diff options
| author | Jan Hubicka <hubicka@ucw.cz> | 2014-02-08 00:49:18 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2014-02-07 23:49:18 +0000 |
| commit | a0a98fef260011c6f0bf60fd76a1f05399d90b98 (patch) | |
| tree | 177658eb2280a3859578dfbd41da251be089a034 /gcc/varpool.c | |
| parent | b7e85694cf4baa17e0b9c43a640f4e0ca9870c46 (diff) | |
| download | gcc-a0a98fef260011c6f0bf60fd76a1f05399d90b98.tar.gz | |
varpool.c: Include pointer-set.h.
* varpool.c: Include pointer-set.h.
(varpool_remove_unreferenced_decls): Variables in other partitions
will not be output; be however careful to not lose information
about partitioning.
From-SVN: r207620
Diffstat (limited to 'gcc/varpool.c')
| -rw-r--r-- | gcc/varpool.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/varpool.c b/gcc/varpool.c index 54570343e0a..acb522100ea 100644 --- a/gcc/varpool.c +++ b/gcc/varpool.c @@ -34,6 +34,7 @@ along with GCC; see the file COPYING3. If not see #include "output.h" #include "gimple-expr.h" #include "flags.h" +#include "pointer-set.h" /* List of hooks triggered on varpool_node events. */ struct varpool_node_hook_list { @@ -262,7 +263,7 @@ ctor_for_folding (tree decl) return error_mark_node; /* Do not care about automatic variables. Those are never initialized - anyway, because gimplifier exapnds the code*/ + anyway, because gimplifier exapnds the code. */ if (!TREE_STATIC (decl) && !DECL_EXTERNAL (decl)) { gcc_assert (!TREE_PUBLIC (decl)); @@ -486,6 +487,7 @@ varpool_remove_unreferenced_decls (void) varpool_node *first = (varpool_node *)(void *)1; int i; struct ipa_ref *ref; + struct pointer_set_t *referenced = pointer_set_create (); if (seen_error ()) return; @@ -518,7 +520,7 @@ varpool_remove_unreferenced_decls (void) next = next->same_comdat_group) { varpool_node *vnext = dyn_cast <varpool_node> (next); - if (vnext && vnext->analyzed) + if (vnext && vnext->analyzed && !symtab_comdat_local_p (next)) enqueue_node (vnext, &first); } } @@ -526,10 +528,13 @@ varpool_remove_unreferenced_decls (void) { varpool_node *vnode = dyn_cast <varpool_node> (ref->referred); if (vnode + && !vnode->in_other_partition && (!DECL_EXTERNAL (ref->referred->decl) || vnode->alias) && vnode->analyzed) enqueue_node (vnode, &first); + else + pointer_set_insert (referenced, node); } } if (cgraph_dump_file) @@ -541,9 +546,13 @@ varpool_remove_unreferenced_decls (void) { if (cgraph_dump_file) fprintf (cgraph_dump_file, " %s", node->asm_name ()); - varpool_remove_node (node); + if (pointer_set_contains (referenced, node)) + varpool_remove_initializer (node); + else + varpool_remove_node (node); } } + pointer_set_destroy (referenced); if (cgraph_dump_file) fprintf (cgraph_dump_file, "\n"); } |