oxilean_codegen/opt_passes/
copypropagationpass_traits.rs1use crate::lcnf::{LcnfArg, LcnfExpr, LcnfFunDecl, LcnfLetValue, LcnfLit, LcnfVarId};
14
15use super::functions::OptPass;
16use super::types::CopyPropagationPass;
17use std::fmt;
18
19impl Default for CopyPropagationPass {
20 fn default() -> Self {
21 Self::new()
22 }
23}
24
25impl fmt::Debug for CopyPropagationPass {
26 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
27 write!(f, "CopyPropagationPass(subs={})", self.substitutions)
28 }
29}
30
31impl OptPass for CopyPropagationPass {
32 fn name(&self) -> &str {
33 "copy_propagation"
34 }
35 fn run_pass(&mut self, decls: &mut [LcnfFunDecl]) -> usize {
36 let before = self.substitutions;
37 self.run(decls);
38 (self.substitutions - before) as usize
39 }
40}