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add ability for TinyCC to compile c3c (#2459)

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* add ability for TinyCC to compile c3c

---------

Co-authored-by: Christoffer Lerno <christoffer@aegik.com>
This commit is contained in:
LowByteFox
2025-09-06 01:47:48 +02:00
committed by GitHub
parent e605a21fd3
commit 6dbd81a6f9
40 changed files with 220 additions and 186 deletions
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82
src/compiler/llvm_codegen_expr.c
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@@ -678,7 +678,7 @@ static inline void llvm_emit_subscript_addr_with_base(GenContext *c, BEValue *re
}
return;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
@@ -867,7 +867,7 @@ static void llvm_emit_member_addr(GenContext *c, BEValue *value, Decl *parent, D
llvm_value_struct_gep(c, value, value, (unsigned)index);
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
parent = found;
} while (found != member);
@@ -1508,7 +1508,7 @@ static void llvm_emit_const_init_ref(GenContext *c, BEValue *ref, ConstInitializ
llvm_store_zero(c, ref);
return;
case CONST_INIT_ARRAY_VALUE:
UNREACHABLE
UNREACHABLE_VOID
case CONST_INIT_ARRAY_FULL:
{
LLVMValueRef array_ref = ref->value;
@@ -1580,7 +1580,7 @@ static void llvm_emit_const_init_ref(GenContext *c, BEValue *ref, ConstInitializ
return;
}
}
UNREACHABLE
UNREACHABLE_VOID
}
static inline void llvm_emit_initialize_reference_vector(GenContext *c, BEValue *ref, Type *real_type, Expr **elements)
@@ -1817,7 +1817,7 @@ static void llvm_emit_initialize_designated_element(GenContext *c, BEValue *ref,
llvm_emit_initialize_designated_const_range(c, ref, offset, current, last, expr, emitted_value);
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
@@ -2070,7 +2070,7 @@ static inline void llvm_emit_initialize_reference(GenContext *c, BEValue *ref, E
llvm_emit_initialize_reference_designated(c, ref, expr);
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
@@ -2187,7 +2187,7 @@ static void llvm_emit_vec_comp(GenContext *c, BEValue *result, BEValue *lhs, BEV
res = LLVMBuildFCmp(c->builder, LLVMRealOLT, lhs->value, rhs->value, "lt");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
else
@@ -2216,7 +2216,7 @@ static void llvm_emit_vec_comp(GenContext *c, BEValue *result, BEValue *lhs, BEV
res = LLVMBuildICmp(c->builder, is_signed ? LLVMIntSLT : LLVMIntULT, lhs->value, rhs->value, "lt");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
llvm_value_set(result, res, type);
@@ -2462,7 +2462,7 @@ static void llvm_emit_unary_expr(GenContext *c, BEValue *value, Expr *expr)
FATAL_ERROR("Illegal unary op %s", expr->unary_expr.operator);
case UNARYOP_PLUS:
// Folded
UNREACHABLE
UNREACHABLE_VOID
case UNARYOP_NOT:
llvm_emit_expr(c, value, inner);
if (type_flat_is_vector(type))
@@ -2550,7 +2550,7 @@ static void llvm_emit_unary_expr(GenContext *c, BEValue *value, Expr *expr)
llvm_emit_pre_inc_dec(c, value, inner, -1, !expr->unary_expr.no_wrap);
return;
}
UNREACHABLE
UNREACHABLE_VOID
}
@@ -2677,7 +2677,7 @@ static void llvm_emit_slice_values(GenContext *c, Expr *slice, BEValue *parent_r
parent_base = parent_addr;
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
// Emit the start and end
@@ -2688,7 +2688,7 @@ static void llvm_emit_slice_values(GenContext *c, Expr *slice, BEValue *parent_r
switch (range.range_type)
{
case RANGE_SINGLE_ELEMENT:
UNREACHABLE
UNREACHABLE_VOID
case RANGE_DYNAMIC:
case RANGE_CONST_LEN:
case RANGE_CONST_END:
@@ -2725,7 +2725,7 @@ static void llvm_emit_slice_values(GenContext *c, Expr *slice, BEValue *parent_r
llvm_value_set_int(c, &len, start_type, parent_type->array.len);
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
@@ -2759,7 +2759,7 @@ static void llvm_emit_slice_values(GenContext *c, Expr *slice, BEValue *parent_r
switch (range.range_type)
{
case RANGE_SINGLE_ELEMENT:
UNREACHABLE
UNREACHABLE_VOID
case RANGE_DYNAMIC:
llvm_emit_exprid(c, &end_index, range.end);
llvm_value_rvalue(c, &end_index);
@@ -2877,7 +2877,7 @@ static void gencontext_emit_slice(GenContext *c, BEValue *be_value, Expr *expr)
start_pointer = llvm_emit_pointer_inbounds_gep_raw(c, llvm_get_pointee_type(c, parent.type), parent.value, start.value);
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
// Create a new slice type
@@ -3178,7 +3178,7 @@ void llvm_emit_int_comp_raw(GenContext *c, BEValue *result, Type *lhs_type, Type
llvm_value_set(result, llvm_const_int(c, type_bool, 1), type_bool);
return;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
lhs_signed = false;
@@ -3210,7 +3210,7 @@ void llvm_emit_int_comp_raw(GenContext *c, BEValue *result, Type *lhs_type, Type
value = LLVMBuildICmp(c->builder, LLVMIntULT, lhs_value, rhs_value, "lt");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
if (vector_type)
{
@@ -3247,7 +3247,7 @@ void llvm_emit_int_comp_raw(GenContext *c, BEValue *result, Type *lhs_type, Type
comp_value = LLVMBuildICmp(c->builder, LLVMIntSLT, lhs_value, rhs_value, "lt");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
// If right side is also signed then this is fine.
@@ -3297,7 +3297,7 @@ void llvm_emit_int_comp_raw(GenContext *c, BEValue *result, Type *lhs_type, Type
comp_value = LLVMBuildOr(c->builder, check_value, comp_value, "siui-lt");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
if (vector_type)
{
@@ -3335,7 +3335,7 @@ static void llvm_emit_ptr_comparison(GenContext *c, BEValue *result, BEValue *lh
val = LLVMBuildICmp(c->builder, LLVMIntULT, lhs_value, rhs_value, "lt");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
llvm_value_set(result, val, type_bool);
}
@@ -3369,7 +3369,7 @@ static void llvm_emit_any_comparison(GenContext *c, BEValue *result, BEValue *lh
res = LLVMBuildOr(c->builder, val, val2, "any_ne");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
llvm_value_set(result, res, type_bool);
}
@@ -3604,7 +3604,7 @@ MEMCMP:
case TYPE_WILDCARD:
case TYPE_TYPEINFO:
case TYPE_MEMBER:
UNREACHABLE
UNREACHABLE_VOID
case TYPE_BOOL:
case ALL_FLOATS:
case TYPE_SLICE:
@@ -3737,7 +3737,7 @@ static void llvm_emit_float_comp(GenContext *c, BEValue *be_value, BEValue *lhs,
val = LLVMBuildFCmp(c->builder, LLVMRealOLT, lhs_value, rhs_value, "lt");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
if (vector_type)
{
@@ -3783,7 +3783,7 @@ void llvm_emit_comp(GenContext *c, BEValue *result, BEValue *lhs, BEValue *rhs,
switch (lhs->type->type_kind)
{
case TYPE_VOID:
UNREACHABLE;
UNREACHABLE_VOID;
case TYPE_BOOL:
case ALL_INTS:
llvm_value_rvalue(c, lhs);
@@ -3807,7 +3807,7 @@ void llvm_emit_comp(GenContext *c, BEValue *result, BEValue *lhs, BEValue *rhs,
return;
case LOWERED_TYPES:
case TYPE_FLEXIBLE_ARRAY:
UNREACHABLE
UNREACHABLE_VOID
case TYPE_STRUCT:
case TYPE_UNION:
llvm_emit_struct_comparison(c, result, lhs, rhs, binary_op);
@@ -4039,7 +4039,7 @@ void llvm_emit_bitstruct_binary_op(GenContext *c, BEValue *be_value, BEValue *lh
val = LLVMBuildXor(c->builder, l, r, "xor");
break;
default:
UNREACHABLE
UNREACHABLE_VOID
}
LLVMValueRef store = llvm_emit_alloca(c, big_int, lhs->alignment, "");
llvm_store_to_ptr_raw_aligned(c, store, val, lhs->alignment);
@@ -4119,7 +4119,7 @@ void llvm_emit_binary(GenContext *c, BEValue *be_value, Expr *expr, BEValue *lhs
switch (binary_op)
{
case BINARYOP_ERROR:
UNREACHABLE
UNREACHABLE_VOID
case BINARYOP_MULT:
if (is_float)
{
@@ -4277,7 +4277,7 @@ void llvm_emit_binary(GenContext *c, BEValue *be_value, Expr *expr, BEValue *lhs
case BINARYOP_CT_OR:
case BINARYOP_CT_CONCAT:
// Handled elsewhere.
UNREACHABLE
UNREACHABLE_VOID
}
ASSERT(val);
llvm_value_set(be_value, val, expr->type);
@@ -4881,7 +4881,7 @@ static void llvm_emit_const_expr(GenContext *c, BEValue *be_value, Expr *expr)
llvm_value_set(be_value, NULL, type_void);
return;
}
UNREACHABLE
UNREACHABLE_VOID
}
@@ -4922,7 +4922,7 @@ static void llvm_expand_type_to_args(GenContext *context, Type *param_type, LLVM
case TYPE_VOID:
case TYPE_FUNC_RAW:
case TYPE_FLEXIBLE_ARRAY:
UNREACHABLE
UNREACHABLE_VOID
break;
case TYPE_BOOL:
case ALL_INTS:
@@ -5371,7 +5371,7 @@ void llvm_emit_raw_call(GenContext *c, BEValue *result_value, FunctionPrototype
{
case ABI_ARG_EXPAND:
case ABI_ARG_DIRECT_SPLIT_STRUCT_I32:
UNREACHABLE
UNREACHABLE_VOID
case ABI_ARG_IGNORE:
// 12. Basically void returns or empty structs.
// Here we know we don't have an optional or any return value that can be used.
@@ -5744,7 +5744,7 @@ INLINE void llvm_emit_call_invocation(GenContext *c, BEValue *result_value,
break;
case ABI_ARG_EXPAND:
case ABI_ARG_DIRECT_SPLIT_STRUCT_I32:
UNREACHABLE
UNREACHABLE_VOID
case ABI_ARG_DIRECT_PAIR:
case ABI_ARG_IGNORE:
case ABI_ARG_DIRECT_COERCE_INT:
@@ -5867,7 +5867,7 @@ INLINE void llvm_emit_vasplat_expr(GenContext *c, BEValue *value_ref, Expr *vasp
case TYPE_SLICE:
return;
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
@@ -6246,7 +6246,7 @@ static inline void llvm_emit_macro_block(GenContext *c, BEValue *be_value, Expr
case VARDECL_REWRAPPED:
case VARDECL_ERASE:
case VARDECL_BITMEMBER:
UNREACHABLE
UNREACHABLE_VOID
case VARDECL_PARAM_CT:
case VARDECL_PARAM_CT_TYPE:
case VARDECL_PARAM_EXPR:
@@ -6375,7 +6375,7 @@ static inline void llvm_emit_vector_initializer_list(GenContext *c, BEValue *val
break;
case DESIGNATOR_FIELD:
default:
UNREACHABLE
UNREACHABLE_VOID
}
}
}
@@ -6638,9 +6638,9 @@ static inline void llvm_emit_typeid_info(GenContext *c, BEValue *value, Expr *ex
return;
}
case TYPEID_INFO_PARENTOF:
UNREACHABLE
UNREACHABLE_VOID
}
UNREACHABLE
UNREACHABLE_VOID
}
void llvm_emit_try_unwrap_chain(GenContext *c, BEValue *value, Expr *expr)
@@ -6779,7 +6779,7 @@ static inline void llvm_emit_builtin_access(GenContext *c, BEValue *be_value, Ex
llvm_emit_type_from_any(c, be_value);
return;
}
UNREACHABLE
UNREACHABLE_VOID
}
static LLVMValueRef llvm_get_benchmark_hook_global(GenContext *c, Expr *expr)
@@ -7109,7 +7109,7 @@ void llvm_emit_expr(GenContext *c, BEValue *value, Expr *expr)
case UNRESOLVED_EXPRS:
case EXPR_SUBSCRIPT_ASSIGN:
// These are folded in the semantic analysis step.
UNREACHABLE
UNREACHABLE_VOID
case EXPR_LAMBDA:
case EXPR_COND:
case EXPR_ASM:
@@ -7119,7 +7119,7 @@ void llvm_emit_expr(GenContext *c, BEValue *value, Expr *expr)
case EXPR_NAMED_ARGUMENT:
case EXPR_BUILTIN:
case EXPR_OPERATOR_CHARS:
UNREACHABLE
UNREACHABLE_VOID
case EXPR_TWO:
llvm_emit_expr(c, value, expr->two_expr.first);
llvm_emit_expr(c, value, expr->two_expr.last);
@@ -7322,7 +7322,7 @@ void llvm_emit_expr(GenContext *c, BEValue *value, Expr *expr)
llvm_emit_bitaccess(c, value, expr);
return;
}
UNREACHABLE
UNREACHABLE_VOID
}