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Use multiple codegen units

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This commit is contained in:
bjorn3 2020-03-07 12:45:55 +01:00
parent 36ea72c2bd
commit 03acf67a0e
1 changed files with 30 additions and 29 deletions
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29
src/driver.rs
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@ -72,7 +72,9 @@ fn run_jit(tcx: TyCtxt<'_>) -> ! {
.iter()
.map(|cgu| cgu.items_in_deterministic_order(tcx).into_iter())
.flatten()
.collect::<FxHashMap<_, (_, _)>>();
.collect::<FxHashMap<_, (_, _)>>()
.into_iter()
.collect::<Vec<(_, (_, _))>>();
time(tcx.sess, "codegen mono items", || {
codegen_mono_items(tcx, &mut jit_module, None, mono_items);
@ -208,13 +210,12 @@ fn run_aot(
};
let (_, cgus) = tcx.collect_and_partition_mono_items(LOCAL_CRATE);
let mono_items = cgus
.iter()
.map(|cgu| cgu.items_in_deterministic_order(tcx).into_iter())
.flatten()
.collect::<FxHashMap<_, (_, _)>>();
let mut module = new_module("some_file".to_string());
let modules = time(tcx.sess, "codegen mono items", move || {
cgus.iter().map(|cgu| {
let mono_items = cgu.items_in_deterministic_order(tcx);
let mut module = new_module(cgu.name().as_str().to_string());
let mut debug = if tcx.sess.opts.debuginfo != DebugInfo::None {
let debug = DebugContext::new(
@ -226,18 +227,18 @@ fn run_aot(
None
};
time(tcx.sess, "codegen mono items", || {
codegen_mono_items(tcx, &mut module, debug.as_mut(), mono_items);
});
crate::main_shim::maybe_create_entry_wrapper(tcx, &mut module);
let modules = vec![emit_module(
emit_module(
tcx,
"some_file".to_string(),
cgu.name().as_str().to_string(),
ModuleKind::Regular,
module,
debug,
)];
)
}).collect::<Vec<_>>()
});
tcx.sess.abort_if_errors();
@ -310,12 +311,12 @@ fn codegen_mono_items<'tcx>(
tcx: TyCtxt<'tcx>,
module: &mut Module<impl Backend + 'static>,
debug_context: Option<&mut DebugContext<'tcx>>,
mono_items: FxHashMap<MonoItem<'tcx>, (RLinkage, Visibility)>,
mono_items: Vec<(MonoItem<'tcx>, (RLinkage, Visibility))>,
) {
let mut cx = CodegenCx::new(tcx, module, debug_context);
tcx.sess.time("predefine functions", || {
for (&mono_item, &(linkage, visibility)) in &mono_items {
for &(mono_item, (linkage, visibility)) in &mono_items {
match mono_item {
MonoItem::Fn(instance) => {
let (name, sig) =