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| 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/tree-ssa-loop-ivcanon.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/tree-ssa-loop-ivcanon.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivcanon.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c index 2ced307..187f53c 100644 --- a/gcc/tree-ssa-loop-ivcanon.c +++ b/gcc/tree-ssa-loop-ivcanon.c @@ -162,10 +162,8 @@ constant_after_peeling (tree op, gimple stmt, struct loop *loop) /* First make fast look if we see constant array inside. */ while (handled_component_p (base)) base = TREE_OPERAND (base, 0); - if ((DECL_P (base) - && TREE_STATIC (base) - && TREE_READONLY (base) - && varpool_get_node (base)->const_value_known) + if ((DECL_P (base) == VAR_DECL + && const_value_known_p (base)) || CONSTANT_CLASS_P (base)) { /* If so, see if we understand all the indices. */ |