bolt/test/X86/calculate-emitted-block-size.s

   1 # Test BinaryContext::calculateEmittedSize's functionality to update
   2 # BinaryBasicBlock::OutputAddressRange in place so that the emitted size
   3 # of each basic block is given by BinaryBasicBlock::getOutputSize()
   4
   5 # RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.o
   6 # RUN: link_fdata %s %t.o %t.fdata
   7 # RUN: llvm-strip --strip-unneeded %t.o
   8 # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
   9 # RUN: llvm-bolt %t.exe -o %t.bolt --split-functions --split-strategy=all \
  10 # RUN:         --print-split --print-only=chain --print-output-address-range \
  11 # RUN:         --data=%t.fdata --reorder-blocks=ext-tsp \
  12 # RUN:     2>&1 | FileCheck --check-prefix=SPLITALL %s
  13 # RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.o
  14 # RUN: link_fdata %s %t.o %t.fdata
  15 # RUN: llvm-strip --strip-unneeded %t.o
  16 # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
  17 # RUN: llvm-bolt %t.exe -o %t.bolt --split-functions --print-split \
  18 # RUN:         --print-only=chain --print-output-address-range \
  19 # RUN:         --data=%t.fdata --reorder-blocks=ext-tsp \
  20 # RUN:     2>&1 | FileCheck --check-prefix=SPLITHOTCOLD %s
  21
  22 # SPLITALL: {{^\.LBB00}}
  23 # SPLITALL: Output Address Range: [0x0, 0x12) (18 bytes)
  24 # SPLITALL: {{^\.LFT0}}
  25 # SPLITALL: Output Address Range: [0x0, 0xa) (10 bytes)
  26 # SPLITALL: {{^\.Ltmp1}}
  27 # SPLITALL: Output Address Range: [0x0, 0x2) (2 bytes)
  28 # SPLITALL: {{^\.Ltmp0}}
  29 # SPLITALL: Output Address Range: [0x0, 0x10) (16 bytes)
  30 # SPLITALL: {{^\.Ltmp2}}
  31 # SPLITALL: Output Address Range: [0x0, 0x8) (8 bytes)
  32 # SPLITALL: {{^\.LFT1}}
  33 # SPLITALL: Output Address Range: [0x0, 0x8) (8 bytes)
  34
  35 # SPLITHOTCOLD: {{^\.LBB00}}
  36 # SPLITHOTCOLD: Output Address Range: [0x0, 0x9) (9 bytes)
  37 # SPLITHOTCOLD: {{^\.LFT0}}
  38 # SPLITHOTCOLD: Output Address Range: [0x9, 0xe) (5 bytes)
  39 # SPLITHOTCOLD: {{^\.Ltmp1}}
  40 # SPLITHOTCOLD: Output Address Range: [0xe, 0x10) (2 bytes)
  41 # SPLITHOTCOLD: {{^\.Ltmp0}}
  42 # SPLITHOTCOLD: Output Address Range: [0x10, 0x1b) (11 bytes)
  43 # SPLITHOTCOLD: {{^\.Ltmp2}}
  44 # SPLITHOTCOLD: Output Address Range: [0x1b, 0x20) (5 bytes)
  45 # SPLITHOTCOLD: {{^\.LFT1}}
  46 # SPLITHOTCOLD: Output Address Range: [0x0, 0x8) (8 bytes)
  47
  48         .text
  49         .globl  chain
  50         .type   chain, @function
  51 chain:
  52         pushq   %rbp
  53         movq    %rsp, %rbp
  54         cmpl    $2, %edi
  55 LLentry_LLchain_start:
  56         jge     LLchain_start
  57 # FDATA: 1 chain #LLentry_LLchain_start# 1 chain #LLchain_start# 0 10
  58 # FDATA: 1 chain #LLentry_LLchain_start# 1 chain #LLfast# 0 500
  59 LLfast:
  60         movl    $5, %eax
  61 LLfast_LLexit:
  62         jmp     LLexit
  63 # FDATA: 1 chain #LLfast_LLexit# 1 chain #LLexit# 0 500
  64 LLchain_start:
  65         movl    $10, %eax
  66 LLchain_start_LLchain1:
  67         jge     LLchain1
  68 # FDATA: 1 chain #LLchain_start_LLchain1# 1 chain #LLchain1# 0 10
  69 # FDATA: 1 chain #LLchain_start_LLchain1# 1 chain #LLcold# 0 0
  70 LLcold:
  71         addl    $1, %eax
  72 LLchain1:
  73         addl    $1, %eax
  74 LLchain1_LLexit:
  75         jmp     LLexit
  76 # FDATA: 1 chain #LLchain1_LLexit# 1 chain #LLexit# 0 10
  77 LLexit:
  78         popq    %rbp
  79         ret
  80 LLchain_end:
  81         .size   chain, LLchain_end-chain
  82
  83
  84         .globl  main
  85         .type   main, @function
  86 main:
  87         pushq   %rbp
  88         movq    %rsp, %rbp
  89         movl    $1, %edi
  90 LLmain_chain1:
  91         call    chain
  92 # FDATA: 1 main #LLmain_chain1# 1 chain 0 0 500
  93         movl    $4, %edi
  94 LLmain_chain2:
  95         call    chain
  96 # FDATA: 1 main #LLmain_chain2# 1 chain 0 0 10
  97         xorl    %eax, %eax
  98         popq    %rbp
  99         retq
 100 .Lmain_end:
 101         .size   main, .Lmain_end-main