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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/vrp41.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/vrp41.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp41.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp41.c
new file mode 100644
index 000000000..d573fbb0a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp41.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+
+void bar0 (void);
+void bar1 (void);
+void bar2 (void);
+void bar3 (void);
+
+void
+foo (int a)
+{
+ if (a < 100)
+ return;
+ if (200 < a)
+ return;
+
+ switch (a)
+ {
+ case 99: bar0 (); return;
+ case 100: bar1 (); return;
+ case 101: bar2 (); return;
+ case 102: bar3 (); return;
+ }
+}
+
+/* { dg-final { scan-tree-dump-not "case 99:" "vrp1" } } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */