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## Tests blocks matching by called function names in inferStaleProfile.
# REQUIRES: system-linux
# 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 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: loose 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: loose 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} ]
...
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