From 659d1d8d023282ca7597425574d202888563edfe Mon Sep 17 00:00:00 2001
From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Fri, 29 Aug 2008 02:13:02 +0000
Subject: [PATCH] testcase for currently broken GVN-PRE

[r21561]
---
 ir/be/test/fehler141.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 ir/be/test/fehler141.c

diff --git a/ir/be/test/fehler141.c b/ir/be/test/fehler141.c
new file mode 100644
index 000000000..68599d4e8
--- /dev/null
+++ b/ir/be/test/fehler141.c
@@ -0,0 +1,18 @@
+/*$ -fgvn-pre -fno-gcse $*/
+int bl_count[256];
+
+int test(int max_length, int overflow) {
+    int bits;
+
+    do {
+            bits = max_length-1;
+            while (bl_count[bits] == 0) bits--;
+            bl_count[bits]--;      /* move one leaf down the tree */
+            bl_count[bits+1] += 2; /* move one overflow item as its brother */
+    } while (overflow > 0);
+    return 0;
+}
+
+int main() {
+    return 0;
+}
-- 
2.20.1