don't emit dead initializers

[cparser] / entity_t.h

diff --git a/entity_t.h b/entity_t.h
index 03cfd7a..b61be49 100644 (file)
--- a/entity_t.h
+++ b/entity_t.h
@@ -45,9 +45,7 @@ typedef unsigned char entity_kind_t;
 typedef enum namespace_tag_t {
        NAMESPACE_INVALID,
        NAMESPACE_NORMAL,
-       NAMESPACE_STRUCT,
-       NAMESPACE_UNION,
-       NAMESPACE_ENUM,
+       NAMESPACE_TAG,
        NAMESPACE_LABEL
 } namespace_tag_t;
 typedef unsigned char entity_namespace_t;
@@ -129,7 +127,6 @@ struct compound_t {
        scope_t           members;
        decl_modifiers_t  modifiers;
        bool              complete            : 1;
-       bool              has_flexible_member : 1;
 
        /* ast2firm info */
        ir_type          *irtype;
@@ -232,17 +229,74 @@ struct parameter_t {
        } v;
 };
 
+/**
+ * GNU builtin or MS intrinsic functions.
+ */
+typedef enum builtin_kind_t {
+       bk_none = 0,                   /**< no builtin */
+       bk_gnu_builtin_alloca,         /**< GNU __builtin_alloca */
+       bk_gnu_builtin_huge_val,       /**< GNU __builtin_huge_val */
+       bk_gnu_builtin_inf,            /**< GNU __builtin_inf */
+       bk_gnu_builtin_inff,           /**< GNU __builtin_inff */
+       bk_gnu_builtin_infl,           /**< GNU __builtin_infl */
+       bk_gnu_builtin_nan,            /**< GNU __builtin_nan */
+       bk_gnu_builtin_nanf,           /**< GNU __builtin_nanf */
+       bk_gnu_builtin_nanl,           /**< GNU __builtin_nanl */
+       bk_gnu_builtin_va_end,         /**< GNU __builtin_va_end */
+       bk_gnu_builtin_expect,         /**< GNU __builtin_expect */
+       bk_gnu_builtin_return_address, /**< GNU __builtin_return_address */
+       bk_gnu_builtin_frame_address,  /**< GNU __builtin_frame_address */
+       bk_gnu_builtin_ffs,            /**< GNU __builtin_ffs */
+       bk_gnu_builtin_clz,            /**< GNU __builtin_clz */
+       bk_gnu_builtin_ctz,            /**< GNU __builtin_ctz */
+       bk_gnu_builtin_popcount,       /**< GNU __builtin_popcount */
+       bk_gnu_builtin_parity,         /**< GNU __builtin_parity */
+       bk_gnu_builtin_prefetch,       /**< GNU __builtin_prefetch */
+       bk_gnu_builtin_trap,           /**< GNU __builtin_trap */
+
+       bk_ms_rotl,                    /**< MS _rotl */
+       bk_ms_rotr,                    /**< MS _rotr */
+       bk_ms_rotl64,                  /**< MS _rotl64 */
+       bk_ms_rotr64,                  /**< MS _rotr64 */
+       bk_ms_byteswap_ushort,         /**< MS _byteswap_ushort */
+       bk_ms_byteswap_ulong,          /**< MS _byteswap_ulong */
+       bk_ms_byteswap_uint64,         /**< MS _byteswap_uint64 */
+
+       bk_ms__debugbreak,             /**< MS __debugbreak */
+       bk_ms_ReturnAddress,           /**< MS _ReturnAddress */
+       bk_ms_AddressOfReturnAddress,  /**< MS _AddressOfReturnAddress */
+       bk_ms__popcount,               /**< MS __popcount */
+       bk_ms_enable,                  /**< MS _enable */
+       bk_ms_disable,                 /**< MS _disable */
+       bk_ms__inbyte,                 /**< MS __inbyte */
+       bk_ms__inword,                 /**< MS __inword */
+       bk_ms__indword,                /**< MS __indword */
+       bk_ms__outbyte,                /**< MS __outbyte */
+       bk_ms__outword,                /**< MS __outword */
+       bk_ms__outdword,               /**< MS __outdword */
+       bk_ms__ud2,                    /**< MS __ud2 */
+       bk_ms_BitScanForward,          /**< MS _BitScanForward */
+       bk_ms_BitScanReverse,          /**< MS _BitScanReverse */
+       bk_ms_InterlockedExchange,     /**< MS _InterlockedExchange */
+       bk_ms_InterlockedExchange64,   /**< MS _InterlockedExchange64 */
+       bk_ms__readeflags,             /**< MS __readflags */
+       bk_ms__writeeflags,            /**< MS __writeflags */
+} builtin_kind_t;
+
 struct function_t {
        declaration_t  base;
        bool           is_inline     : 1;
        bool           need_closure  : 1;  /**< Inner function needs closure. */
        bool           goto_to_outer : 1;  /**< Inner function has goto to outer function. */
 
+       builtin_kind_t btk;
        scope_t        parameters;
        statement_t   *statement;
 
        /* ast2firm info */
        ir_entity     *entity;
+       ir_node       *static_link;        /**< if need_closure is set, the node representing
+                                                                                   the static link. */
 };
 
 union entity_t {