83 lines
2.5 KiB
Rust
83 lines
2.5 KiB
Rust
use crate::ir::ir_add::IrAdd;
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use crate::ir::ir_call::IrCall;
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use crate::ir::ir_expression::IrExpression;
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use crate::ir::ir_variable::IrVrVariableDescriptor;
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use crate::ir::register_allocation::{OffsetCounter, VrUser};
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use std::collections::{HashMap, HashSet};
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use std::fmt::{Display, Formatter};
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pub enum IrOperation {
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Load(IrExpression),
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Add(IrAdd),
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Call(IrCall),
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}
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impl Display for IrOperation {
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fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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match self {
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IrOperation::Load(ir_expression) => {
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write!(f, "{}", ir_expression)
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}
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IrOperation::Add(ir_add) => {
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write!(f, "{}", ir_add)
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}
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IrOperation::Call(ir_call) => {
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write!(f, "{}", ir_call)
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}
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}
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}
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}
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impl VrUser for IrOperation {
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fn vr_definitions(&self) -> HashSet<IrVrVariableDescriptor> {
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match self {
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IrOperation::Load(ir_expression) => ir_expression.vr_definitions(),
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IrOperation::Add(ir_add) => ir_add.vr_definitions(),
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IrOperation::Call(ir_call) => ir_call.vr_definitions(),
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}
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}
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fn vr_uses(&self) -> HashSet<IrVrVariableDescriptor> {
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match self {
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IrOperation::Load(ir_expression) => ir_expression.vr_uses(),
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IrOperation::Add(ir_add) => ir_add.vr_uses(),
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IrOperation::Call(ir_call) => ir_call.vr_uses(),
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}
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}
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fn propagate_spills(&mut self, spills: &HashSet<IrVrVariableDescriptor>) {
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match self {
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IrOperation::Load(ir_expression) => {
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ir_expression.propagate_spills(spills);
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}
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IrOperation::Add(ir_add) => {
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ir_add.propagate_spills(spills);
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}
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IrOperation::Call(ir_call) => {
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ir_call.propagate_spills(spills);
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}
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}
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}
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fn propagate_register_assignments(
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&mut self,
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assignments: &HashMap<IrVrVariableDescriptor, usize>,
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) {
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match self {
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IrOperation::Load(ir_expression) => {
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ir_expression.propagate_register_assignments(assignments);
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}
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IrOperation::Add(ir_add) => {
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ir_add.propagate_register_assignments(assignments);
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}
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IrOperation::Call(ir_call) => {
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ir_call.propagate_register_assignments(assignments);
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}
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}
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}
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fn propagate_stack_offsets(&mut self, _counter: &mut OffsetCounter) {
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// no-op
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}
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}
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