ms_struct patch for initialization and field access irgen.
// rdar://8823265 - wip.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130451 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ms_struct-bitfield-init.c b/test/CodeGen/ms_struct-bitfield-init.c
new file mode 100644
index 0000000..7a483fb
--- /dev/null
+++ b/test/CodeGen/ms_struct-bitfield-init.c
@@ -0,0 +1,68 @@
+// RUN: %clang_cc1 -emit-llvm-only -triple x86_64-apple-darwin9 %s
+// rdar://8823265
+
+extern void abort(void);
+#define ATTR __attribute__((__ms_struct__))
+
+struct
+{
+ char foo;
+ long : 0;
+ char : 0;
+ int : 0;
+ char bar;
+} ATTR t1 = {'a', 'b'};
+
+struct
+{
+ char bar0;
+ long : 0;
+ int : 0;
+ char bar1;
+ char bar2;
+ long : 0;
+ char bar3;
+ char bar4;
+ char : 0;
+ char bar5;
+ char bar6;
+ char : 0;
+ char bar7;
+ char bar8;
+} ATTR t2 = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'};
+
+struct {
+ int : 0;
+ int i1;
+ int : 0;
+ int i2;
+ int : 0;
+ int i3;
+ int : 0;
+ int i4;
+} t3 = {1,2,3,4};
+
+int main() {
+ if (sizeof(t1) != 2)
+ abort();
+ if (t1.foo != 'a')
+ abort();
+ if (t1.bar != 'b')
+ abort();
+ t1.foo = 'c';
+ t1.bar = 'd';
+ if (t1.foo != 'c')
+ abort();
+ if (t1.bar != 'd')
+ abort();
+ if (sizeof(t2) != 9)
+ abort();
+ if (t2.bar0 != 'a' || t2.bar8 != 'i')
+ abort();
+ if (sizeof(t3) != 16)
+ abort();
+ if (t3.i1 != 1 || t3.i4 != 4)
+ abort();
+ return 0;
+}
+