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perf: DCE 管线复用，零删除免重建 CFG 与活集

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彭俊皓
2026-10-12 11:54:29 +00:00
parent 3c13aed5fb
commit a803fbff93
12 changed files with 110 additions and 60 deletions
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crates/oxide_regalloc/tests/runtime_eq.rs
+2 -2
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@@ -16,7 +16,7 @@ fn run_source(src: &str, regalloc: bool) -> Result<JsValue, String> {
let mut ir = oxide_emit::Emitter::new()
.emit_program(&program, false, false)
.expect("emit failed");
oxide_dce::dce(&mut ir);
let _ = oxide_dce::dce(&mut ir);
if regalloc {
let cfg = oxide_cfg::build_cfg(&ir);
let live = oxide_liveness::liveness(&ir, &cfg);
@@ -128,7 +128,7 @@ fn large_and_spill_samples_run_correctly() {
let allocator = oxide_parser::Allocator::default();
let program = oxide_parser::parse(&allocator, &src_spill).expect("parse");
let mut ir = oxide_emit::Emitter::new().emit_program(&program, false, false).expect("emit");
oxide_dce::dce(&mut ir);
let _ = oxide_dce::dce(&mut ir);
let cfg = oxide_cfg::build_cfg(&ir);
let live = oxide_liveness::liveness(&ir, &cfg);
oxide_dce::dce_precise(&mut ir, &live);