diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-3.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-3.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-3.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-3.c new file mode 100644 index 000000000..fb266bb54 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-3.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-fre1-stats" } */ +int main(int argc, char **argv) +{ + int *p; + int result; + *p = 2; + if (argc) + *p = 2; + result = *p; + return result; +} +/* We should eliminate result = *p by saying it has the value 2. */ +/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "fre1"} } */ +/* { dg-final { cleanup-tree-dump "fre1" } } */ |