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| author | Alexandre Oliva <aoliva@redhat.com> | 2011-02-02 06:18:01 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2011-02-02 06:18:01 +0000 |
| commit | 83d707929ba5e7da8f22032216b50bad18837152 (patch) | |
| tree | ccc3a4712d7c10046df4c3604d1167d5dafaa720 /gcc/tree-ssa-live.c | |
| parent | aaa2ac931e8979147eeac7fd29d548bcb1ddef99 (diff) | |
| download | gcc-83d707929ba5e7da8f22032216b50bad18837152.zip gcc-83d707929ba5e7da8f22032216b50bad18837152.tar.gz gcc-83d707929ba5e7da8f22032216b50bad18837152.tar.bz2 | |
re PR debug/47106 (-fcompare-debug failure (length) with -fpartial-inlining -flto -fconserve-stack)
PR debug/47106
PR debug/47402
* tree-flow-inline.h (clear_is_used, is_used_p): New.
* cfgexpand.c (account_used_vars_for_block): Use them.
* tree-nrv.c (tree_nrv): Likewise.
* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
(dump_scope_block): Likewise.
(remove_unused_locals): Likewise.
From-SVN: r169515
Diffstat (limited to 'gcc/tree-ssa-live.c')
| -rw-r--r-- | gcc/tree-ssa-live.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index 4880a1a..d917bb9 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -468,7 +468,7 @@ remove_unused_scope_block_p (tree scope) Exception are the scope blocks not containing any instructions at all so user can't get into the scopes at first place. */ else if ((ann = var_ann (*t)) != NULL - && ann->used) + && is_used_p (*t)) unused = false; else if (TREE_CODE (*t) == LABEL_DECL && TREE_USED (*t)) /* For labels that are still used in the IL, the decision to @@ -633,13 +633,11 @@ dump_scope_block (FILE *file, int indent, tree scope, int flags) for (var = BLOCK_VARS (scope); var; var = DECL_CHAIN (var)) { bool used = false; - var_ann_t ann; - if ((ann = var_ann (var)) - && ann->used) - used = true; + if (var_ann (var)) + used = is_used_p (var); - fprintf (file, "%*s",indent, ""); + fprintf (file, "%*s", indent, ""); print_generic_decl (file, var, flags); fprintf (file, "%s\n", used ? "" : " (unused)"); } @@ -708,7 +706,7 @@ remove_unused_locals (void) /* Assume all locals are unused. */ FOR_EACH_REFERENCED_VAR (t, rvi) - var_ann (t)->used = false; + clear_is_used (t); /* Walk the CFG marking all referenced symbols. */ FOR_EACH_BB (bb) @@ -769,7 +767,7 @@ remove_unused_locals (void) var = VEC_index (tree, cfun->local_decls, srcidx); if (TREE_CODE (var) != FUNCTION_DECL && (!(ann = var_ann (var)) - || !ann->used)) + || !is_used_p (var))) { if (is_global_var (var)) { @@ -801,7 +799,7 @@ remove_unused_locals (void) if (TREE_CODE (var) == VAR_DECL && is_global_var (var) && (ann = var_ann (var)) != NULL - && ann->used) + && is_used_p (var)) mark_all_vars_used (&DECL_INITIAL (var), global_unused_vars); num = VEC_length (tree, cfun->local_decls); @@ -827,8 +825,8 @@ remove_unused_locals (void) if (!is_global_var (t) && TREE_CODE (t) != PARM_DECL && TREE_CODE (t) != RESULT_DECL - && !(ann = var_ann (t))->used - && !ann->is_heapvar) + && !is_used_p (t) + && !var_ann (t)->is_heapvar) remove_referenced_var (t); remove_unused_scope_block_p (DECL_INITIAL (current_function_decl)); if (dump_file && (dump_flags & TDF_DETAILS)) |