diff options
| author | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-22 23:33:20 +0000 |
|---|---|---|
| committer | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-22 23:33:20 +0000 |
| commit | 5a49b0e17f1e9aa8cae4e69f93cc19d6824bdf7c (patch) | |
| tree | d729fab0bca584700b3abb9898aff081a36e46f9 /gcc/testsuite/gcc.dg/tree-ssa/pr16721.c | |
| parent | f77b9d3c8bd42fcf3a74aec63627d72be2282fe4 (diff) | |
| download | gcc-5a49b0e17f1e9aa8cae4e69f93cc19d6824bdf7c.tar.gz | |
PR tree-optimization/16721
* tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
* tree-ssa-alias.c (create_memory_tag): Move setting of
TREE_THIS_VOLATILE ...
(get_tmt_for): ... here.
testsuite/ChangeLog
PR tree-optimization/16721
* testsuite/gcc.dg/tree-ssa/pr16721.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87895 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr16721.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr16721.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr16721.c b/gcc/testsuite/gcc.dg/tree-ssa/pr16721.c new file mode 100644 index 00000000000..869ab96497e --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr16721.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fno-strict-aliasing -fdump-tree-optimized" } */ + +struct data { + volatile unsigned long *addr; +} *p; + +int test() +{ + *p->addr; + return 0; +} + +/* The load from p->addr should not disappear. */ +/* { dg-final { scan-tree-dump-times "\->addr" 1 "optimized"} } */ |