diff options
Diffstat (limited to 'gcc/tree-nrv.c')
| -rw-r--r-- | gcc/tree-nrv.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/tree-nrv.c b/gcc/tree-nrv.c index 761e6a0..54b964f 100644 --- a/gcc/tree-nrv.c +++ b/gcc/tree-nrv.c @@ -101,7 +101,7 @@ finalize_nrv_r (tree *tp, int *walk_subtrees, void *data) then we could either have the languages register the optimization or we could change the gating function to check the current language. */ -static void +static unsigned int tree_nrv (void) { tree result = DECL_RESULT (current_function_decl); @@ -114,7 +114,7 @@ tree_nrv (void) /* If this function does not return an aggregate type in memory, then there is nothing to do. */ if (!aggregate_value_p (result, current_function_decl)) - return; + return 0; /* Look through each block for assignments to the RESULT_DECL. */ FOR_EACH_BB (bb) @@ -146,7 +146,7 @@ tree_nrv (void) than previous return statements, then we can not perform NRV optimizations. */ if (found != ret_expr) - return; + return 0; } else found = ret_expr; @@ -161,13 +161,13 @@ tree_nrv (void) || DECL_ALIGN (found) > DECL_ALIGN (result) || !lang_hooks.types_compatible_p (TREE_TYPE (found), result_type)) - return; + return 0; } } } if (!found) - return; + return 0; /* If dumping details, then note once and only the NRV replacement. */ if (dump_file && (dump_flags & TDF_DETAILS)) @@ -211,6 +211,7 @@ tree_nrv (void) /* FOUND is no longer used. Ensure it gets removed. */ var_ann (found)->used = 0; + return 0; } struct tree_opt_pass pass_nrv = @@ -242,7 +243,7 @@ struct tree_opt_pass pass_nrv = escaped prior to the call. If it has, modifications to the local variable will produce visible changes elsewhere, as in PR c++/19317. */ -static void +static unsigned int execute_return_slot_opt (void) { basic_block bb; @@ -287,6 +288,7 @@ execute_return_slot_opt (void) } } } + return 0; } struct tree_opt_pass pass_return_slot = |