-//! Drivers are responsible for calling [`codegen_mono_item`] and performing any further actions
-//! like JIT executing or writing object files.
+//! Drivers are responsible for calling [`codegen_fn`] or [`codegen_static`] for each mono item and
+//! performing any further actions like JIT executing or writing object files.
+//!
+//! [`codegen_fn`]: crate::base::codegen_fn
+//! [`codegen_static`]: crate::constant::codegen_static
-use std::any::Any;
-
-use rustc_middle::middle::cstore::EncodedMetadata;
use rustc_middle::mir::mono::{Linkage as RLinkage, MonoItem, Visibility};
use crate::prelude::*;
-use crate::CodegenMode;
-mod aot;
+pub(crate) mod aot;
#[cfg(feature = "jit")]
-mod jit;
-
-pub(crate) fn codegen_crate(
- tcx: TyCtxt<'_>,
- metadata: EncodedMetadata,
- need_metadata_module: bool,
- backend_config: crate::BackendConfig,
-) -> Box<dyn Any> {
- tcx.sess.abort_if_errors();
-
- match backend_config.codegen_mode {
- CodegenMode::Aot => aot::run_aot(tcx, backend_config, metadata, need_metadata_module),
- CodegenMode::Jit | CodegenMode::JitLazy => {
- let is_executable =
- tcx.sess.crate_types().contains(&rustc_session::config::CrateType::Executable);
- if !is_executable {
- tcx.sess.fatal("can't jit non-executable crate");
- }
-
- #[cfg(feature = "jit")]
- let _: ! = jit::run_jit(tcx, backend_config);
-
- #[cfg(not(feature = "jit"))]
- tcx.sess.fatal("jit support was disabled when compiling rustc_codegen_cranelift");
- }
- }
-}
+pub(crate) mod jit;
fn predefine_mono_items<'tcx>(
- cx: &mut crate::CodegenCx<'_, 'tcx>,
+ tcx: TyCtxt<'tcx>,
+ module: &mut dyn Module,
mono_items: &[(MonoItem<'tcx>, (RLinkage, Visibility))],
) {
- cx.tcx.sess.time("predefine functions", || {
- let is_compiler_builtins = cx.tcx.is_compiler_builtins(LOCAL_CRATE);
+ tcx.sess.time("predefine functions", || {
+ let is_compiler_builtins = tcx.is_compiler_builtins(LOCAL_CRATE);
for &(mono_item, (linkage, visibility)) in mono_items {
match mono_item {
MonoItem::Fn(instance) => {
- let name = cx.tcx.symbol_name(instance).name.to_string();
+ let name = tcx.symbol_name(instance).name;
let _inst_guard = crate::PrintOnPanic(|| format!("{:?} {}", instance, name));
- let sig = get_function_sig(cx.tcx, cx.module.isa().triple(), instance);
+ let sig = get_function_sig(tcx, module.isa().triple(), instance);
let linkage = crate::linkage::get_clif_linkage(
mono_item,
linkage,
visibility,
is_compiler_builtins,
);
- cx.module.declare_function(&name, linkage, &sig).unwrap();
+ module.declare_function(name, linkage, &sig).unwrap();
}
MonoItem::Static(_) | MonoItem::GlobalAsm(_) => {}
}
});
}
-fn time<R>(tcx: TyCtxt<'_>, name: &'static str, f: impl FnOnce() -> R) -> R {
- if std::env::var("CG_CLIF_DISPLAY_CG_TIME").as_ref().map(|val| &**val) == Ok("1") {
+fn time<R>(tcx: TyCtxt<'_>, display: bool, name: &'static str, f: impl FnOnce() -> R) -> R {
+ if display {
println!("[{:<30}: {}] start", tcx.crate_name(LOCAL_CRATE), name);
let before = std::time::Instant::now();
let res = tcx.sess.time(name, f);