| ; RUN: llc -mtriple=arm64-linux-gnu < %s | FileCheck %s | 
 | ; RUN: llc -mtriple=arm64-linux-gnu -filetype=obj < %s | llvm-objdump - -r -d --triple=arm64-linux-gnu | FileCheck --check-prefix=CHECK-ELF %s | 
 |  | 
 | define void @foo() nounwind { | 
 |   ret void | 
 | } | 
 |  | 
 |   ; Check source looks ELF-like: no leading underscore, comments with // | 
 | ; CHECK: foo: // @foo | 
 | ; CHECK:     ret | 
 |  | 
 |   ; Similarly make sure ELF output works and is vaguely sane: aarch64 target | 
 |   ; machine with correct section & symbol names. | 
 | ; CHECK-ELF: file format ELF64-aarch64 | 
 |  | 
 | ; CHECK-ELF: Disassembly of section .text | 
 | ; CHECK-ELF-LABEL: foo: | 
 | ; CHECK-ELF:    ret |