Add a test for the load/store alignment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40687 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CFrontend/2007-08-01-LoadStoreAlign.c b/test/CFrontend/2007-08-01-LoadStoreAlign.c
new file mode 100644 (file)
index 0000000..3d5b1fb
--- /dev/null
+++ b/test/CFrontend/2007-08-01-LoadStoreAlign.c
@@ -0,0 +1,17 @@
+// RUN: %llvmgcc -O3 -S -o - -emit-llvm %s | grep -c {align 1} | grep 2
+// RUN: %llvmgcc -O3 -S -o - -emit-llvm %s | llvm-as | llc
+
+struct p {
+  char a;
+  int b;
+} __attribute__ ((packed));
+
+struct p t = { 1, 10 };
+struct p u;
+
+int main () {
+  int tmp = t.b;
+  u.b = tmp;
+  return tmp;
+
+}