test/MC/AsmParser/macro-max-depth.s

   1 // RUN: llvm-mc -triple x86_64-unknown-unknown -asm-macro-max-nesting-depth=42 %s | FileCheck %s -check-prefix=CHECK_PASS
   2 // RUN: not llvm-mc -triple x86_64-unknown-unknown %s 2> %t
   3 // RUN: FileCheck -check-prefix=CHECK_FAIL < %t %s
   4
   5 .macro rec head, tail:vararg
   6  .ifnb \tail
   7  rec \tail
   8  .else
   9  .long 42
  10  .endif
  11 .endm
  12
  13 .macro amplify macro, args:vararg
  14  \macro  \args \args \args \args
  15 .endm
  16
  17 amplify rec 0 0 0 0 0 0 0 0 0 0
  18
  19 // CHECK_PASS: .long 42
  20 // CHECK_FAIL: error: macros cannot be nested more than {{[0-9]+}} levels deep. Use -asm-macro-max-nesting-depth to increase this limit.