diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/vrp19.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/vrp19.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp19.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp19.c new file mode 100644 index 000000000..e4c884a85 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp19.c @@ -0,0 +1,27 @@ +/* { dg-do compile } */ +/* { dg-options "-fwrapv -O1 -ftree-vrp -fdump-tree-vrp1" } */ + +#include <limits.h> +extern void abort (); +extern void exit (int); + +int f (int a) { + if (a != INT_MIN) { + a = a > 0 ? a : -a; + if (a < 0) + return 1; + } + return 0; +} + +int g (int b) { + if (b != INT_MIN) { + b = b > 0 ? b : -b; + if (b >= 0) + return 0; + } + return 1; +} +/* { dg-final { scan-tree-dump "Folding predicate a_. < 0 to 0" "vrp1" } } */ +/* { dg-final { scan-tree-dump "Folding predicate b_. >= 0 to 1" "vrp1" } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |