Test case for 90787.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90791 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/FrontendC/2009-12-07-BitFieldAlignment.c b/test/FrontendC/2009-12-07-BitFieldAlignment.c
new file mode 100644 (file)
index 0000000..a8312a5
--- /dev/null
+++ b/test/FrontendC/2009-12-07-BitFieldAlignment.c
@@ -0,0 +1,15 @@
+// RUN: %llvmgcc -m32 %s -S -o - | FileCheck %s
+// Set alignment on bitfield accesses.
+
+struct S {
+  int a, b;
+  void *c;
+  unsigned d : 8;
+  unsigned e : 8;
+};
+
+void f0(struct S *a) {
+// CHECK: %3 = load i32* %2, align 4
+// CHECK: store i32 %4, i32* %2, align 4
+  a->e = 0;
+}