test/MC/AsmParser/ifndef.s

   1 # RUN: llvm-mc -triple i386-unknown-unknown %s | FileCheck %s
   2
   3 # CHECK: .byte 1
   4 # CHECK-NOT: byte 0
   5 .ifndef undefined
   6         .byte 1
   7 .else
   8         .byte 0
   9 .endif
  10
  11 defined:
  12
  13 # CHECK-NOT: byte 0
  14 # CHECK: .byte 1
  15 .ifndef defined
  16         .byte 0
  17 .else
  18         .byte 1
  19 .endif
  20
  21         movl    %eax, undefined
  22
  23 # CHECK: .byte 1
  24 # CHECK-NOT: byte 0
  25 .ifndef undefined
  26         .byte 1
  27 .else
  28         .byte 0
  29 .endif
  30
  31 # .ifndef directive does not count as a use, so ensure redefinition is permitted
  32 .set var, 1
  33 .ifndef var
  34         .set var, 2
  35 .else
  36         .set var, 3
  37 .endif
  38 # CHECK: .byte 3
  39 .byte var
  40
  41 .set var, 4
  42 # CHECK: .byte 4
  43 .byte var