lld/test/ELF/allow-multiple-definition.s

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/allow-multiple-definition.s -o %t2
   5 # RUN: not ld.lld %t1 %t2 -o /dev/null
   6 # RUN: not ld.lld --allow-multiple-definition --no-allow-multiple-definition %t1 %t2 -o /dev/null
   7 # RUN: ld.lld --allow-multiple-definition --fatal-warnings %t1 %t2 -o %t3
   8 # RUN: ld.lld --allow-multiple-definition --fatal-warnings %t2 %t1 -o %t4
   9 # RUN: llvm-objdump --no-print-imm-hex -d %t3 | FileCheck %s
  10 # RUN: llvm-objdump --no-print-imm-hex -d %t4 | FileCheck --check-prefix=REVERT %s
  11
  12 # RUN: ld.lld -z muldefs --fatal-warnings  %t1 %t2 -o %t3
  13 # RUN: ld.lld -z muldefs --fatal-warnings  %t2 %t1 -o %t4
  14 # RUN: llvm-objdump --no-print-imm-hex -d %t3 | FileCheck %s
  15 # RUN: llvm-objdump --no-print-imm-hex -d %t4 | FileCheck --check-prefix=REVERT %s
  16
  17 # inputs contain different constants for instruction movl.
  18 # Tests below checks that order of files in command line
  19 # affects on what symbol will be used.
  20 # If flag allow-multiple-definition is enabled the first
  21 # meet symbol should be used.
  22
  23 # CHECK: <_bar>:
  24 # CHECK-NEXT:  movl   $1, %eax
  25
  26 # REVERT: <_bar>:
  27 # REVERT-NEXT: movl   $2, %eax
  28
  29 .globl _bar
  30 .type _bar, @function
  31 _bar:
  32   mov $1, %eax
  33
  34 .globl _start
  35 _start: