|  | # REQUIRES: x86 | 
|  |  | 
|  | # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1 | 
|  | # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/allow-multiple-definition.s -o %t2 | 
|  | # RUN: not ld.lld %t1 %t2 -o %t3 | 
|  | # RUN: not ld.lld --allow-multiple-definition --no-allow-multiple-definition %t1 %t2 -o %t3 | 
|  | # RUN: ld.lld --allow-multiple-definition --fatal-warnings %t1 %t2 -o %t3 | 
|  | # RUN: ld.lld --allow-multiple-definition --fatal-warnings %t2 %t1 -o %t4 | 
|  | # RUN: llvm-objdump -d %t3 | FileCheck %s | 
|  | # RUN: llvm-objdump -d %t4 | FileCheck -check-prefix=REVERT %s | 
|  |  | 
|  | # RUN: ld.lld -z muldefs --fatal-warnings  %t1 %t2 -o %t3 | 
|  | # RUN: ld.lld -z muldefs --fatal-warnings  %t2 %t1 -o %t4 | 
|  | # RUN: llvm-objdump -d %t3 | FileCheck %s | 
|  | # RUN: llvm-objdump -d %t4 | FileCheck -check-prefix=REVERT %s | 
|  |  | 
|  | # inputs contain different constants for instuction movl. | 
|  | # Tests below checks that order of files in command line | 
|  | # affects on what symbol will be used. | 
|  | # If flag allow-multiple-definition is enabled the first | 
|  | # meet symbol should be used. | 
|  |  | 
|  | # CHECK: _bar: | 
|  | # CHECK-NEXT: 201000:   b8 01 00 00 00   movl   $1, %eax | 
|  |  | 
|  | # REVERT: _bar: | 
|  | # REVERT-NEXT: 201000:   b8 02 00 00 00   movl   $2, %eax | 
|  |  | 
|  | .globl _bar | 
|  | .type _bar, @function | 
|  | _bar: | 
|  | mov $1, %eax | 
|  |  | 
|  | .globl _start | 
|  | _start: |