bolt/test/X86/split-random.s

   1 # Test random function splitting option
   2
   3 # RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.o
   4 # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
   5 # RUN: llvm-bolt %t.exe -o %t.random2 --split-functions \
   6 # RUN:         --split-strategy=random2 --print-finalized \
   7 # RUN:         --print-only=two_block --bolt-seed=7 2>&1 | \
   8 # RUN:     FileCheck %s
   9 # RUN: llvm-bolt %t.exe -o %t.randomN --split-functions \
  10 # RUN:         --split-strategy=randomN --print-finalized \
  11 # RUN:         --print-only=two_block --bolt-seed=7 2>&1 | \
  12 # RUN:     FileCheck %s
  13
  14 # CHECK: Binary Function "two_block"
  15 # CHECK:   IsSplit     :
  16 # CHECK-SAME: {{ 1$}}
  17
  18         .text
  19         .globl  single_block
  20         .type   single_block, @function
  21 single_block:
  22         ret
  23         .size   single_block, .-single_block
  24
  25
  26         .globl  two_block
  27         .type   two_block, @function
  28 two_block:
  29 .L3:
  30         subl    $1, %edi
  31         testl   %edi, %edi
  32         jg      .L3
  33         jmp     .L4
  34 .L4:
  35         subl    $1, %edi
  36         subl    $1, %edi
  37         subl    $1, %edi
  38         subl    $1, %edi
  39         ret
  40         .size   two_block, .-two_block
  41
  42
  43         .globl  main
  44         .type   main, @function
  45 main:
  46         call    single_block
  47         movl    $10, %edi
  48         call    two_block
  49         ret
  50         .size   main, .-main