bolt/test/runtime/X86/three-way-branch-pass.s

   1 # REQUIRES: system-linux
   2
   3 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
   4 # RUN:   %s -o %t.o
   5 # RUN: link_fdata %s %t.o %t.fdata
   6 # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
   7 # RUN: llvm-bolt %t.exe --data %t.fdata --print-finalized \
   8 # RUN: -o %t.out --three-way-branch | FileCheck %s
   9 # RUN: %t.exe
  10 # RUN: %t.out
  11
  12 # FDATA: 1 main 8 1 main a 0 22
  13 # FDATA: 1 main 8 1 main #.BB1# 0 50
  14 # FDATA: 1 main 12 1 main 14 0 30
  15 # FDATA: 1 main 12 1 main #.BB2# 0 40
  16 # CHECK: Successors: .Ltmp1 (mispreds: 0, count: 40), .Ltmp0 (mispreds: 0, count: 52)
  17 # CHECK: Successors: .LFT0 (mispreds: 0, count: 22), .LFT1 (mispreds: 0, count: 30)
  18
  19     .text
  20     .globl main
  21     .type main, %function
  22     .size main, .Lend-main
  23 main:
  24     mov $0x0, %eax
  25     cmp $0x1, %eax
  26     jge .BB1
  27     mov $0xf, %eax
  28     xor %eax, %eax
  29     retq
  30 .BB1:
  31     jg .BB2
  32     retq
  33 .BB2:
  34     mov $0x7, %eax
  35     retq
  36 .Lend: