llvm/test/MC/AsmParser/assembler-expressions.s

   1 # RUN: not llvm-mc -triple x86_64-unknown-unknown %s 2>&1 | FileCheck %s --check-prefix=ASM-ERR --implicit-check-not=error:
   2 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s | llvm-objdump -j .data  -s - | FileCheck %s --check-prefix=OBJDATA
   3 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s | llvm-objdump -j .text -s - | FileCheck %s --check-prefix=OBJTEXT
   4 .data
   5
   6 # OBJDATA: Contents of section .data
   7 # OBJDATA-NEXT: 0000 aa01aa05 06000000 08ff
   8
   9 foo1:
  10 # ASM-ERR: :[[#@LINE+1]]:5: error: expected absolute expression
  11 .if . - foo1 == 0
  12     .byte 0xaa
  13 .else
  14     .byte 0x00
  15 .endif
  16
  17 foo2:
  18     .byte 1
  19 # ASM-ERR: :[[#@LINE+1]]:5: error: expected absolute expression
  20 .if foo2 - . == -1
  21     .byte 0xaa
  22 .else
  23     .byte 0x00
  24 .endif
  25
  26 foo3:
  27     .byte 5
  28 # ASM-ERR: [[@LINE+1]]:5: error: expected absolute expression
  29 .if . - foo3 == 1
  30    .byte 6
  31 .else
  32    .byte 7
  33 .endif
  34
  35 foo4:
  36 .byte 0
  37 .space 2
  38 # ASM-ERR: :[[#@LINE+1]]:5: error: expected absolute expression
  39 .if . - foo4 == 3
  40     .byte 8
  41 .else
  42     .byte 9
  43 .endif
  44
  45 .byte 0xff
  46
  47 # nop is a fixed size instruction so this should pass.
  48
  49 # OBJTEXT: Contents of section .text
  50 # OBJTEXT-NEXT: 0000 909090ff 34250000 00009090 90785634
  51 # OBJTEXT-NEXT: 0010 12785634 1290
  52
  53 .text
  54 text1:
  55 # ASM-ERR: [[@LINE+1]]:5: error: expected absolute expression
  56 .if . - text1 == 0
  57         nop
  58 .endif
  59
  60 text2:
  61         nop
  62 # ASM-ERR: [[@LINE+1]]:5: error: expected absolute expression
  63 .if . - text2 == 1
  64         nop
  65 .else
  66         ret
  67 .endif
  68         push gs
  69         nop
  70         nop
  71         nop
  72 # No additional errors.
  73 #
  74 # ASM-ERR-NOT: {{[0-9]+}}:{{[0-9]+}}: error:
  75
  76
  77 text3:
  78         .long 0x12345678
  79 text4:
  80         .fill (text4-text3)/4, 4, 0x12345678
  81         nop
  82
  83
  84
  85
  86
  87