);
}
fn provide_extern(&self, providers: &mut ty::query::Providers) {
- rustc_codegen_utils::symbol_export::provide_extern(providers);
- base::provide_both(providers);
+ rustc_codegen_ssa::back::symbol_export::provide_extern(providers);
+ rustc_codegen_ssa::base::provide_both(providers);
attributes::provide_extern(providers);
}
- fn codegen_crate<'a, 'tcx>(
+ fn codegen_crate<'b, 'tcx>(
&self,
- tcx: TyCtxt<'a, 'tcx, 'tcx>,
+ tcx: TyCtxt<'b, 'tcx, 'tcx>,
rx: mpsc::Receiver<Box<dyn Any + Send>>
) -> Box<dyn Any> {
- box base::codegen_crate(tcx, rx)
+ box rustc_codegen_ssa::base::codegen_crate(LlvmCodegenBackend(()), tcx, rx)
}
fn join_codegen_and_link(
outputs: &OutputFilenames,
) -> Result<(), CompileIncomplete>{
use rustc::util::common::time;
- let (ongoing_codegen, work_products) =
- ongoing_codegen.downcast::<::back::write::OngoingCodegen>()
+ let (codegen_results, work_products) =
+ ongoing_codegen.downcast::
+ <rustc_codegen_ssa::back::write::OngoingCodegen<LlvmCodegenBackend>>()
.expect("Expected LlvmCodegenBackend's OngoingCodegen, found Box<Any>")
.join(sess);
if sess.opts.debugging_opts.incremental_info {
- back::write::dump_incremental_data(&ongoing_codegen);
+ rustc_codegen_ssa::back::write::dump_incremental_data(&codegen_results);
}
time(sess,
// This should produce either a finished executable or library.
sess.profiler(|p| p.start_activity(ProfileCategory::Linking));
time(sess, "linking", || {
- back::link::link_binary(sess, &ongoing_codegen,
- outputs, &ongoing_codegen.crate_name.as_str());
+ back::link::link_binary(sess, &codegen_results,
+ outputs, &codegen_results.crate_name.as_str());
});
sess.profiler(|p| p.end_activity(ProfileCategory::Linking));
// Now that we won't touch anything in the incremental compilation directory
// any more, we can finalize it (which involves renaming it)
- rustc_incremental::finalize_session_directory(sess, ongoing_codegen.crate_hash);
+ rustc_incremental::finalize_session_directory(sess, codegen_results.crate_hash);
Ok(())
}
LlvmCodegenBackend::new()
}
-struct ModuleCodegen {
- /// The name of the module. When the crate may be saved between
- /// compilations, incremental compilation requires that name be
- /// unique amongst **all** crates. Therefore, it should contain
- /// something unique to this crate (e.g., a module path) as well
- /// as the crate name and disambiguator.
- /// We currently generate these names via CodegenUnit::build_cgu_name().
- name: String,
- module_llvm: ModuleLlvm<'static>,
- kind: ModuleKind,
-}
-
-struct CachedModuleCodegen {
- name: String,
- source: WorkProduct,
-}
-
-impl ModuleCodegen {
- fn into_compiled_module(self,
- emit_obj: bool,
- emit_bc: bool,
- emit_bc_compressed: bool,
- outputs: &OutputFilenames) -> CompiledModule {
- let object = if emit_obj {
- Some(outputs.temp_path(OutputType::Object, Some(&self.name)))
- } else {
- None
- };
- let bytecode = if emit_bc {
- Some(outputs.temp_path(OutputType::Bitcode, Some(&self.name)))
- } else {
- None
- };
- let bytecode_compressed = if emit_bc_compressed {
- Some(outputs.temp_path(OutputType::Bitcode, Some(&self.name))
- .with_extension(RLIB_BYTECODE_EXTENSION))
- } else {
- None
- };
-
- CompiledModule {
- name: self.name.clone(),
- kind: self.kind,
- object,
- bytecode,
- bytecode_compressed,
- }
- }
-}
-
-struct ModuleLlvm<'ll> {
+pub struct ModuleLlvm {
llcx: &'static mut llvm::Context,
llmod_raw: *const llvm::Module,
tm: &'static mut llvm::TargetMachine,
- phantom: PhantomData<&'ll ()>
}
-impl<'ll> Backend for ModuleLlvm<'ll> {
- type Value = &'ll Value;
- type BasicBlock = &'ll llvm::BasicBlock;
- type Type = &'ll Type;
- type Context = &'ll llvm::Context;
-}
-
-unsafe impl Send for ModuleLlvm<'ll> { }
-unsafe impl Sync for ModuleLlvm<'ll> { }
+unsafe impl Send for ModuleLlvm { }
+unsafe impl Sync for ModuleLlvm { }
-impl ModuleLlvm<'ll> {
+impl ModuleLlvm {
fn new(sess: &Session, mod_name: &str) -> Self {
unsafe {
let llcx = llvm::LLVMRustContextCreate(sess.fewer_names());
llmod_raw,
llcx,
tm: create_target_machine(sess, false),
- phantom: PhantomData
}
}
}
}
}
-impl CommonWriteMethods for ModuleLlvm<'ll> {
- fn val_ty(&self, v: &'ll Value) -> &'ll Type {
- unsafe {
- llvm::LLVMTypeOf(v)
- }
- }
-
- fn c_bytes_in_context(&self, llcx: &'ll llvm::Context, bytes: &[u8]) -> &'ll Value {
- unsafe {
- let ptr = bytes.as_ptr() as *const c_char;
- return llvm::LLVMConstStringInContext(
- llcx,
- ptr,
- bytes.len() as c_uint,
- llvm::True);
- }
- }
-
- fn c_struct_in_context(
- &self,
- llcx: &'a llvm::Context,
- elts: &[&'a Value],
- packed: bool,
- ) -> &'a Value {
- unsafe {
- llvm::LLVMConstStructInContext(llcx,
- elts.as_ptr(), elts.len() as c_uint,
- packed as llvm::Bool)
- }
- }
-}
-
-impl Drop for ModuleLlvm<'ll> {
+impl Drop for ModuleLlvm {
fn drop(&mut self) {
unsafe {
llvm::LLVMContextDispose(&mut *(self.llcx as *mut _));
}
}
-struct CodegenResults {
- crate_name: Symbol,
- modules: Vec<CompiledModule>,
- allocator_module: Option<CompiledModule>,
- metadata_module: CompiledModule,
- crate_hash: Svh,
- metadata: rustc::middle::cstore::EncodedMetadata,
- windows_subsystem: Option<String>,
- linker_info: rustc_codegen_utils::linker::LinkerInfo,
- crate_info: CrateInfo,
-}
-
-/// Misc info we load from metadata to persist beyond the tcx
-struct CrateInfo {
- panic_runtime: Option<CrateNum>,
- compiler_builtins: Option<CrateNum>,
- profiler_runtime: Option<CrateNum>,
- sanitizer_runtime: Option<CrateNum>,
- is_no_builtins: FxHashSet<CrateNum>,
- native_libraries: FxHashMap<CrateNum, Lrc<Vec<NativeLibrary>>>,
- crate_name: FxHashMap<CrateNum, String>,
- used_libraries: Lrc<Vec<NativeLibrary>>,
- link_args: Lrc<Vec<String>>,
- used_crate_source: FxHashMap<CrateNum, Lrc<CrateSource>>,
- used_crates_static: Vec<(CrateNum, LibSource)>,
- used_crates_dynamic: Vec<(CrateNum, LibSource)>,
- wasm_imports: FxHashMap<String, String>,
- lang_item_to_crate: FxHashMap<LangItem, CrateNum>,
- missing_lang_items: FxHashMap<CrateNum, Vec<LangItem>>,
-}
-
__build_diagnostic_array! { librustc_codegen_llvm, DIAGNOSTICS }
projects / rust.git / blobdiff