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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr18133-1.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr18133-1.c b/gcc/testsuite/gcc.dg/tree-ssa/pr18133-1.c
new file mode 100644
index 000000000..f225f662d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr18133-1.c
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-optimized-blocks" } */
+
+void foo (void)
+{
+void *p;
+p = &&L0;
+goto *p;
+L0:
+return;
+}
+
+/* The goto &L0 should have been optimized away during CFG
+ cleanups. */
+/* { dg-final { scan-tree-dump-times "goto &L0" 0 "optimized" } } */
+
+/* There should not be any abnormal edges as DOM removed the
+ computed goto. */
+
+/* { dg-final { scan-tree-dump-times "ab" 0 "optimized" } } */
+
+/* And verify that we have fixed the fallthru flag as well.
+ After DOM we will have two fallthru edges (e->0, 0->1),
+ but in the dump files we mention the 0->1 two times. So
+ scan for 3 instances of "fallthru". */
+
+/* { dg-final { scan-tree-dump-times "fallthru" 3 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */