1 files changed, 28 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/alloca-align.cpp b/clang/test/CodeGenCXX/alloca-align.cpp
new file mode 100644
index 0000000..99d6ab5
--- /dev/null
+++ b/clang/test/CodeGenCXX/alloca-align.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
+
+struct s0 {
+  int Start, End;
+  unsigned Alignment;
+  int TheStores __attribute__((aligned(16)));
+};
+
+// CHECK: define void @f0
+// CHECK: alloca %struct.s0, align 16
+extern "C" void f0() {
+  (void) s0();
+}
+
+// CHECK: define void @f1
+// CHECK: alloca %struct.s0, align 16
+extern "C" void f1() {
+  (void) (struct s0) { 0, 0, 0, 0 };
+}
+
+// CHECK: define i32 @f2
+// CHECK: alloca %struct.s1, align 2
+struct s1 { short x; short y; };
+extern "C" struct s1 f2(int a, struct s1 *x, struct s1 *y) {
+  if (a)
+    return *x;
+  return *y;
+}