test/MC/ARM/comment.s

   1 @ Tests to check that '@' does not get lexed as an identifier for arm
   2 @ RUN: llvm-mc %s -triple=armv7-linux-gnueabi  | FileCheck %s
   3 @ RUN: llvm-mc %s -triple=armv7-linux-gnueabi 2>&1 | FileCheck %s --check-prefix=ERROR
   4
   5 foo:
   6   bl boo@plt should be ignored
   7   bl goo@plt
   8   .long bar@got to parse this as a comment
   9   .long baz@got
  10   add r0, r0@ignore this extra junk
  11
  12 @ the symver directive should allow @ in the second symbol name
  13 defined1:
  14 defined2:
  15 defined3:
  16 bar:
  17   .symver defined1, bar1@zed
  18   .symver defined2, bar3@@zed
  19   .symver defined3, bar5@@@zed
  20
  21 far:
  22   .long baz@got
  23
  24 @CHECK-LABEL: foo:
  25 @CHECK: bl boo
  26 @CHECK-NOT: @
  27 @CHECK: bl goo
  28 @CHECK-NOT: @
  29 @CHECK: .long bar
  30 @CHECK-NOT: @
  31 @CHECK: .long baz
  32 @CHECK-NOT: @
  33 @CHECK: add r0, r0
  34 @CHECK-NOT: @
  35
  36 @CHECK-LABEL: bar:
  37 @CHECK: .symver defined1, bar1@zed
  38 @CHECK: .symver defined2, bar3@@zed
  39 @CHECK: .symver defined3, bar5@@@zed
  40
  41 @ Make sure we did not mess up the parser state and it still lexes
  42 @ comments correctly by excluding the @ in normal symbols
  43 @CHECK-LABEL: far:
  44 @CHECK:  .long baz
  45 @CHECK-NOT: @
  46
  47 @ERROR-NOT: error: