test/MC/AsmParser/altmacro_string.s

   1 # RUN: llvm-mc -triple i386-linux-gnu  %s| FileCheck %s
   2
   3 # This test checks the altmacro string delimiter '<' and '>'.
   4
   5 .altmacro
   6
   7 # Test #1:
   8 # You can delimit strings with matching angle brackets '<' '>'.
   9 # If an argument begins with '<' and ends with '>'.
  10 # The argument is considered as a string.
  11
  12 # CHECK: simpleCheck:
  13 .macro simple_check_0 name
  14     \name:
  15    addl $5,%eax
  16 .endm
  17
  18 simple_check_0 <simpleCheck>
  19
  20 # Test #2:
  21 # Except adding new string marks '<..>', a regular macro behavior is expected.
  22
  23 # CHECK:  simpleCheck0:
  24 # CHECK: addl    $0, %eax
  25 .macro concat string1 string2 string3
  26    \string1\string2\string3:
  27         addl $\string3, %eax
  28 .endm
  29
  30 concat <simple>,<Check>,<0>
  31
  32 # Test #3:
  33 # The altmacro cannot affect the regular less/greater behavior.
  34
  35 # CHECK: addl $-1, %eax
  36 # CHECK: addl $0, %eax
  37
  38 .macro fun3 arg1 arg2
  39    addl $\arg1,%eax
  40    addl $\arg2,%eax
  41 .endm
  42
  43 fun3 5<6 , 5>8
  44
  45 # Test #4:
  46 # If a comma is present inside an angle brackets,
  47 # the comma considered as a character and not as a separator.
  48 # This check checks the ability to split the string to different
  49 # arguments according to the use of the comma.
  50 # Fun2 sees the comma as a character.
  51 # Fun3 sees the comma as a separator.
  52
  53 # CHECK: addl $5, %eax
  54 # CHECK: addl $6, %eax
  55 .macro fun2 arg
  56    fun3 \arg
  57 .endm
  58
  59 fun2 <5,6>
  60
  61 # Test #5:
  62 # If argument begin with '<' and there is no '>' to close it.
  63 # A regular macro behavior is expected.
  64
  65 # CHECK: addl $4, %eax
  66 .macro fun4 arg1 arg2
  67    .if \arg2\arg1
  68    addl $\arg2,%eax
  69    .endif
  70 .endm
  71
  72 fun4 <5,4
  73 .noaltmacro