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| author | Richard Biener <rguenther@suse.de> | 2013-09-24 11:04:04 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-09-24 11:04:04 +0000 |
| commit | f40333afeb570012ed42439cb9ce3c7aaa63b916 (patch) | |
| tree | 648deb8197d0c5862100744de7dc74e36afb91ec /gcc/tree.h | |
| parent | 583e8bf5d0b400730b2dec40a6989523fc420946 (diff) | |
| download | gcc-f40333afeb570012ed42439cb9ce3c7aaa63b916.zip gcc-f40333afeb570012ed42439cb9ce3c7aaa63b916.tar.gz gcc-f40333afeb570012ed42439cb9ce3c7aaa63b916.tar.bz2 | |
re PR tree-optimization/58513 (*var and MEM[(const int &)var] (var has int* type) are not treated as the same data ref.)
2013-09-24 Richard Biener <rguenther@suse.de>
PR middle-end/58513
* tree.c (reference_alias_ptr_type): Move ...
* alias.c (reference_alias_ptr_type): ... here and implement
in terms of the new reference_alias_ptr_type_1.
(ref_all_alias_ptr_type_p): New helper.
(get_deref_alias_set_1): Drop flag_strict_aliasing here,
use ref_all_alias_ptr_type_p.
(get_deref_alias_set): Add flag_strict_aliasing check here.
(reference_alias_ptr_type_1): New function, split out from ...
(get_alias_set): ... here.
(alias_ptr_types_compatible_p): New function.
* alias.h (reference_alias_ptr_type): Declare.
(alias_ptr_types_compatible_p): Likewise.
* tree.h (reference_alias_ptr_type): Remove.
* fold-const.c (operand_equal_p): Use alias_ptr_types_compatible_p
to compare MEM_REF alias types.
* g++.dg/vect/pr58513.cc: New testcase.
From-SVN: r202865
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 1 |
1 files changed, 0 insertions, 1 deletions
@@ -4345,7 +4345,6 @@ extern tree build_simple_mem_ref_loc (location_t, tree); #define build_simple_mem_ref(T)\ build_simple_mem_ref_loc (UNKNOWN_LOCATION, T) extern double_int mem_ref_offset (const_tree); -extern tree reference_alias_ptr_type (const_tree); extern tree build_invariant_address (tree, tree, HOST_WIDE_INT); extern tree constant_boolean_node (bool, tree); extern tree div_if_zero_remainder (enum tree_code, const_tree, const_tree); |