class CodeGenModule;
class CGBlockInfo;
+// Flags stored in __block variables.
+enum BlockByrefFlags {
+ BLOCK_BYREF_HAS_COPY_DISPOSE = (1 << 25), // compiler
+ BLOCK_BYREF_LAYOUT_MASK = (0xF << 28), // compiler
+ BLOCK_BYREF_LAYOUT_EXTENDED = (1 << 28),
+ BLOCK_BYREF_LAYOUT_NON_OBJECT = (2 << 28),
+ BLOCK_BYREF_LAYOUT_STRONG = (3 << 28),
+ BLOCK_BYREF_LAYOUT_BYREF = (4 << 28),
+ BLOCK_BYREF_LAYOUT_WEAK = (5 << 28),
+ BLOCK_BYREF_LAYOUT_UNRETAINED = (6 << 28)
+};
+
enum BlockLiteralFlags {
BLOCK_HAS_COPY_DISPOSE = (1 << 25),
BLOCK_HAS_CXX_OBJ = (1 << 26),