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fix @intToEnum on extern enums

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Vexu 2020-02-26 01:19:22 +02:00 committed by Andrew Kelley
parent d505ea6caf
commit 215797749d
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1 changed files with 13 additions and 1 deletions
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src/codegen.cpp
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@ -3329,9 +3329,21 @@ static LLVMValueRef ir_render_int_to_enum(CodeGen *g, IrExecutableGen *executabl
LLVMBasicBlockRef ok_value_block = LLVMAppendBasicBlock(g->cur_fn_val, "OkValue");
size_t field_count = wanted_type->data.enumeration.src_field_count;
LLVMValueRef switch_instr = LLVMBuildSwitch(g->builder, tag_int_value, bad_value_block, field_count);
HashMap<BigInt, Buf *, bigint_hash, bigint_eql> occupied_tag_values = {};
occupied_tag_values.init(field_count);
for (size_t field_i = 0; field_i < field_count; field_i += 1) {
TypeEnumField *type_enum_field = &wanted_type->data.enumeration.fields[field_i];
Buf *name = type_enum_field->name;
auto entry = occupied_tag_values.put_unique(type_enum_field->value, name);
if (entry != nullptr) {
continue;
}
LLVMValueRef this_tag_int_value = bigint_to_llvm_const(get_llvm_type(g, tag_int_type),
&wanted_type->data.enumeration.fields[field_i].value);
&type_enum_field->value);
LLVMAddCase(switch_instr, this_tag_int_value, ok_value_block);
}
LLVMPositionBuilderAtEnd(g->builder, bad_value_block);