diff options
Diffstat (limited to 'gcc/df.h')
| -rw-r--r-- | gcc/df.h | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -52,7 +52,6 @@ struct df_link; #define DF_NOTE 7 /* REG_DEF and REG_UNUSED notes. */ #define DF_LAST_PROBLEM_PLUS1 (DF_NOTE + 1) -#define DF_FIRST_OPTIONAL_PROBLEM DF_RU /* Dataflow direction. */ enum df_flow_dir @@ -249,8 +248,13 @@ struct df_problem { df_verify_solution_start verify_start_fun; df_verify_solution_end verify_end_fun; struct df_problem *dependent_problem; + /* The timevar id associated with this pass. */ unsigned int tv_id; + + /* True if the df_set_blocks should null out the basic block info if + this block drops out of df->blocks_to_analyze. */ + bool free_blocks_on_set_blocks; }; @@ -293,6 +297,11 @@ struct dataflow solutions. Note that this bit is always true for all problems except lr and live. */ bool solutions_dirty; + + /* If true, this pass is deleted by df_finish_pass. This is never + true for DF_SCAN and DF_LR. It is true for DF_LIVE if optimize > + 1. It is always true for the other problems. */ + bool optional_p; }; @@ -837,10 +846,8 @@ extern void df_verify (void); #ifdef DF_DEBUG_CFG extern void df_check_cfg_clean (void); #endif -extern struct df_ref *df_bb_regno_last_use_find (basic_block, unsigned int); extern struct df_ref *df_bb_regno_first_def_find (basic_block, unsigned int); extern struct df_ref *df_bb_regno_last_def_find (basic_block, unsigned int); -extern bool df_insn_regno_def_p (rtx, unsigned int); extern struct df_ref *df_find_def (rtx, rtx); extern bool df_reg_defined (rtx, rtx); extern struct df_ref *df_find_use (rtx, rtx); @@ -882,6 +889,7 @@ extern void df_lr_add_problem (void); extern void df_lr_verify_transfer_functions (void); extern void df_live_verify_transfer_functions (void); extern void df_live_add_problem (void); +extern void df_live_set_all_dirty (void); extern void df_urec_add_problem (void); extern void df_chain_add_problem (enum df_chain_flags); extern void df_note_add_problem (void); |