WIP.
This commit is contained in:
Chris Fallin
parent
c86347bb17
commit
0966867317
195
src/frontend.rs
195
src/frontend.rs
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@ -186,11 +186,186 @@ impl<'a, 'b> FunctionBodyBuilder<'a, 'b> {
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fn handle_op(&mut self, op: Operator<'a>) -> Result<()> {
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match &op {
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Operator::Unreachable
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| Operator::Call { .. }
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| Operator::LocalGet { .. }
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| Operator::LocalSet { .. }
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| Operator::LocalTee { .. }
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| Operator::I32Eqz => self.emit(op.clone())?,
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| Operator::Call { .. }
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| Operator::CallIndirect { .. }
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| Operator::Select
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| Operator::TypedSelect { .. }
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| Operator::GlobalGet { .. }
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| Operator::GlobalSet { .. }
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| Operator::I32Load { .. }
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| Operator::I64Load { .. }
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| Operator::F32Load { .. }
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| Operator::F64Load { .. }
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| Operator::I32Load8S { .. }
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| Operator::I32Load8U { .. }
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| Operator::I32Load16S { .. }
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| Operator::I32Load16U { .. }
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| Operator::I64Load8S { .. }
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| Operator::I64Load8U { .. }
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| Operator::I64Load16S { .. }
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| Operator::I64Load16U { .. }
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| Operator::I64Load32S { .. }
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| Operator::I64Load32U { .. }
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| Operator::I32Store { .. }
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| Operator::I64Store { .. }
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| Operator::F32Store { .. }
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| Operator::F64Store { .. }
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| Operator::I32Store8 { .. }
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| Operator::I32Store16 { .. }
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| Operator::I64Store8 { .. }
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| Operator::I64Store16 { .. }
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| Operator::I64Store32 { .. }
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| Operator::MemorySize { .. }
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| Operator::MemoryGrow { .. }
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| Operator::I32Const { .. }
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| Operator::I64Const { .. }
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| Operator::F32Const { .. }
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| Operator::F64Const { .. }
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| Operator::I32Eqz
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| Operator::I32Eq
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| Operator::I32Ne
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| Operator::I32LtS
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| Operator::I32LtU
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| Operator::I32GtS
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| Operator::I32GtU
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| Operator::I32LeS
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| Operator::I32LeU
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| Operator::I32GeS
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| Operator::I32GeU
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| Operator::I64Eqz
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| Operator::I64Eq
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| Operator::I64Ne
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| Operator::I64LtS
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| Operator::I64LtU
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| Operator::I64GtU
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| Operator::I64GtS
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| Operator::I64LeS
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| Operator::I64LeU
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| Operator::I64GeS
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| Operator::I64GeU
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| Operator::F32Eq
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| Operator::F32Ne
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| Operator::F32Lt
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| Operator::F32Gt
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| Operator::F32Le
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| Operator::F32Ge
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| Operator::F64Eq
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| Operator::F64Ne
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| Operator::F64Lt
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| Operator::F64Gt
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| Operator::F64Le
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| Operator::F64Ge
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| Operator::I32Clz
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| Operator::I32Ctz
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| Operator::I32Popcnt
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| Operator::I32Add
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| Operator::I32Sub
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| Operator::I32Mul
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| Operator::I32DivS
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| Operator::I32DivU
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| Operator::I32RemS
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| Operator::I32RemU
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| Operator::I32And
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| Operator::I32Or
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| Operator::I32Xor
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| Operator::I32Shl
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| Operator::I32ShrS
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| Operator::I32ShrU
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| Operator::I32Rotl
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| Operator::I32Rotr
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| Operator::I64Clz
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| Operator::I64Ctz
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| Operator::I64Popcnt
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| Operator::I64Add
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| Operator::I64Sub
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| Operator::I64Mul
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| Operator::I64DivS
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| Operator::I64DivU
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| Operator::I64RemS
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| Operator::I64RemU
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| Operator::I64And
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| Operator::I64Or
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| Operator::I64Xor
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| Operator::I64Shl
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| Operator::I64ShrS
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| Operator::I64ShrU
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| Operator::I64Rotl
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| Operator::I64Rotr
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| Operator::F32Abs
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| Operator::F32Neg
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| Operator::F32Ceil
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| Operator::F32Floor
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| Operator::F32Trunc
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| Operator::F32Nearest
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| Operator::F32Sqrt
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| Operator::F32Add
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| Operator::F32Sub
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| Operator::F32Mul
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| Operator::F32Div
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| Operator::F32Min
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| Operator::F32Max
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| Operator::F32Copysign
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| Operator::F64Abs
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| Operator::F64Neg
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| Operator::F64Ceil
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| Operator::F64Floor
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| Operator::F64Trunc
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| Operator::F64Nearest
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| Operator::F64Sqrt
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| Operator::F64Add
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| Operator::F64Sub
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| Operator::F64Mul
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| Operator::F64Div
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| Operator::F64Min
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| Operator::F64Max
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| Operator::F64Copysign
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| Operator::I32WrapI64
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| Operator::I32TruncF32S
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| Operator::I32TruncF32U
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| Operator::I32TruncF64S
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| Operator::I32TruncF64U
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| Operator::I64ExtendI32S
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| Operator::I64ExtendI32U
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| Operator::I64TruncF32S
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| Operator::I64TruncF32U
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| Operator::I64TruncF64S
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| Operator::I64TruncF64U
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| Operator::F32ConvertI32S
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| Operator::F32ConvertI32U
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| Operator::F32ConvertI64S
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| Operator::F32ConvertI64U
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| Operator::F32DemoteF64
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| Operator::F64ConvertI32S
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| Operator::F64ConvertI32U
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| Operator::F64ConvertI64S
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| Operator::F64ConvertI64U
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| Operator::F64PromoteF32
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| Operator::I32Extend8S
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| Operator::I32Extend16S
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| Operator::I64Extend8S
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| Operator::I64Extend16S
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| Operator::I64Extend32S
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| Operator::I32TruncSatF32S
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| Operator::I32TruncSatF32U
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| Operator::I32TruncSatF64S
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| Operator::I32TruncSatF64U
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| Operator::I64TruncSatF32S
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| Operator::I64TruncSatF32U
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| Operator::I64TruncSatF64S
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| Operator::I64TruncSatF64U
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| Operator::TableGet { .. }
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| Operator::TableSet { .. }
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| Operator::TableGrow { .. }
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| Operator::TableSize { .. } => self.emit(op.clone())?,
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Operator::Nop => {}
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Operator::Drop => {
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self.op_stack.pop().unwrap();
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}
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Operator::End => match self.ctrl_stack.pop() {
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None => {
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@ -377,6 +552,15 @@ impl<'a, 'b> FunctionBodyBuilder<'a, 'b> {
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term_targets.push(block);
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}
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self.emit_br_table(index, default_term_target, &term_targets[..], &args[..]);
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self.cur_block = None;
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}
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Operator::Return => {
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let retvals = self
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.op_stack
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.split_off(self.module.signatures[self.my_sig].returns.len());
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self.emit_ret(&retvals[..]);
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self.cur_block = None;
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}
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_ => bail!("Unsupported operator: {:?}", op),
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@ -478,6 +662,13 @@ impl<'a, 'b> FunctionBodyBuilder<'a, 'b> {
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}
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}
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fn emit_ret(&mut self, vals: &[ValueId]) {
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if let Some(block) = self.cur_block {
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let values = vals.iter().map(|&value| Operand::value(value)).collect();
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self.body.blocks[block].terminator = Terminator::Return { values };
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}
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}
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fn push_block_params(&mut self, tys: &[Type]) {
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assert_eq!(tys, self.body.blocks[self.cur_block.unwrap()].params);
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for (i, &ty) in tys.iter().enumerate() {
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@ -17,6 +17,11 @@ pub fn op_inputs(
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let sig = module.funcs[function_index as usize].sig();
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Ok(Vec::from(module.signatures[sig].params.clone()))
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}
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&Operator::CallIndirect { index, .. } => {
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let mut params = vec![Type::I32];
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params.extend_from_slice(&module.signatures[index as usize].params[..]);
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Ok(params)
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}
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&Operator::Return => Ok(Vec::from(module.signatures[my_sig].returns.clone())),
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&Operator::LocalSet { local_index } | &Operator::LocalTee { local_index } => {
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@ -39,6 +44,9 @@ pub fn op_outputs(module: &Module, my_locals: &[Type], op: &Operator<'_>) -> Res
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let sig = module.funcs[function_index as usize].sig();
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Ok(Vec::from(module.signatures[sig].returns.clone()))
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}
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&Operator::CallIndirect { index, .. } => {
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Ok(Vec::from(module.signatures[index as usize].returns.clone()))
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}
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&Operator::Return => Ok(vec![]),
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&Operator::LocalSet { .. } | &Operator::LocalTee { .. } => Ok(vec![]),
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&Operator::LocalGet { local_index } => Ok(vec![my_locals[local_index as usize]]),
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