bolt/test/X86/split-all.s

   1 # Test split all block strategy
   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.bolt --split-functions --split-strategy=all \
   6 # RUN:         --print-split --print-only=chain \
   7 # RUN:     2>&1 | FileCheck %s
   8
   9 # CHECK: Binary Function "chain"
  10 # CHECK:   IsSplit     :
  11 # CHECK-SAME: {{ 1$}}
  12 # CHECK: {{^\.LBB00}}
  13 # CHECK: -------   HOT-COLD SPLIT POINT   -------
  14 # CHECK: {{^\.LFT0}}
  15 # CHECK: -------   HOT-COLD SPLIT POINT   -------
  16 # CHECK: {{^\.Ltmp0}}
  17 # CHECK: -------   HOT-COLD SPLIT POINT   -------
  18 # CHECK: {{^\.Ltmp2}}
  19 # CHECK: -------   HOT-COLD SPLIT POINT   -------
  20 # CHECK: {{^\.Ltmp3}}
  21 # CHECK: -------   HOT-COLD SPLIT POINT   -------
  22 # CHECK: {{^\.Ltmp4}}
  23 # CHECK: -------   HOT-COLD SPLIT POINT   -------
  24 # CHECK: {{^\.Ltmp5}}
  25 # CHECK: -------   HOT-COLD SPLIT POINT   -------
  26 # CHECK: {{^\.Ltmp1}}
  27 # CHECK: End of Function "chain"
  28
  29         .text
  30         .globl  chain
  31         .type   chain, @function
  32 chain:
  33 .Lchain_entry:
  34         pushq   %rbp
  35         movq    %rsp, %rbp
  36         cmpl    $2, %edi
  37         jge     .Lchain_start
  38 .Lfast:
  39         movl    $5, %eax
  40         jmp     .Lexit
  41 .Lchain_start:
  42         movl    $10, %eax
  43         jmp     .Lchain1
  44 .Lchain1:
  45         addl    $1, %eax
  46         jmp     .Lchain2
  47 .Lchain2:
  48         addl    $1, %eax
  49         jmp     .Lchain3
  50 .Lchain3:
  51         addl    $1, %eax
  52         addl    $1, %eax
  53         addl    $1, %eax
  54         addl    $1, %eax
  55         addl    $1, %eax
  56         jmp     .Lchain4
  57 .Lchain4:
  58         addl    $1, %eax
  59         addl    $1, %eax
  60         addl    $1, %eax
  61         addl    $1, %eax
  62         addl    $1, %eax
  63         jmp     .Lexit
  64 .Lexit:
  65         popq    %rbp
  66         ret
  67 .Lchain_end:
  68         .size   chain, .Lchain_end-chain
  69
  70
  71         .globl  main
  72         .type   main, @function
  73 main:
  74         pushq   %rbp
  75         movq    %rsp, %rbp
  76         movl    $1, %edi
  77         call    chain
  78         movl    $4, %edi
  79         call    chain
  80         xorl    %eax, %eax
  81         popq    %rbp
  82         retq
  83 .Lmain_end:
  84         .size   main, .Lmain_end-main