From 5ca98fd98791947eba83a1ed3f2c8191ef7afa6c Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 24 Nov 2014 09:08:18 +0000
Subject: Vendor import of llvm RELEASE_350/final tag r216957 (effectively,
 3.5.0 release):
 https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_350/final@216957

---
 test/CodeGen/AArch64/arm64-stackpointer.ll | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 test/CodeGen/AArch64/arm64-stackpointer.ll

(limited to 'test/CodeGen/AArch64/arm64-stackpointer.ll')

diff --git a/test/CodeGen/AArch64/arm64-stackpointer.ll b/test/CodeGen/AArch64/arm64-stackpointer.ll
new file mode 100644
index 0000000000000..581faf130f103
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-stackpointer.ll
@@ -0,0 +1,24 @@
+; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s
+
+define i64 @get_stack() nounwind {
+entry:
+; CHECK-LABEL: get_stack:
+; CHECK: mov   x0, sp
+	%sp = call i64 @llvm.read_register.i64(metadata !0)
+  ret i64 %sp
+}
+
+define void @set_stack(i64 %val) nounwind {
+entry:
+; CHECK-LABEL: set_stack:
+; CHECK: mov   sp, x0
+  call void @llvm.write_register.i64(metadata !0, i64 %val)
+  ret void
+}
+
+declare i64 @llvm.read_register.i64(metadata) nounwind
+declare void @llvm.write_register.i64(metadata, i64) nounwind
+
+; register unsigned long current_stack_pointer asm("sp");
+; CHECK-NOT: .asciz  "sp"
+!0 = metadata !{metadata !"sp\00"}
-- 
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