[llvm-commits] [test-suite] r130784 - /test-suite/trunk/SingleSource/UnitTests/ms_struct-bitfield-init-1.c

[Fariborz Jahanian]

Author: fjahanian
Date: Tue May  3 15:22:13 2011
New Revision: 130784

URL: http://llvm.org/viewvc/llvm-project?rev=130784&view=rev
Log:
Test related to rules for zero-length bitfields
in ms_struct structs. // rdar://8823265

Added:
    test-suite/trunk/SingleSource/UnitTests/ms_struct-bitfield-init-1.c

Added: test-suite/trunk/SingleSource/UnitTests/ms_struct-bitfield-init-1.c
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/SingleSource/UnitTests/ms_struct-bitfield-init-1.c?rev=130784&view=auto
==============================================================================
--- test-suite/trunk/SingleSource/UnitTests/ms_struct-bitfield-init-1.c (added)
+++ test-suite/trunk/SingleSource/UnitTests/ms_struct-bitfield-init-1.c Tue May  3 15:22:13 2011
@@ -0,0 +1,56 @@
+#include <stdlib.h>
+
+#define ATTR __attribute__((__ms_struct__))
+
+struct {
+                   unsigned int bf_1 : 12;
+                   unsigned int : 0;
+                   unsigned int bf_2 : 12;
+} ATTR t1 = {1,2};
+static int a1[(sizeof(t1) == 8) -1];
+
+struct
+{
+                   char foo : 4;
+                   short : 0;
+                   char bar;
+} ATTR t2 = {3,4};
+static int a2[(sizeof(t2) == 4) -1];
+
+#pragma ms_struct on
+struct
+{
+                   char foo : 4;
+                   short : 0;
+                   char bar;
+} t3 = {5,6};
+#pragma ms_struct off
+static int a3[(sizeof(t3) == 4) -1];
+
+struct
+{
+  char foo : 6;
+  int : 0;
+} ATTR t4;
+static int a4[(sizeof(t4) == 4) -1];
+
+struct
+{
+  char foo : 4;
+  short : 0;
+  char bar : 8;
+} ATTR t5 = {7,8};
+static int a5[(sizeof(t5) == 4) -1];
+
+int main() {
+  if (t1.bf_1 != 1 || t1.bf_2 != 2)
+    abort();
+  if (t2.foo != 3 || t2.bar != 4)
+    abort();
+  if (t3.foo != 5 || t3.bar != 6)
+    abort();
+  if (t5.foo != 7 || t5.bar != 8)
+    abort();
+  return 0;
+}
+