+#include "varray.h"
+#include "pointer-set.h"
+
+
+/* Data required for function body duplication. */
+
+typedef struct copy_body_data
+{
+ /* FUNCTION_DECL for function being inlined, or in general the
+ source function providing the original trees. */
+ tree src_fn;
+
+ /* FUNCTION_DECL for function being inlined into, or in general
+ the destination function receiving the new trees. */
+ tree dst_fn;
+
+ /* Callgraph node of the source function. */
+ struct cgraph_node *src_node;
+
+ /* Callgraph node of the destination function. */
+ struct cgraph_node *dst_node;
+
+ /* struct function for function being inlined. Usually this is the same
+ as DECL_STRUCT_FUNCTION (src_fn), but can be different if saved_cfg
+ and saved_eh are in use. */
+ struct function *src_cfun;
+
+ /* The VAR_DECL for the return value. */
+ tree retvar;
+
+ /* The map from local declarations in the inlined function to
+ equivalents in the function into which it is being inlined. */
+ struct pointer_map_t *decl_map;
+
+ /* Create a new decl to replace DECL in the destination function. */
+ tree (*copy_decl) (tree, struct copy_body_data *);
+
+ /* Current BLOCK. */
+ tree block;
+
+ /* GIMPLE_CALL if va arg parameter packs should be expanded or NULL
+ is not. */
+ gimple gimple_call;
+
+ /* Exception region the inlined call lie in. */
+ int eh_region;
+
+ /* Take region number in the function being copied, add this value and
+ get eh region number of the duplicate in the function we inline into. */
+ int eh_region_offset;
+
+ /* We use the same mechanism do all sorts of different things. Rather
+ than enumerating the different cases, we categorize the behavior
+ in the various situations. */
+
+ /* Indicate the desired behavior wrt call graph edges. We can either
+ duplicate the edge (inlining, cloning), move the edge (versioning,
+ parallelization), or move the edges of the clones (saving). */
+ enum copy_body_cge_which {
+ CB_CGE_DUPLICATE,
+ CB_CGE_MOVE,
+ CB_CGE_MOVE_CLONES
+ } transform_call_graph_edges;
+
+ /* True if a new CFG should be created. False for inlining, true for
+ everything else. */
+ bool transform_new_cfg;
+
+ /* True if RETURN_EXPRs should be transformed to just the contained
+ MODIFY_EXPR. The branch semantics of the return will be handled
+ by manipulating the CFG rather than a statement. */
+ bool transform_return_to_modify;
+
+ /* True if this statement will need to be regimplified. */
+ bool regimplify;
+
+ /* > 0 if we are remapping a type currently. */
+ int remapping_type_depth;
+
+ /* A function to be called when duplicating BLOCK nodes. */
+ void (*transform_lang_insert_block) (tree);
+
+ /* Statements that might be possibly folded. */
+ struct pointer_set_t *statements_to_fold;
+
+ /* Entry basic block to currently copied body. */
+ struct basic_block_def *entry_bb;
+} copy_body_data;
+
+/* Weights of constructions for estimate_num_insns. */
+
+typedef struct eni_weights_d
+{
+ /* Cost per call. */
+ unsigned call_cost;
+
+ /* Cost per call to a target specific builtin */
+ unsigned target_builtin_call_cost;
+
+ /* Cost of "expensive" div and mod operations. */
+ unsigned div_mod_cost;
+
+ /* Cost for omp construct. */
+ unsigned omp_cost;
+} eni_weights;
+
+/* Weights that estimate_num_insns uses for heuristics in inlining. */
+
+extern eni_weights eni_inlining_weights;
+
+/* Weights that estimate_num_insns uses to estimate the size of the
+ produced code. */
+
+extern eni_weights eni_size_weights;
+
+/* Weights that estimate_num_insns uses to estimate the time necessary
+ to execute the produced code. */
+
+extern eni_weights eni_time_weights;
+
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