diff options
Diffstat (limited to 'gcc/ipa-inline.h')
| -rw-r--r-- | gcc/ipa-inline.h | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/gcc/ipa-inline.h b/gcc/ipa-inline.h index e9a7db21043..58bcdd968b9 100644 --- a/gcc/ipa-inline.h +++ b/gcc/ipa-inline.h @@ -23,9 +23,10 @@ along with GCC; see the file COPYING3. If not see struct inline_summary { + /* Information about the function body itself. */ + /* Estimated stack frame consumption by the function. */ HOST_WIDE_INT estimated_self_stack_size; - /* Size of the function body. */ int self_size; /* How many instructions are likely going to disappear after inlining. */ @@ -34,6 +35,29 @@ struct inline_summary int self_time; /* How much time is going to be saved by inlining. */ int time_inlining_benefit; + + /* False when there something makes inlining impossible (such as va_arg). */ + unsigned inlinable : 1; + /* False when there something makes versioning impossible. + Currently computed and used only by ipa-cp. */ + unsigned versionable : 1; + /* True when function should be inlined independently on its size. */ + unsigned disregard_inline_limits : 1; + + /* Information about function that will result after applying all the + inline decisions present in the callgraph. Generally kept up to + date only for functions that are not inline clones. */ + + /* Estimated stack frame consumption by the function. */ + HOST_WIDE_INT estimated_stack_size; + /* Expected offset of the stack frame of inlined function. */ + HOST_WIDE_INT stack_frame_offset; + /* Estimated size of the function after inlining. */ + int time; + int size; + /* Cached estimated growth after inlining. + INT_MIN if not computed. */ + int estimated_growth; }; typedef struct inline_summary inline_summary_t; @@ -47,6 +71,7 @@ void inline_generate_summary (void); void inline_read_summary (void); void inline_write_summary (cgraph_node_set, varpool_node_set); void inline_free_summary (void); +void initialize_inline_failed (struct cgraph_edge *); int estimate_time_after_inlining (struct cgraph_node *, struct cgraph_edge *); int estimate_size_after_inlining (struct cgraph_node *, struct cgraph_edge *); int estimate_growth (struct cgraph_node *); @@ -63,10 +88,10 @@ static inline int estimate_edge_growth (struct cgraph_edge *edge) { int call_stmt_size; + struct inline_summary *info = inline_summary (edge->callee); call_stmt_size = edge->call_stmt_size; gcc_checking_assert (call_stmt_size); - return (edge->callee->global.size - - inline_summary (edge->callee)->size_inlining_benefit + return (info->size + - info->size_inlining_benefit - call_stmt_size); } - |