bolt/test/AArch64/constant-island-alignment.s

   1 // This test checks that the constant island is aligned after BOLT tool.
   2 // In case the nop before .Lci will be removed the pointer to exit function
   3 // won't be alinged and the test will fail.
   4
   5 # RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown \
   6 # RUN:   %s -o %t.o
   7 # RUN: %clang %cflags -fPIC -pie %t.o -o %t.exe -Wl,-q \
   8 # RUN:    -nostartfiles -nodefaultlibs -Wl,-z,notext
   9 # RUN: llvm-bolt %t.exe -o %t.bolt --use-old-text=0 --lite=0 --trap-old-code
  10 # RUN: llvm-objdump -d --disassemble-symbols='$d' %t.bolt | FileCheck %s
  11
  12 .text
  13 .align 4
  14 .global
  15 .type dummy, %function
  16 dummy:
  17   add x0, x0, #1
  18   ret
  19
  20 .global
  21 .type exitOk, %function
  22 exitOk:
  23   mov x0, #0
  24   ret
  25
  26 .global _start
  27 .type _start, %function
  28 _start:
  29   adrp x0, .Lci
  30   ldr x0, [x0, #:lo12:.Lci]
  31   blr x0
  32   mov x0, #1
  33   ret
  34   nop
  35 # CHECK: {{0|8}} <$d>:
  36 .Lci:
  37   .xword exitOk
  38   .xword 0