diff options
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index 43b46e2cae7..5c8e5a6fd0f 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -1004,20 +1004,6 @@ rest_of_handle_jump_bypass (tree decl, rtx insns) #endif } -/* Try to identify useless null pointer tests and delete them. */ -static void -rest_of_handle_null_pointer (tree decl, rtx insns) -{ - open_dump_file (DFI_null, decl); - if (dump_file) - dump_flow_info (dump_file); - - if (delete_null_pointer_checks (insns)) - cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP); - - close_dump_file (DFI_null, print_rtl_with_bb, insns); -} - /* Try combining insns through substitution. */ static void rest_of_handle_combine (tree decl, rtx insns) @@ -1120,19 +1106,6 @@ rest_of_handle_cse (tree decl, rtx insns) if (tem || optimize > 1) cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP); - /* Try to identify useless null pointer tests and delete them. */ - if (flag_delete_null_pointer_checks) - { - timevar_push (TV_JUMP); - - if (delete_null_pointer_checks (insns)) - cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP); - timevar_pop (TV_JUMP); - } - - /* The second pass of jump optimization is likely to have - removed a bunch more instructions. */ - renumber_insns (dump_file); timevar_pop (TV_CSE); close_dump_file (DFI_cse, print_rtl_with_bb, insns); @@ -1547,9 +1520,6 @@ rest_of_compilation (tree decl) if (optimize) cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP); - if (flag_delete_null_pointer_checks) - rest_of_handle_null_pointer (decl, insns); - /* Jump optimization, and the removal of NULL pointer checks, may have reduced the number of instructions substantially. CSE, and future passes, allocate arrays whose dimensions involve the |
