diff options
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 1ec24649204..a344384b426 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -390,7 +390,6 @@ init_alias_info (void) EXECUTE_IF_SET_IN_BITMAP (call_clobbered_vars, 0, i, { tree var = referenced_var (i); - DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL (var) = 0; /* Variables that are intrinsically call-clobbered (globals, local statics, etc) will not be marked by the aliasing @@ -1329,7 +1328,7 @@ setup_pointers_and_addressables (struct alias_info *ai) { if (!bitmap_bit_p (ai->addresses_needed, v_ann->uid) && v_ann->mem_tag_kind == NOT_A_TAG - && !needs_to_live_in_memory (var)) + && !is_global_var (var)) { /* The address of VAR is not needed, remove the addressable bit, so that it can be optimized as a @@ -1391,7 +1390,7 @@ setup_pointers_and_addressables (struct alias_info *ai) /* If pointer VAR is a global variable or a PARM_DECL, then its memory tag should be considered a global variable. */ - if (TREE_CODE (var) == PARM_DECL || needs_to_live_in_memory (var)) + if (TREE_CODE (var) == PARM_DECL || is_global_var (var)) mark_call_clobbered (tag); /* All the dereferences of pointer VAR count as @@ -2105,18 +2104,16 @@ get_nmt_for (tree ptr) tree tag = pi->name_mem_tag; if (tag == NULL_TREE) - { - tag = create_memory_tag (TREE_TYPE (TREE_TYPE (ptr)), false); + tag = create_memory_tag (TREE_TYPE (TREE_TYPE (ptr)), false); - /* If PTR is a PARM_DECL, its memory tag should be considered a - global variable. */ - if (TREE_CODE (SSA_NAME_VAR (ptr)) == PARM_DECL) - mark_call_clobbered (tag); + /* If PTR is a PARM_DECL, its memory tag should be considered a global + variable. */ + if (TREE_CODE (SSA_NAME_VAR (ptr)) == PARM_DECL) + mark_call_clobbered (tag); - /* Similarly, if PTR points to malloc, then TAG is a global. */ - if (pi->pt_malloc) - mark_call_clobbered (tag); - } + /* Similarly, if PTR points to malloc, then TAG is a global. */ + if (pi->pt_malloc) + mark_call_clobbered (tag); return tag; } |