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| author | Jan Hubicka <jh@suse.cz> | 2009-07-02 17:16:08 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2009-07-02 15:16:08 +0000 |
| commit | 3c1832c328ea48a8acb567200cf511b82b020835 (patch) | |
| tree | afc09716b9b13b4e1dbaa69981eb6f73f7f2a076 /gcc/testsuite/gcc.dg/tree-ssa | |
| parent | 92355a9cf2a71640db076953161aab1b1595d92b (diff) | |
| download | gcc-3c1832c328ea48a8acb567200cf511b82b020835.zip gcc-3c1832c328ea48a8acb567200cf511b82b020835.tar.gz gcc-3c1832c328ea48a8acb567200cf511b82b020835.tar.bz2 | |
local-pure-const.c: New testcase.
* gcc.dg/tree-ssa/local-pure-const.c: New testcase.
* ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
local.
From-SVN: r149176
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/local-pure-const.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/local-pure-const.c b/gcc/testsuite/gcc.dg/tree-ssa/local-pure-const.c new file mode 100644 index 0000000..2c7353d --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/local-pure-const.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-local-pure-const1" } */ +t(int a, int b, int c) +{ + int *p; + if (a) + p = &a; + else + p = &c; + return *p; +} +/* { dg-final { scan-tree-dump-times "local memory is OK" 1 "local-pure-const1"} } */ +/* { dg-final { scan-tree-dump-times "found to be const" 1 "local-pure-const1"} } */ +/* { dg-final { cleanup-tree-dump "local-pure-const1" } } */ |