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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2010-09-03 10:15:54 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2010-09-03 10:15:54 +0000
commit9d924a14cb3657941ca4f1406f1b710fec343aec (patch)
tree557b00c4e086e7d798393273321f3907a7d16cb4 /gcc/tree-ssa-loop-ivcanon.c
parentbf0e72b2492b09bb9be1c0aa55a6991dec33f374 (diff)
downloadgcc-9d924a14cb3657941ca4f1406f1b710fec343aec.tar.gz
* cgraph.h (struct varpool_node): Add const_value_known.
(varpool_decide_const_value_known): Declare. * tree-ssa-ccp.c (fold_const_aggregate_ref): Update initializer folding. * lto-cgraph.c (lto_output_varpool_node): Store const_value_known. (input_varpool_node): Restore const_value_known. * tree-ssa-loop-ivcanon (constant_after_peeling): Check varpool for initializer folding. * ipa.c (ipa_discover_readonly_nonaddressable_var, function_and_variable_visibility): Compute const_value_known. * gimple-fold.c (get_symbol_constant_value): Use varpool for initializer folding. * varpool.c (varpool_decide_const_value_known): New function. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163808 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
-rw-r--r--gcc/tree-ssa-loop-ivcanon.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c
index b0d45bc4b41..2ced3070d48 100644
--- a/gcc/tree-ssa-loop-ivcanon.c
+++ b/gcc/tree-ssa-loop-ivcanon.c
@@ -165,9 +165,7 @@ constant_after_peeling (tree op, gimple stmt, struct loop *loop)
if ((DECL_P (base)
&& TREE_STATIC (base)
&& TREE_READONLY (base)
- && (DECL_INITIAL (base)
- || (!DECL_EXTERNAL (base)
- && targetm.binds_local_p (base))))
+ && varpool_get_node (base)->const_value_known)
|| CONSTANT_CLASS_P (base))
{
/* If so, see if we understand all the indices. */