diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp34.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp34.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp34.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp34.c new file mode 100644 index 000000000..fd92eca65 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp34.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp1" } */ + +void bar (void); + +void +foo (int a) +{ + switch (a) + { + case 4: + if (a >= 3) + if (a <= 5) + bar (); + } +} + +/* { dg-final { scan-tree-dump "Folding predicate a_. > 2 to 1" "vrp1" } } */ +/* { dg-final { scan-tree-dump "Folding predicate a_. <= 5 to 1" "vrp1" } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |