1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/stackpointer.ll b/test/CodeGen/ARM/stackpointer.ll
new file mode 100644
index 0000000000..420a9166d7
--- /dev/null
+++ b/test/CodeGen/ARM/stackpointer.ll
@@ -0,0 +1,25 @@
+; RUN: llc < %s -mtriple=arm-apple-darwin  | FileCheck %s
+; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s
+
+define i32 @get_stack() nounwind {
+entry:
+; CHECK-LABEL: get_stack:
+; CHECK: mov   r0, sp
+	%sp = call i32 @llvm.read_register.i32(metadata !0)
+  ret i32 %sp
+}
+
+define void @set_stack(i32 %val) nounwind {
+entry:
+; CHECK-LABEL: set_stack:
+; CHECK: mov   sp, r0
+  call void @llvm.write_register.i32(metadata !0, i32 %val)
+  ret void
+}
+
+declare i32 @llvm.read_register.i32(metadata) nounwind
+declare void @llvm.write_register.i32(metadata, i32) nounwind
+
+; register unsigned long current_stack_pointer asm("sp");
+; CHECK-NOT: .asciz  "sp"
+!0 = metadata !{metadata !"sp\00"}