llvm/test/MC/X86/align-via-padding-corner.s

   1   # RUN: llvm-mc -mcpu=skylake -filetype=obj -triple x86_64-pc-linux-gnu %s -x86-pad-max-prefix-size=5 -x86-pad-for-align=1 | llvm-objdump -d - | FileCheck %s
   2
   3
   4   # The first test check the correctness cornercase - can't add prefixes on a
   5   # instruction following by a prefix.
   6   .globl labeled_prefix_test
   7 labeled_prefix_test:
   8 # CHECK:       0: 2e 2e 2e 2e 2e e9 06 00 00 00    jmp
   9 # CHECK:       a: 3e e9 00 00 00 00                jmp
  10   jmp bar
  11   DS
  12   jmp bar
  13   .p2align 4
  14 bar:
  15   ret
  16
  17   # The second test is similar to the second test - can't add prefixes on a
  18   # instruction following by hardcode.
  19   .p2align 5
  20   .globl labeled_hardcode_test
  21 labeled_hardcode_test:
  22 # CHECK:      20: 2e 2e 2e 2e 2e e9 06 00 00 00    jmp
  23 # CHECK:      2a: 3e e9 00 00 00 00                jmp
  24   jmp baz
  25   .byte 0x3e
  26   jmp baz
  27   .p2align 4
  28 baz:
  29   ret