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Updates to bitstruct

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This commit is contained in:
Christoffer Lerno
2021-11-08 22:01:21 +01:00
committed by Christoffer Lerno
parent 15f902579b
commit 4662133893
12 changed files with 301 additions and 34 deletions
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33
src/compiler/llvm_codegen_expr.c
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@@ -601,6 +601,36 @@ static void gencontext_emit_member_addr(GenContext *c, BEValue *value, Decl *par
} while (found != member);
}
static void llvm_emit_bitstruct_member(GenContext *c, BEValue *value, Decl *parent, Decl *member)
{
assert(member->resolve_status == RESOLVE_DONE);
Decl *found = NULL;
do
{
int index = find_member_index(parent, member);
assert(index > -1);
found = parent->strukt.members[index];
switch (parent->type->canonical->type_kind)
{
case TYPE_UNION:
llvm_value_addr(c, value);
llvm_value_set_address_align(value,
llvm_emit_bitcast(c, value->value, type_get_ptr(found->type)),
found->type,
value->alignment);
break;
case TYPE_STRUCT:
llvm_value_struct_gep(c, value, value, index);
break;
case TYPE_BITSTRUCT:
break;
default:
UNREACHABLE
}
parent = found;
} while (found != member);
}
static LLVMValueRef llvm_emit_bswap(GenContext *c, LLVMValueRef value)
{
if (LLVMIsConstant(value))
@@ -937,8 +967,10 @@ static inline void llvm_emit_bitaccess(GenContext *c, BEValue *be_value, Expr *e
Expr *parent = expr->access_expr.parent;
llvm_emit_expr(c, be_value, parent);
Decl *member = expr->access_expr.ref;
assert(be_value && be_value->type);
llvm_emit_bitstruct_member(c, be_value, type_flatten(parent->type)->decl, member);
llvm_extract_bitvalue(c, be_value, parent, expr->access_expr.ref);
}
@@ -4502,6 +4534,7 @@ static inline void llvm_emit_macro_block(GenContext *context, BEValue *be_value,
case VARDECL_UNWRAPPED:
case VARDECL_REWRAPPED:
case VARDECL_ERASE:
case VARDECL_BITMEMBER:
UNREACHABLE
case VARDECL_PARAM_REF:
{