diff options
| author | Jan Hubicka <jh@suse.cz> | 2010-09-20 17:48:42 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2010-09-20 15:48:42 +0000 |
| commit | 64e0f5ff1f3be1ddccc2a50cb371b5dce94124b1 (patch) | |
| tree | 5dc2da773507a107b478346e98a80752893d9599 /gcc/gimple-fold.c | |
| parent | 4ce9b2b20f34a82792df7e5dbb8c230e1cc29e45 (diff) | |
| download | gcc-64e0f5ff1f3be1ddccc2a50cb371b5dce94124b1.zip gcc-64e0f5ff1f3be1ddccc2a50cb371b5dce94124b1.tar.gz gcc-64e0f5ff1f3be1ddccc2a50cb371b5dce94124b1.tar.bz2 | |
re PR tree-optimization/45605 (Missed devirtualization)
PR tree-optimize/45605
* cgraph.h (const_value_known_p): Declare.
(varpool_decide_const_value_known): Remove.
* tree-ssa-ccp.c (get_base_constructor): Use it.
* lto-cgraph.c (compute_ltrans_boundary): Likewise.
* expr.c (string_constant): Likewise.
* tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
* ipa.c (ipa_discover_readonly_nonaddressable_var,
function_and_variable_visibility): Likewise.
* gimplify.c (gimplify_call_expr): Likewise.
* gimple-fold.c (get_symbol_constant_value): Likewise.
* varpool.c (varpool_decide_const_value_known): Replace by...
(const_value_known_p): ... this one; handle other kinds of DECLs
too and work for automatic vars.
(varpool_finalize_decl): Use const_value_known_p.
* lto.c (lto_promote_cross_file_statics): Use const_value_known_p.
* g++.dg/tree-ssa/pr45605.C: New testcase.
From-SVN: r164438
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 14031c8..8faadcc 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -122,9 +122,7 @@ canonicalize_constructor_val (tree cval) tree get_symbol_constant_value (tree sym) { - if ((TREE_STATIC (sym) || DECL_EXTERNAL (sym)) - && (TREE_CODE (sym) == CONST_DECL - || varpool_get_node (sym)->const_value_known)) + if (const_value_known_p (sym)) { tree val = DECL_INITIAL (sym); if (val) |