From dce4a407a24b04eebc6a376f8e62b41aaa7b071f Mon Sep 17 00:00:00 2001 From: Stephen Hines Date: Thu, 29 May 2014 02:49:00 -0700 Subject: Update LLVM for 3.5 rebase (r209712). Change-Id: I149556c940fb7dc92d075273c87ff584f400941f --- 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 0000000000..581faf130f --- /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"} -- cgit v1.2.3