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stack2reg: Remove self in remove_unused_stack_addr and()

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remove_unused_load()
This commit is contained in:
CohenArthur 2020-08-23 17:55:35 +02:00
parent 80ee042a36
commit b0ea85fb83
1 changed files with 8 additions and 7 deletions
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15
src/optimize/stack2reg.rs
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@ -79,16 +79,14 @@ impl StackSlotUsage {
}).collect::<Vec<Inst>>()
}
fn remove_unused_stack_addr(&mut self, func: &mut Function, inst: Inst) {
fn remove_unused_stack_addr(func: &mut Function, inst: Inst) {
func.dfg.detach_results(inst);
func.dfg.replace(inst).nop();
self.stack_addr.remove(&inst);
}
fn remove_unused_load(&mut self, func: &mut Function, load: Inst) {
fn remove_unused_load(func: &mut Function, load: Inst) {
func.dfg.detach_results(load);
func.dfg.replace(load).nop();
self.stack_load.remove(&load);
}
fn remove_dead_store(&mut self, func: &mut Function, store: Inst) {
@ -315,18 +313,21 @@ fn remove_unused_stack_addr_and_stack_load(opt_ctx: &mut OptimizeContext<'_>) {
// Replace all unused stack_addr and stack_load instructions with nop.
for stack_slot_users in opt_ctx.stack_slot_usage_map.values_mut() {
// FIXME: Remove clone
for &inst in stack_slot_users.stack_addr.clone().iter() {
if stack_addr_load_insts_users.get(&inst).map(|users| users.is_empty()).unwrap_or(true) {
stack_slot_users.remove_unused_stack_addr(&mut opt_ctx.ctx.func, inst);
StackSlotUsage::remove_unused_stack_addr(&mut opt_ctx.ctx.func, inst);
stack_slot_users.stack_addr.remove(&inst);
}
}
/*
for &inst in stack_slot_users.stack_load.clone().iter() {
if stack_addr_load_insts_users.get(&inst).map(|users| users.is_empty()).unwrap_or(true) {
stack_slot_users.remove_unused_load(&mut opt_ctx.ctx.func, inst);
StackSlotUsage::remove_unused_load(&mut opt_ctx.ctx.func, inst);
stack_slot_users.stack_load.remove(&inst);
}
}
*/
}
}