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stack2reg: Drain instead of only iterating

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This commit is contained in:
CohenArthur 2020-08-23 18:36:42 +02:00
parent eb6df58cdd
commit 5c8c75b1d2
1 changed files with 4 additions and 4 deletions
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8
src/optimize/stack2reg.rs
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@ -316,15 +316,15 @@ fn remove_unused_stack_addr_and_stack_load(opt_ctx: &mut OptimizeContext<'_>) {
for stack_slot_users in opt_ctx.stack_slot_usage_map.values_mut() {
stack_slot_users
.stack_addr
.iter()
.drain()
.filter(|inst| stack_addr_load_insts_users.get(inst).map(|users| users.is_empty()).unwrap_or(true))
.for_each(|inst| StackSlotUsage::remove_unused_stack_addr(&mut func, *inst));
.for_each(|inst| StackSlotUsage::remove_unused_stack_addr(&mut func, inst));
stack_slot_users
.stack_load
.iter()
.drain()
.filter(|inst| stack_addr_load_insts_users.get(inst).map(|users| users.is_empty()).unwrap_or(true))
.for_each(|inst| StackSlotUsage::remove_unused_load(&mut func, *inst));
.for_each(|inst| StackSlotUsage::remove_unused_load(&mut func, inst));
}
}