diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-inline.c | 8 |
2 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fc08283..f73965d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2012-05-22 Richard Guenther <rguenther@suse.de> + PR middle-end/53437 + * tree-inline.c (setup_one_parameter): Create a dummy init + statement for unused parameters when not optimizing. + +2012-05-22 Richard Guenther <rguenther@suse.de> + * tree-flow.h (add_referenced_var_1): Declare. (add_referenced_var): Define. * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 060b6e5..8c116f6 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -2701,7 +2701,8 @@ setup_one_parameter (copy_body_data *id, tree p, tree value, tree fn, STRIP_USELESS_TYPE_CONVERSION (rhs); /* If we are in SSA form properly remap the default definition - or omit the initialization if the parameter is unused. */ + or assign to a dummy SSA name if the parameter is unused and + we are not optimizing. */ if (gimple_in_ssa_p (cfun) && is_gimple_reg (p)) { if (def) @@ -2711,6 +2712,11 @@ setup_one_parameter (copy_body_data *id, tree p, tree value, tree fn, SSA_NAME_IS_DEFAULT_DEF (def) = 0; set_default_def (var, NULL); } + else if (!optimize) + { + def = make_ssa_name (var, NULL); + init_stmt = gimple_build_assign (def, rhs); + } } else init_stmt = gimple_build_assign (var, rhs); |