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add comments to asg passes

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This commit is contained in:
collin 2021-03-23 15:33:13 -07:00
parent b9d676a404
commit 99efdf00cb
2 changed files with 15 additions and 2 deletions
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11
compiler/src/compiler.rs
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@ -26,7 +26,7 @@ use crate::{
};
use indexmap::IndexMap;
pub use leo_asg::{new_context, AsgContext as Context, AsgContext};
use leo_asg::{Asg, AsgPass, FormattedError, Program};
use leo_asg::{Asg, AsgPass, FormattedError, Program as AsgProgram};
use leo_ast::{Input, LeoError, MainInput, Program as AstProgram};
use leo_input::LeoInputParser;
use leo_package::inputs::InputPairs;
@ -67,7 +67,7 @@ pub struct Compiler<'a, F: PrimeField, G: GroupType<F>> {
program: AstProgram,
program_input: Input,
context: AsgContext<'a>,
asg: Option<Program<'a>>,
asg: Option<AsgProgram<'a>>,
file_contents: RefCell<IndexMap<String, Rc<Vec<String>>>>,
options: CompilerOptions,
_engine: PhantomData<F>,
@ -284,12 +284,19 @@ impl<'a, F: PrimeField, G: GroupType<F>> Compiler<'a, F, G> {
Ok(())
}
///
/// Run compiler optimization passes on the program in asg format.
///
fn do_asg_passes(&mut self) -> Result<(), FormattedError> {
assert!(self.asg.is_some());
// Do constant folding.
if self.options.constant_folding_enabled {
let asg = self.asg.take().unwrap();
self.asg = Some(leo_asg_passes::ConstantFolding::do_pass(asg)?);
}
// Do dead code elimination.
if self.options.dead_code_elimination_enabled {
let asg = self.asg.take().unwrap();
self.asg = Some(leo_asg_passes::DeadCodeElimination::do_pass(asg)?);

6
compiler/src/option.rs
View File

@ -14,6 +14,9 @@
// You should have received a copy of the GNU General Public License
// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
///
/// Toggles compiler optimizations on the program.
///
#[derive(Clone)]
pub struct CompilerOptions {
pub constant_folding_enabled: bool,
@ -21,6 +24,9 @@ pub struct CompilerOptions {
}
impl Default for CompilerOptions {
///
/// All compiler optimizations are enabled by default.
///
fn default() -> Self {
CompilerOptions {
constant_folding_enabled: true,