From 25f402d1c15ba155b019ac99cf99496822f54a60 Mon Sep 17 00:00:00 2001
From: Segher Boessenkool <segher@gcc.gnu.org>
Date: Wed, 9 Aug 2017 23:52:30 +0200
Subject: [PATCH] This time with the file added.

Testcase for PR81423

gcc/testsuite/
	PR rtl-optimization/81423
	* gcc.c-torture/execute/pr81423.c: New testcase.

From-SVN: r251011
---
 gcc/testsuite/gcc.c-torture/execute/pr81423.c | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 gcc/testsuite/gcc.c-torture/execute/pr81423.c

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr81423.c b/gcc/testsuite/gcc.c-torture/execute/pr81423.c
new file mode 100644
index 00000000000..731aa8f1c65
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr81423.c
@@ -0,0 +1,36 @@
+extern void abort (void);
+
+unsigned long long int ll = 0;
+unsigned long long int ull1 = 1ULL;
+unsigned long long int ull2 = 12008284144813806346ULL;
+unsigned long long int ull3;
+
+unsigned long long int __attribute__ ((noinline))
+foo (void)
+{
+  ll = -5597998501375493990LL;
+
+  ll = (5677365550390624949L - ll) - (ull1 > 0);
+  unsigned long long int ull3;
+  ull3 = (unsigned int)
+    (2067854353L <<
+     (((ll + -2129105131L) ^ 10280750144413668236ULL) -
+      10280750143997242009ULL)) >> ((2873442921854271231ULL | ull2)
+				    - 12098357307243495419ULL);
+
+  return ull3;
+}
+
+int
+main (void)
+{
+  /* We need a long long of exactly 64 bits for this test.  */
+  ll--;
+  if (ll != 0xffffffffffffffffULL)
+    return 0;
+
+  ull3 = foo ();
+  if (ull3 != 3998784)
+    abort ();
+  return 0;
+}
-- 
2.30.2