1 files changed, 60 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/switch-5.c b/gcc/testsuite/gcc.dg/tree-ssa/switch-5.c
new file mode 100644
index 0000000..b05742c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/switch-5.c
@@ -0,0 +1,60 @@
+/* { dg-do compile { target { { x86_64-*-* aarch64-*-* ia64-*-* powerpc64-*-* } && lp64 } } } */
+/* { dg-options "-O2 -fdump-tree-switchlower1" } */
+
+int f0();    
+int f1();    
+int f2();    
+int f3();    
+int f4();    
+     
+int foo(int a)    
+{    
+    switch (a)    
+    {    
+        case 0:    
+        case 2:    
+        case 4:    
+        case 6:    
+            return f0();    
+        case 8:    
+            return f1();    
+        case 10:    
+        case 14:    
+        case 16:    
+        case 18:    
+            return f2();    
+        case 12:    
+            return f3();    
+        case 20:    
+            return f4();    
+    }    
+    return -1;    
+}
+
+/* { dg-final { scan-tree-dump ";; GIMPLE switch case clusters: BT:0-8 BT:10-20" "switchlower1" } } */
+
+int bar(int a)    
+{    
+    switch (a)    
+    {    
+        case 20:    
+        case 18:    
+        case 16:    
+        case 14:    
+            return f0();    
+        case 12:    
+            return f1();    
+        case 10:    
+        case 6:    
+        case 4:    
+        case 2:    
+            return f2();    
+        case 8:    
+            return f3();    
+        case 0:    
+            return f4();    
+    }    
+    return -1;    
+}
+
+/* { dg-final { scan-tree-dump ";; GIMPLE switch case clusters: BT:0-10 BT:12-20" "switchlower1" } } */