1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-11.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-11.c
new file mode 100644
index 000000000..4eaad28b1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-11.c
@@ -0,0 +1,42 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O1 -fdump-tree-optimized" } */
+
+/* Test for CPROP across a DAG. */
+
+int test111 (int param)
+{
+  int a, b, c;
+  if (param) {
+    a = 3;
+    b = 2;
+  }
+  else {
+    a = 2;
+    b = 3;
+  }
+  c = a + b;
+  if (c != 5)
+    return 2;
+  return 0;
+}
+
+int test1111 (int param)
+{
+  _Bool a, b, c;
+  if (param) {
+    a = 1;
+    b = 0;
+  }
+  else {
+    a = 0;
+    b = 1;
+  }
+  c = a && b;
+  if (c)
+    return 2;
+  return 0;
+}
+
+/* All ifs should be eliminated. */
+/* { dg-final { scan-tree-dump-times "if " 0 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */