[test-suite] r178594 - Add test for atomic addition and subtraction. <rdar://problem/13549656>

[Bill Wendling]

Author: void
Date: Tue Apr  2 19:04:26 2013
New Revision: 178594

URL: http://llvm.org/viewvc/llvm-project?rev=178594&view=rev
Log:
Add test for atomic addition and subtraction. <rdar://problem/13549656>

Modified:
    test-suite/trunk/SingleSource/UnitTests/AtomicOps.c
    test-suite/trunk/SingleSource/UnitTests/AtomicOps.reference_output

Modified: test-suite/trunk/SingleSource/UnitTests/AtomicOps.c
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/SingleSource/UnitTests/AtomicOps.c?rev=178594&r1=178593&r2=178594&view=diff
==============================================================================
--- test-suite/trunk/SingleSource/UnitTests/AtomicOps.c (original)
+++ test-suite/trunk/SingleSource/UnitTests/AtomicOps.c Tue Apr  2 19:04:26 2013
@@ -7,11 +7,24 @@ int foo(volatile *mem, int val, int c) {
 
 volatile int x = 0;
 int main() {
+  long long test = 0;
+  int i;
   int y = foo(&x, 1, 2);
   printf("%d, %d\n", y, x);
   y = __sync_val_compare_and_swap(&x, 1, 2);
   printf("%d, %d\n", y, x);
   y = __sync_lock_test_and_set(&x, 1);
   printf("%d, %d\n", y, x);
+
+  for (i = 0; i < 5; i++) {
+    __sync_add_and_fetch(&test, 1);
+    printf("test = %d\n", (int)test);
+  }
+
+  for (i = 0; i < 5; i++) {
+    __sync_fetch_and_sub(&test,1);
+    printf("test = %d\n", (int)test);
+  }
+
   return 0;
 }

Modified: test-suite/trunk/SingleSource/UnitTests/AtomicOps.reference_output
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/SingleSource/UnitTests/AtomicOps.reference_output?rev=178594&r1=178593&r2=178594&view=diff
==============================================================================
--- test-suite/trunk/SingleSource/UnitTests/AtomicOps.reference_output (original)
+++ test-suite/trunk/SingleSource/UnitTests/AtomicOps.reference_output Tue Apr  2 19:04:26 2013
@@ -1,4 +1,14 @@
 2, 1
 1, 2
 2, 1
+test = 1
+test = 2
+test = 3
+test = 4
+test = 5
+test = 4
+test = 3
+test = 2
+test = 1
+test = 0
 exit 0