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Struct zero
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This commit is contained in:
David Gonzalez Martin 2025-04-13 15:37:09 -06:00
parent dcb0bbf146
commit 48aedc924c
2 changed files with 20 additions and 3 deletions
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22
src/bootstrap.zig
View File

@ -5762,14 +5762,23 @@ pub const Module = struct {
},
.structure => |structure| switch (aggregate_initialization.is_constant) {
true => blk: {
_ = structure;
var constant_buffer: [64]*llvm.Constant = undefined;
const constants = constant_buffer[0..aggregate_initialization.values.len];
const constants = constant_buffer[0..structure.fields.len];
_ = &constant_buffer;
for (aggregate_initialization.values, constants) |field_value, *constant| {
for (aggregate_initialization.values, constants[0..aggregate_initialization.values.len]) |field_value, *constant| {
module.emit_value(function, field_value);
constant.* = field_value.llvm.?.to_constant();
}
if (aggregate_initialization.zero) {
if (aggregate_initialization.values.len == structure.fields.len) {
module.report_error();
}
for (constants[aggregate_initialization.values.len..], structure.fields[aggregate_initialization.values.len..]) |*constant, *field| {
constant.* = field.type.resolve(module).handle.get_zero();
}
}
const constant_struct = value_type.resolve(module).handle.to_struct().get_constant(constants);
break :blk constant_struct.to_value();
},
@ -6198,6 +6207,10 @@ pub const Module = struct {
};
module.emit_assignment(function, destination_value, initialization_value);
}
if (aggregate_initialization.zero) {
@trap();
}
},
},
.string_literal => |string_literal| {
@ -6368,6 +6381,9 @@ pub const Module = struct {
else => @trap(),
}
},
.zero => {
_ = module.llvm.builder.create_memset(left.llvm.?, module.integer_type(8, false).resolve(module).handle.get_zero().to_value(), module.integer_type(64, false).resolve(module).handle.to_integer().get_constant(value_type.get_byte_size(), 0).to_value(), pointer_type.bb.pointer.alignment);
},
else => @trap(),
},
.complex => @trap(),

1
src/main.zig
View File

@ -234,4 +234,5 @@ const names = &[_][]const u8{
"struct",
"struct_u64_u64",
"struct_varargs",
"struct_zero",
};