1 files changed, 54 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/thumb-alignment.ll b/test/CodeGen/ARM/thumb-alignment.ll
new file mode 100644
index 0000000000000..c11d4b6da3c99
--- /dev/null
+++ b/test/CodeGen/ARM/thumb-alignment.ll
@@ -0,0 +1,54 @@
+; RUN: llc -relocation-model=pic -mtriple=thumbv7-unknown-linux -o - %s | FileCheck %s
+
+@x = external global i32
+
+; CHECK: .globl	foo
+; CHECK-NEXT: .align	2
+define i32* @foo() {
+  ret i32* @x
+}
+
+; CHECK: .globl	bar
+; CHECK-NEXT: .align	1
+define i32* @bar() {
+  ret i32* zeroinitializer
+}
+
+@a = external global i32
+@b = external global i32
+@c = external global i32
+@d = external global i32
+
+; Create a Thumb-2 jump table, which should force alignment to 4 bytes.
+
+; CHECK: .globl	baz
+; CHECK-NEXT: .align	2
+; CHECK: adr.w
+define i32 @baz() {
+  %1 = load i32, i32* @c, align 4
+  switch i32 %1, label %7 [
+    i32 1, label %2
+    i32 4, label %5
+    i32 9, label %5
+    i32 3, label %8
+  ]
+
+; <label>:2
+  %3 = load i32, i32* @a, align 4
+  %4 = tail call i32 bitcast (i32 (...)* @fn2 to i32 (i32 (...)*, i32, i32)*)(i32 (...)* bitcast (i32 ()* @baz to i32 (...)*), i32 0, i32 %3) #2
+  br label %8
+
+; <label>:5
+  %6 = load i32, i32* @d, align 4
+  store i32 %6, i32* @b, align 4
+  br label %8
+
+; <label>:7
+  br label %8
+
+; <label>:8
+  %e.0 = phi i32 [ 1, %7 ], [ 1, %2 ], [ 0, %0 ], [ 0, %5 ]
+  ret i32 %e.0
+}
+
+declare i32 @fn2(...)