-
Notifications
You must be signed in to change notification settings - Fork 246
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
linker: add
--spirt-passes codegen args and underlying abstraction.
- Loading branch information
Showing
4 changed files
with
133 additions
and
5 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| //! SPIR-T pass infrastructure and supporting utilities. | ||
|
|
||
| use rustc_data_structures::fx::FxIndexSet; | ||
| use spirt::visit::{InnerVisit, Visitor}; | ||
| use spirt::{AttrSet, Const, Context, DeclDef, Func, GlobalVar, Module, Type}; | ||
|
|
||
| /// Run intra-function passes on all `Func` definitions in the `Module`. | ||
| // | ||
| // FIXME(eddyb) introduce a proper "pass manager". | ||
| pub(super) fn run_func_passes<P>( | ||
| module: &mut Module, | ||
| passes: &[impl AsRef<str>], | ||
| // FIXME(eddyb) this is a very poor approximation of a "profiler" abstraction. | ||
| mut before_pass: impl FnMut(&'static str, &Module) -> P, | ||
| mut after_pass: impl FnMut(&'static str, &Module, P), | ||
| ) { | ||
| let cx = &module.cx(); | ||
|
|
||
| // FIXME(eddyb) reuse this collection work in some kind of "pass manager". | ||
| let all_funcs = { | ||
| let mut collector = ReachableUseCollector { | ||
| cx, | ||
| module, | ||
|
|
||
| seen_types: FxIndexSet::default(), | ||
| seen_consts: FxIndexSet::default(), | ||
| seen_global_vars: FxIndexSet::default(), | ||
| seen_funcs: FxIndexSet::default(), | ||
| }; | ||
| for &exportee in module.exports.values() { | ||
| exportee.inner_visit_with(&mut collector); | ||
| } | ||
| collector.seen_funcs | ||
| }; | ||
|
|
||
| for name in passes { | ||
| let name = name.as_ref(); | ||
| let (full_name, pass_fn) = match name { | ||
| _ => panic!("unknown `--spirt-passes={}`", name), | ||
| }; | ||
|
|
||
| let profiler = before_pass(full_name, module); | ||
| for &func in &all_funcs { | ||
| if let DeclDef::Present(func_def_body) = &mut module.funcs[func].def { | ||
| pass_fn(cx, func_def_body); | ||
| } | ||
| } | ||
| after_pass(full_name, module, profiler); | ||
| } | ||
| } | ||
|
|
||
| // FIXME(eddyb) this is just copy-pasted from `spirt` and should be reusable. | ||
| struct ReachableUseCollector<'a> { | ||
| cx: &'a Context, | ||
| module: &'a Module, | ||
|
|
||
| // FIXME(eddyb) build some automation to avoid ever repeating these. | ||
| seen_types: FxIndexSet<Type>, | ||
| seen_consts: FxIndexSet<Const>, | ||
| seen_global_vars: FxIndexSet<GlobalVar>, | ||
| seen_funcs: FxIndexSet<Func>, | ||
| } | ||
|
|
||
| impl Visitor<'_> for ReachableUseCollector<'_> { | ||
| // FIXME(eddyb) build some automation to avoid ever repeating these. | ||
| fn visit_attr_set_use(&mut self, _attrs: AttrSet) {} | ||
| fn visit_type_use(&mut self, ty: Type) { | ||
| if self.seen_types.insert(ty) { | ||
| self.visit_type_def(&self.cx[ty]); | ||
| } | ||
| } | ||
| fn visit_const_use(&mut self, ct: Const) { | ||
| if self.seen_consts.insert(ct) { | ||
| self.visit_const_def(&self.cx[ct]); | ||
| } | ||
| } | ||
|
|
||
| fn visit_global_var_use(&mut self, gv: GlobalVar) { | ||
| if self.seen_global_vars.insert(gv) { | ||
| self.visit_global_var_decl(&self.module.global_vars[gv]); | ||
| } | ||
| } | ||
| fn visit_func_use(&mut self, func: Func) { | ||
| if self.seen_funcs.insert(func) { | ||
| self.visit_func_decl(&self.module.funcs[func]); | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters