1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp50.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp50.c
new file mode 100644
index 00000000000..bf21672c61a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp50.c
@@ -0,0 +1,36 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+
+int
+foo (unsigned int i, unsigned int j)
+{
+  i &= 15;
+  j &= 15;
+  i += 1024;
+  j += 2048;
+  i &= j;
+  return i < 16;
+}
+
+int
+bar (int i)
+{
+  int c = 2;
+  c &= i > 6;
+  return c == 0;
+}
+
+int baz (int x, int y)
+{
+  x &= 15;
+  y &= 15;
+  x += 4;
+  y += 16;
+  x &= y;
+  return x < 20;
+}
+
+/* { dg-final { scan-tree-dump "Folding predicate i_\[^\n\r\]* to 1" "vrp1" } } */
+/* { dg-final { scan-tree-dump "Folding predicate c_\[^\n\r\]* to 1" "vrp1" } } */
+/* { dg-final { scan-tree-dump "Folding predicate x_\[^\n\r\]* to 1" "vrp1" } } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */