ITStudio_OUC/OxideJS-New
0
1
Fork 0
mirror of https://github.com/pjh456/OxideJS.git synced 2026-10-25 11:11:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix: 可抛算术比较位 opcode 纯标翻转，DCE 不再删副作用指令

Browse Source
This commit is contained in:
彭俊皓
2026-09-27 01:28:49 +00:00
parent f8722ca91d
commit 18737c70ea
5 changed files with 72 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crates/oxide_dce/tests/precise_unit.rs
+3 -13
View File
@@ -31,18 +31,8 @@ fn run_precise(f: &mut IRFunction, after: &[&[u32]], reg_count: usize) {
#[test]
fn reuse_killed_dead_write_deleted() {
let mut f = IRFunction::new();
f.insts.push(Inst::new(
oxide_bytecode::opcode::OpCode::ADD,
Operand::Reg(5),
Operand::Reg(1),
Operand::Reg(2),
));
f.insts.push(Inst::new(
oxide_bytecode::opcode::OpCode::ADD,
Operand::Reg(5),
Operand::Reg(3),
Operand::Reg(4),
));
f.insts.push(Inst::inst_mov(Operand::Reg(5), Operand::Reg(1)));
f.insts.push(Inst::inst_mov(Operand::Reg(5), Operand::Reg(3)));
f.insts.push(Inst::new(
oxide_bytecode::opcode::OpCode::RETURN,
Operand::Reg(5),
@@ -51,7 +41,7 @@ fn reuse_killed_dead_write_deleted() {
));
// inst_live_after = [{3,4}, {5}, {}]：inst0 def 5 在 live_after[0] 无 5（后写杀死）
run_precise(&mut f, &[&[3, 4], &[5], &[]], 5);
assert_eq!(f.insts.len(), 2, "死写（前一个 ADD）应被删");
assert_eq!(f.insts.len(), 2, "死写（前一个 MOV）应被删");
}
/// 局部死 STORE_VAR 删除（四条件全满足）。