core/codegen/expr: WIP - Split cmpop
parent
5450147007
commit
d457e6c986
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@ -1379,6 +1379,127 @@ pub fn gen_unaryop_expr<'ctx, G: CodeGenerator>(
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gen_unaryop_expr_with_values(generator, ctx, op, (&operand.custom, val))
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}
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pub fn gen_cmpop_expr_with_values<'ctx, G: CodeGenerator>(
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_generator: &mut G,
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ctx: &mut CodeGenContext<'ctx, '_>,
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left: (Option<Type>, BasicValueEnum<'ctx>),
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ops: &[ast::Cmpop],
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comparators: &[(Option<Type>, BasicValueEnum<'ctx>)],
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) -> Result<Option<ValueEnum<'ctx>>, String> {
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let cmp_val = izip!(chain(once(&left), comparators.iter()), comparators.iter(), ops.iter(),)
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.fold(Ok(None), |prev: Result<Option<_>, String>, (lhs, rhs, op)| {
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let (left_ty, lhs) = lhs;
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let (right_ty, rhs) = rhs;
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let left_ty = ctx.unifier.get_representative(left_ty.unwrap());
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let right_ty = ctx.unifier.get_representative(right_ty.unwrap());
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let current =
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if [ctx.primitives.int32, ctx.primitives.int64, ctx.primitives.uint32, ctx.primitives.uint64, ctx.primitives.bool]
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.contains(&left_ty)
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{
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assert!(ctx.unifier.unioned(left_ty, right_ty));
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let use_unsigned_ops = [
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ctx.primitives.uint32,
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ctx.primitives.uint64,
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].contains(&left_ty);
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let lhs = lhs.into_int_value();
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let rhs = rhs.into_int_value();
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let op = match op {
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ast::Cmpop::Eq | ast::Cmpop::Is => IntPredicate::EQ,
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ast::Cmpop::NotEq => IntPredicate::NE,
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_ if left_ty == ctx.primitives.bool => unreachable!(),
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ast::Cmpop::Lt => if use_unsigned_ops {
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IntPredicate::ULT
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} else {
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IntPredicate::SLT
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},
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ast::Cmpop::LtE => if use_unsigned_ops {
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IntPredicate::ULE
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} else {
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IntPredicate::SLE
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},
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ast::Cmpop::Gt => if use_unsigned_ops {
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IntPredicate::UGT
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} else {
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IntPredicate::SGT
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},
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ast::Cmpop::GtE => if use_unsigned_ops {
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IntPredicate::UGE
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} else {
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IntPredicate::SGE
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},
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_ => unreachable!(),
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};
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ctx.builder.build_int_compare(op, lhs, rhs, "cmp").unwrap()
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} else if left_ty == ctx.primitives.float {
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assert!(ctx.unifier.unioned(left_ty, right_ty));
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let lhs = lhs.into_float_value();
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let rhs = rhs.into_float_value();
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let op = match op {
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ast::Cmpop::Eq | ast::Cmpop::Is => inkwell::FloatPredicate::OEQ,
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ast::Cmpop::NotEq => inkwell::FloatPredicate::ONE,
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ast::Cmpop::Lt => inkwell::FloatPredicate::OLT,
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ast::Cmpop::LtE => inkwell::FloatPredicate::OLE,
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ast::Cmpop::Gt => inkwell::FloatPredicate::OGT,
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ast::Cmpop::GtE => inkwell::FloatPredicate::OGE,
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_ => unreachable!(),
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};
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ctx.builder.build_float_compare(op, lhs, rhs, "cmp").unwrap()
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} else {
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unimplemented!()
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};
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Ok(prev?.map(|v| ctx.builder.build_and(v, current, "cmp").unwrap()).or(Some(current)))
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})?;
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Ok(Some(match cmp_val {
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Some(v) => v.into(),
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None => return Ok(None),
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}))
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}
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pub fn gen_cmpop_expr<'ctx, G: CodeGenerator>(
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generator: &mut G,
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ctx: &mut CodeGenContext<'ctx, '_>,
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left: &Expr<Option<Type>>,
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ops: &[ast::Cmpop],
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comparators: &[Expr<Option<Type>>],
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) -> Result<Option<ValueEnum<'ctx>>, String> {
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let left_val = if let Some(v) = generator.gen_expr(ctx, left)? {
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v.to_basic_value_enum(ctx, generator, left.custom.unwrap())?
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} else {
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return Ok(None)
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};
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let comparators = {
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let mut new_comparators = Vec::new();
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new_comparators.reserve(comparators.len());
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for cmptor in comparators {
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if let Some(v) = generator.gen_expr(ctx, cmptor)? {
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new_comparators.push((cmptor.custom, v.to_basic_value_enum(ctx, generator, cmptor.custom.unwrap())?))
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} else {
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return Ok(None)
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}
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}
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new_comparators
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};
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gen_cmpop_expr_with_values(
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generator,
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ctx,
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(left.custom, left_val),
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ops,
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comparators.as_slice(),
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)
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}
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/// Generates code for a subscript expression on an `ndarray`.
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///
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/// * `ty` - The `Type` of the `NDArray` elements.
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@ -1758,87 +1879,7 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
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return gen_unaryop_expr(generator, ctx, op, operand)
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}
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ExprKind::Compare { left, ops, comparators } => {
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let cmp_val = izip!(chain(once(left.as_ref()), comparators.iter()), comparators.iter(), ops.iter(),)
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.fold(Ok(None), |prev: Result<Option<_>, String>, (lhs, rhs, op)| {
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let ty = ctx.unifier.get_representative(lhs.custom.unwrap());
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let current =
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if [ctx.primitives.int32, ctx.primitives.int64, ctx.primitives.uint32, ctx.primitives.uint64, ctx.primitives.bool]
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.contains(&ty)
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{
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let use_unsigned_ops = [
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ctx.primitives.uint32,
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ctx.primitives.uint64,
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].contains(&ty);
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let BasicValueEnum::IntValue(lhs) = (match generator.gen_expr(ctx, lhs)? {
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Some(v) => v.to_basic_value_enum(ctx, generator, lhs.custom.unwrap())?,
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None => return Ok(None),
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}) else { unreachable!() };
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let BasicValueEnum::IntValue(rhs) = (match generator.gen_expr(ctx, rhs)? {
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Some(v) => v.to_basic_value_enum(ctx, generator, rhs.custom.unwrap())?,
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None => return Ok(None),
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}) else { unreachable!() };
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let op = match op {
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ast::Cmpop::Eq | ast::Cmpop::Is => IntPredicate::EQ,
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ast::Cmpop::NotEq => IntPredicate::NE,
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_ if ty == ctx.primitives.bool => unreachable!(),
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ast::Cmpop::Lt => if use_unsigned_ops {
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IntPredicate::ULT
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} else {
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IntPredicate::SLT
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},
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ast::Cmpop::LtE => if use_unsigned_ops {
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IntPredicate::ULE
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} else {
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IntPredicate::SLE
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},
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ast::Cmpop::Gt => if use_unsigned_ops {
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IntPredicate::UGT
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} else {
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IntPredicate::SGT
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},
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ast::Cmpop::GtE => if use_unsigned_ops {
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IntPredicate::UGE
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} else {
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IntPredicate::SGE
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},
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_ => unreachable!(),
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};
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ctx.builder.build_int_compare(op, lhs, rhs, "cmp").unwrap()
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} else if ty == ctx.primitives.float {
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let BasicValueEnum::FloatValue(lhs) = (match generator.gen_expr(ctx, lhs)? {
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Some(v) => v.to_basic_value_enum(ctx, generator, lhs.custom.unwrap())?,
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None => return Ok(None),
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}) else { unreachable!() };
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let BasicValueEnum::FloatValue(rhs) = (match generator.gen_expr(ctx, rhs)? {
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Some(v) => v.to_basic_value_enum(ctx, generator, rhs.custom.unwrap())?,
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None => return Ok(None),
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}) else { unreachable!() };
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let op = match op {
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ast::Cmpop::Eq | ast::Cmpop::Is => inkwell::FloatPredicate::OEQ,
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ast::Cmpop::NotEq => inkwell::FloatPredicate::ONE,
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ast::Cmpop::Lt => inkwell::FloatPredicate::OLT,
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ast::Cmpop::LtE => inkwell::FloatPredicate::OLE,
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ast::Cmpop::Gt => inkwell::FloatPredicate::OGT,
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ast::Cmpop::GtE => inkwell::FloatPredicate::OGE,
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_ => unreachable!(),
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};
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ctx.builder.build_float_compare(op, lhs, rhs, "cmp").unwrap()
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} else {
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unimplemented!()
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};
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Ok(prev?.map(|v| ctx.builder.build_and(v, current, "cmp").unwrap()).or(Some(current)))
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})?;
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match cmp_val {
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Some(v) => v.into(),
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None => return Ok(None),
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}
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return gen_cmpop_expr(generator, ctx, left, &ops, &comparators)
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}
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ExprKind::IfExp { test, body, orelse } => {
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let test = match generator.gen_expr(ctx, test)? {
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