Sync rustc_codegen_cranelift 'ddd4ce25535cf71203ba3700896131ce55fde795'

[rust.git] / compiler / rustc_codegen_cranelift / src / driver / mod.rs

diff --git a/compiler/rustc_codegen_cranelift/src/driver/mod.rs b/compiler/rustc_codegen_cranelift/src/driver/mod.rs
index d49182a07b79e5d6074d7e1d6e016c3498a9544d..8f5714ecb417704e446edda114f65b4966facb66 100644 (file)
--- a/compiler/rustc_codegen_cranelift/src/driver/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/driver/mod.rs
@@ -1,63 +1,37 @@
-//! 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(_) => {}
             }
@@ -65,8 +39,8 @@ fn predefine_mono_items<'tcx>(
     });
 }
 
-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);