# include "irloop.h"
# include "array.h"
-# include "exc.h"
-
#include "set.h"
#include "entity_t.h"
#include "type_t.h"
typedef struct {
cond_kind kind; /**< flavor of Cond */
long default_proj; /**< for optimization: biggest Proj number, i.e. the one
- used for default. */
+ used for default. */
} cond_attr;
/** Const attributes */
entity *ent; /**< entity to select */
} sel_attr;
+/** Exception attributes */
typedef struct {
- type *cld_tp; /**< type of called procedure */
+ op_pin_state pin_state; /**< the pin state for operations that might generate a exception:
+ If it's know that no exception will be generated, could be set to
+ op_pin_state_floats. */
#if PRECISE_EXC_CONTEXT
- struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions */
+ struct ir_node **frag_arr; /**< For Phi node construction in case of exception */
#endif
- entity ** callee_arr; /**< result of callee analysis */
+} except_attr;
+
+typedef struct {
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ type *cld_tp; /**< type of called procedure */
+ entity ** callee_arr; /**< result of callee analysis */
} call_attr;
/** Alloc attributes */
typedef struct {
- type *type; /**< Type of the allocated object. */
- where_alloc where; /**< stack, heap or other managed part of memory */
-#if PRECISE_EXC_CONTEXT
- struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions */
-#endif
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ type *type; /**< Type of the allocated object. */
+ where_alloc where; /**< stack, heap or other managed part of memory */
} alloc_attr;
/** InstOf attributes */
/** Load attributes */
typedef struct {
- ir_mode *load_mode; /**< the mode of this Load operation */
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ ir_mode *load_mode; /**< the mode of this Load operation */
ent_volatility volatility; /**< the volatility of a Load/Store operation */
-#if PRECISE_EXC_CONTEXT
- struct ir_node **frag_arr; /**< For Phi node construction in case of exception */
-#endif
} load_attr;
/** Store attributes */
typedef struct {
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
ent_volatility volatility; /**< the volatility of a Store operation */
-#if PRECISE_EXC_CONTEXT
- struct ir_node **frag_arr; /**< For Phi node construction in case of exception */
-#endif
} store_attr;
-/** Exception attributes */
-typedef struct {
- struct ir_node **frag_arr; /**< For Phi node construction in case of exception */
-} except_attr;
-
typedef pn_Cmp confirm_attr; /** Attribute to hold compare operation */
/** Some irnodes just have one attribute, these are stored here,
confirm_attr confirm_cmp; /**< For Confirm: compare operation */
filter_attr filter; /**< For Filter */
end_attr end; /**< For EndReg, EndExcept */
-#if PRECISE_EXC_CONTEXT
except_attr except; /**< For Phi node construction in case of exceptions */
-#endif
} attr;
struct ir_node **in; /**< array with predecessors / operands */
void *link; /**< to attach additional information to the node, e.g.
used while construction to link Phi0 nodes and
- during optimization to link to nodes that
- shall replace a node. */
+ during optimization to link to nodes that
+ shall replace a node. */
/* ------- Fields for optimizations / analysis information ------- */
struct ir_node **out; /**< array of out edges */
struct dbg_info* dbi; /**< A pointer to information for debug support. */
/* ------- For debugging ------- */
#ifdef DEBUG_libfirm
- int out_valid; /** < indicate that out edges are valid */
+ int out_valid; /** < indicate that out edges are valid */
int node_nr; /**< a unique node number for each node to make output
- readable. */
+ readable. */
#endif
/* ------- For analyses -------- */
ir_loop *loop; /**< the loop the node is in. Access routines in irloop.h */
Must be last field of struct ir_node. */
};
+
/** Copies all attributes stored in the old node to the new node.
Assumes both have the same opcode and sufficient size. */
void
return node->link;
}
+/**
+ * Returns the pinned state of a node.
+ * Intern version of libFirm.
+ */
+static INLINE op_pin_state
+__get_irn_pinned(const ir_node *node) {
+ op_pin_state state = __get_op_pinned(__get_irn_op(node));
+ if (state == op_pin_state_exc_pinned)
+ return get_opt_fragile_ops() ? node->attr.except.pin_state : op_pin_state_pinned;
+ return state;
+}
+
/* this section MUST contain all inline functions */
#define is_ir_node(thing) __is_ir_node(thing)
#define get_irn_intra_arity(node) __get_irn_intra_arity(node)