diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr49039.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr49039.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr49039.c b/gcc/testsuite/gcc.dg/tree-ssa/pr49039.c new file mode 100644 index 000000000..3500dbf2a --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr49039.c @@ -0,0 +1,31 @@ +/* PR tree-optimization/49039 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp1" } */ + +extern void bar (void); + +void +foo (unsigned int x, unsigned int y) +{ + unsigned int minv, maxv; + if (x >= 3 && x <= 6) + return; + if (y >= 5 && y <= 8) + return; + minv = x < y ? x : y; + maxv = x > y ? x : y; + if (minv == 5) + bar (); + if (minv == 6) + bar (); + if (maxv == 5) + bar (); + if (maxv == 6) + bar (); +} + +/* { dg-final { scan-tree-dump "Folding predicate minv_\[0-9\]* == 5 to 0" "vrp1" } } */ +/* { dg-final { scan-tree-dump "Folding predicate minv_\[0-9\]* == 6 to 0" "vrp1" } } */ +/* { dg-final { scan-tree-dump "Folding predicate maxv_\[0-9\]* == 5 to 0" "vrp1" } } */ +/* { dg-final { scan-tree-dump "Folding predicate maxv_\[0-9\]* == 6 to 0" "vrp1" } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |