| # REQUIRES: x86 | 
 | # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o | 
 | # RUN: lld -flavor darwinnew -o %t %t.o | 
 |  | 
 | ## Check for the presence of load commands that are essential for a working | 
 | ## executable. | 
 | # RUN: llvm-objdump --macho --all-headers %t | FileCheck %s | 
 | # CHECK-DAG: cmd LC_DYLD_INFO_ONLY | 
 | # CHECK-DAG: cmd LC_SYMTAB | 
 | # CHECK-DAG: cmd LC_DYSYMTAB | 
 | # CHECK-DAG: cmd LC_MAIN | 
 | # CHECK-DAG: cmd LC_LOAD_DYLINKER | 
 |  | 
 | ## Check for the absence of load commands that should not be in an executable. | 
 | # RUN: llvm-objdump --macho --all-headers %t | FileCheck %s --check-prefix=NCHECK | 
 | # NCHECK-NOT: cmd: LC_ID_DYLIB | 
 |  | 
 | .text | 
 | .global _main | 
 | _main: | 
 |   mov $0, %rax | 
 |   ret |