diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-12-09 05:07:18 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-12-09 05:07:18 +0000 |
| commit | f5d3c0a6c89a46c5bca677767ce129a78e9edafa (patch) | |
| tree | 605cb507b2dcec62d39dca832e936a5a93ff6a1b /gcc/cgraph.h | |
| parent | 8b95d2d220bd184e9394597143bb939d62735fde (diff) | |
| download | gcc-f5d3c0a6c89a46c5bca677767ce129a78e9edafa.tar.gz | |
PR ipa/61886
* symtab.c (symtab_node::equal_address_to): New parameter
MEMORY_ACCESSED.
* cgraph.h (symtab_node::equal_address_to): Update prototype.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231440 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cgraph.h')
| -rw-r--r-- | gcc/cgraph.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/cgraph.h b/gcc/cgraph.h index 7c643502fff..0a093913be6 100644 --- a/gcc/cgraph.h +++ b/gcc/cgraph.h @@ -355,8 +355,13 @@ public: /* Return 0 if symbol is known to have different address than S2, Return 1 if symbol is known to have same address as S2, - return 2 otherwise. */ - int equal_address_to (symtab_node *s2); + return 2 otherwise. + + If MEMORY_ACCESSED is true, assume that both memory pointer to THIS + and S2 is going to be accessed. This eliminates the situations when + either THIS or S2 is NULL and is seful for comparing bases when deciding + about memory aliasing. */ + int equal_address_to (symtab_node *s2, bool memory_accessed = false); /* Return true if symbol's address may possibly be compared to other symbol's address. */ |