TheRock/compiler/amd-llvm/bolt/test/X86/match-functions-with-calls-as-anchors.test

## Tests blocks matching by called function names in inferStaleProfile.

# REQUIRES: system-linux, asserts
# RUN: split-file %s %t
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %t/main.s -o %t.o
# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q -nostdlib
# RUN: llvm-bolt %t.exe -o %t.out --data %t/yaml --profile-ignore-hash -v=1 \
# RUN:   --dyno-stats --print-cfg --infer-stale-profile=1 --debug-only=bolt-prof \
# RUN:   2>&1 | FileCheck %s

# CHECK: BOLT-INFO: applying profile inference for "qux"
# CHECK: Matched yaml block (bid = 1) with hash 4 to BB (index = 0) with hash 314e1bc10000
# CHECK:  call match

# CHECK: BOLT-INFO: applying profile inference for "fred"
# CHECK: Matched yaml block (bid = 1) with hash 5 to BB (index = 0) with hash 7541bc10000
# CHECK:  call match

#--- main.s
.globl  foo                         # -- Begin function foo
  .p2align        4, 0x90
  .type   foo,@function
foo:                                # @foo
# %bb.0:
  pushq   %rbp
  movq    %rsp, %rbp
  popq    %rbp
  retq
.Lfunc_end0:
  .size   foo, .Lfunc_end0-foo
                                      # -- End function
  .globl  bar                         # -- Begin function bar
  .p2align        4, 0x90
  .type   bar,@function
bar:                                # @bar
# %bb.0:
  pushq   %rbp
  movq    %rsp, %rbp
  popq    %rbp
  retq
.Lfunc_end1:
  .size   bar, .Lfunc_end1-bar
                                      # -- End function
  .globl  qux                         # -- Begin function qux
  .p2align        4, 0x90
  .type   qux,@function
qux:                                # @qux
# %bb.0:
  pushq   %rbp
  movq    %rsp, %rbp
  callq   foo
  callq   bar
  popq    %rbp
  retq
.Lfunc_end2:
  .size   qux, .Lfunc_end2-qux
                                      # -- End function
  .globl  fred                        # -- Begin function fred
  .p2align        4, 0x90
  .type   fred,@function
fred:                               # @fred
# %bb.0:
  pushq   %rbp
  movq    %rsp, %rbp
  callq   foo
  callq   qux
  callq   bar
  callq   bar
  callq   foo
  popq    %rbp
  retq
.Lfunc_end3:
  .size   fred, .Lfunc_end3-fred
                                          # -- End function
  .globl  main                            # -- Begin function main
  .p2align        4, 0x90
  .type   main,@function
main:                                   # @main
# %bb.0:
  pushq   %rbp
  movq    %rsp, %rbp
  xorl    %eax, %eax
  popq    %rbp
  retq
.Lfunc_end4:
  .size   main, .Lfunc_end4-main
                                  # -- End function
  .addrsig
  .addrsig_sym foo
  .addrsig_sym bar
  .addrsig_sym qux

#--- yaml
---
header:
  profile-version: 1
  binary-name:     'match-functions-with-calls-as-anchors.s.tmp.exe'
  binary-build-id: '<unknown>'
  profile-flags:   [ lbr ]
  profile-origin:  branch profile reader
  profile-events:  ''
  dfs-order:       false
  hash-func:       xxh3
functions:
  - name:            main
    fid:             0
    hash:            0x0000000000000001
    exec:            1
    nblocks:         6
    blocks:
      - bid:             1
        hash:            0x0000000000000001
        insns:           1
        succ:            [ { bid: 3, cnt: 1} ]
  - name:            foo
    fid:             1
    hash:            0x0000000000000002
    exec:            1
    nblocks:         6
    blocks:
      - bid:             1
        hash:            0x0000000000000002
        insns:           1
        succ:            [ { bid: 3, cnt: 1} ]

  - name:            bar
    fid:             2
    hash:            0x0000000000000003
    exec:            1
    nblocks:         6
    blocks:
      - bid:             1
        hash:            0x0000000000000003
        insns:           1
        succ:            [ { bid: 3, cnt: 1} ]
  - name:            qux
    fid:             3
    hash:            0x0000000000000004
    exec:            4
    nblocks:         6
    blocks:
      - bid:             1
        hash:            0x0000000000000004
        insns:           1
        succ:            [ { bid: 3, cnt: 1} ]
        calls:           [ { off : 0, fid : 1, cnt : 0},
                           { off : 0, fid : 2, cnt : 0} ]
  - name:            fred
    fid:             4
    hash:            0x0000000000000005
    exec:            1
    nblocks:         6
    blocks:
      - bid:             1
        hash:            0x0000000000000005
        insns:           1
        succ:            [ { bid: 3, cnt: 1} ]
        calls:           [ { off : 0, fid : 3, cnt : 0},
                           { off : 0, fid : 1, cnt : 0},
                           { off : 0, fid : 2, cnt : 0},
                           { off : 0, fid : 1, cnt : 0},
                           { off : 0, fid : 2, cnt : 0} ]
...