M-Labs/nac3
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[core] codegen/stmt: Add more casts for boolean types

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David Mak 2024-08-27 20:09:35 +08:00 committed by sb10q
parent 0cc60a3d33
commit 8c540d1033
1 changed files with 20 additions and 19 deletions
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39
nac3core/src/codegen/stmt.rs
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@ -174,6 +174,14 @@ pub fn gen_assign<'ctx, G: CodeGenerator>(
} }
} }
let val = value.to_basic_value_enum(ctx, generator, target.custom.unwrap())?; let val = value.to_basic_value_enum(ctx, generator, target.custom.unwrap())?;
// Perform i1 <-> i8 conversion as needed
let val = if ctx.unifier.unioned(target.custom.unwrap(), ctx.primitives.bool) {
generator.bool_to_i8(ctx, val.into_int_value()).into()
} else {
val
};
ctx.builder.build_store(ptr, val).unwrap(); ctx.builder.build_store(ptr, val).unwrap();
} }
}; };
@ -1665,6 +1673,18 @@ pub fn gen_return<G: CodeGenerator>(
} else { } else {
None None
}; };
// Remap boolean return type into i1
let value = value.map(|ret_val| {
let expected_ty = func.get_type().get_return_type().unwrap();
if matches!(expected_ty, BasicTypeEnum::IntType(ty) if ty.get_bit_width() == 1) {
generator.bool_to_i1(ctx, ret_val.into_int_value()).into()
} else {
ret_val
}
});
if let Some(return_target) = ctx.return_target { if let Some(return_target) = ctx.return_target {
if let Some(value) = value { if let Some(value) = value {
ctx.builder.build_store(ctx.return_buffer.unwrap(), value).unwrap(); ctx.builder.build_store(ctx.return_buffer.unwrap(), value).unwrap();
@ -1675,25 +1695,6 @@ pub fn gen_return<G: CodeGenerator>(
ctx.builder.build_store(ctx.return_buffer.unwrap(), value.unwrap()).unwrap(); ctx.builder.build_store(ctx.return_buffer.unwrap(), value.unwrap()).unwrap();
ctx.builder.build_return(None).unwrap(); ctx.builder.build_return(None).unwrap();
} else { } else {
// Remap boolean return type into i1
let value = value.map(|v| {
let expected_ty = func.get_type().get_return_type().unwrap();
let ret_val = v.as_basic_value_enum();
if expected_ty.is_int_type() && ret_val.is_int_value() {
let ret_type = expected_ty.into_int_type();
let ret_val = ret_val.into_int_value();
if ret_type.get_bit_width() == 1 && ret_val.get_type().get_bit_width() != 1 {
generator.bool_to_i1(ctx, ret_val)
} else {
ret_val
}
.into()
} else {
ret_val
}
});
let value = value.as_ref().map(|v| v as &dyn BasicValue); let value = value.as_ref().map(|v| v as &dyn BasicValue);
ctx.builder.build_return(value).unwrap(); ctx.builder.build_return(value).unwrap();
} }