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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c new file mode 100644 index 000000000..0f5dc9ec1 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c @@ -0,0 +1,28 @@ +/* { dg-do link } */ +/* { dg-options "-O2 -fdump-tree-vrp1" } */ + +static inline void do_thing(char *s, int *p, char *q) +{ + /* This should be folded away. */ + if (s == 0 || q == 0) + link_error (); + + /* This should not be folded as 'p' is not marked nonnull. */ + if (p) + *p = 3; +} + +void __attribute__((nonnull (1, 3))) do_other_thing(char *s, int *p, char *q) +{ + do_thing(s, p, q); +} + +int i; + +main() +{ + do_other_thing ("xxx", &i, "yyy"); +} + +/* { dg-final { scan-tree-dump-times "Folding predicate p_.*" 0 "vrp1" } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |