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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c
new file mode 100644
index 00000000000..9a20a3040c5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c
@@ -0,0 +1,39 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-cddce" } */
+
+
+struct rtx_def;
+typedef struct rtx_def *rtx;
+enum rtx_code
+{
+ UNKNOWN,
+ CODE_LABEL,
+ NOTE,
+ LAST_AND_UNUSED_RTX_CODE
+};
+typedef union rtunion_def rtunion;
+struct rtx_def
+{
+ enum rtx_code code:16;
+};
+void
+delete_dead_jumptables ()
+{
+ rtx insn, next;
+ if (insn->code == CODE_LABEL)
+ {
+ rtx const _rtx = insn;
+ if (_rtx->code != CODE_LABEL && _rtx->code != NOTE)
+ abort ();
+ }
+ ;
+}
+
+/* There should be no loads of ->code. If any exist, then we failed to
+ optimize away all the IF statements and the statements feeding
+ their conditions. */
+/* { dg-final { scan-tree-dump-times "->code" 0 "cddce"} } */
+
+/* There should be no IF statements. */
+/* { dg-final { scan-tree-dump-times "if " 0 "cddce"} } */
+