forked from M-Labs/nac3
core/toplevel/builtins: Add support for len() on tuples
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9b988647ed
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12c4e1cf48
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@ -32,6 +32,7 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
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ctx: &mut CodeGenContext<'ctx, '_>,
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n: (Type, BasicValueEnum<'ctx>),
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) -> Result<IntValue<'ctx>, String> {
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let llvm_i32 = ctx.ctx.i32_type();
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let range_ty = ctx.primitives.range;
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let (arg_ty, arg) = n;
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@ -41,24 +42,19 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
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calculate_len_for_slice_range(generator, ctx, start, end, step)
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} else {
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match &*ctx.unifier.get_ty_immutable(arg_ty) {
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TypeEnum::TTuple { ty, .. } => llvm_i32.const_int(ty.len() as u64, false),
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TypeEnum::TObj { obj_id, .. } if *obj_id == PrimDef::List.id() => {
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let int32 = ctx.ctx.i32_type();
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let zero = int32.const_zero();
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let zero = llvm_i32.const_zero();
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let len = ctx
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.build_gep_and_load(
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arg.into_pointer_value(),
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&[zero, int32.const_int(1, false)],
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&[zero, llvm_i32.const_int(1, false)],
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None,
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)
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.into_int_value();
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if len.get_type().get_bit_width() == 32 {
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len
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} else {
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ctx.builder.build_int_truncate(len, int32, "len2i32").unwrap()
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}
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ctx.builder.build_int_truncate_or_bit_cast(len, llvm_i32, "len").unwrap()
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}
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TypeEnum::TObj { obj_id, .. } if *obj_id == PrimDef::NDArray.id() => {
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let llvm_i32 = ctx.ctx.i32_type();
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let llvm_usize = generator.get_size_type(ctx.ctx);
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let arg = NDArrayValue::from_ptr_val(arg.into_pointer_value(), llvm_usize, None);
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@ -84,11 +80,7 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
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)
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};
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if len.get_type().get_bit_width() == 32 {
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len
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} else {
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ctx.builder.build_int_truncate(len, llvm_i32, "len").unwrap()
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}
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ctx.builder.build_int_truncate_or_bit_cast(len, llvm_i32, "len").unwrap()
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}
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_ => unreachable!(),
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}
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