llvm/test/MC/ELF/symver-remove.s

   1 # RUN: llvm-mc -triple=x86_64 %s | FileCheck %s --check-prefix=ASM
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t
   3 # RUN: llvm-readelf -s %t | FileCheck %s
   4
   5 # ASM:      .symver nondef, nondef@v1, remove
   6 # ASM-NEXT: nondef:
   7 # ASM:      .symver def0, def0@@v2, remove
   8 # ASM-NEXT: .symver def1, def1@@@v2{{$}}
   9 # ASM-NEXT: def0:
  10 # ASM-NEXT: def1:
  11 # ASM:      .symver def2, def2@v1, remove
  12 # ASM-NEXT: .symver def2, def2@@v2{{$}}
  13 # ASM-NEXT: def2:
  14
  15 # CHECK:      1: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [[#]] nondef@v1
  16 # CHECK-NEXT: 2: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [[#]] def0@@v2
  17 # CHECK-NEXT: 3: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [[#]] def1@@v2
  18 # CHECK-NEXT: 4: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [[#]] def2@v1
  19 # CHECK-NEXT: 5: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [[#]] def2@@v2
  20 # CHECK-NOT:  {{.}}
  21
  22 .globl nondef
  23 .symver nondef, nondef@v1, remove
  24 nondef:
  25
  26 .globl def0, def1, def2
  27 .symver def0, def0@@v2, remove
  28 .symver def1, def1@@@v2, remove
  29 def0:
  30 def1:
  31
  32 ## Giving multiple versions to the same original symbol is not useful.
  33 ## This test just documents the behavior.
  34 .symver def2, def2@v1, remove
  35 .symver def2, def2@@v2
  36 def2: