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91423d7193
YAML profile for non-simple functions without CFG is 1) useless for optimizations, 2) can't be attached, similar to fdata profile, 3) would be reported as invalid/stale even if the profile is valid. Don't attempt to attach the profile in this case, aligning the behavior to DataReader. Test Plan: added yaml-non-simple.test
72 lines
1.7 KiB
Plaintext
72 lines
1.7 KiB
Plaintext
## Check that YAML profile for non-simple function is not reported as stale.
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# RUN: split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %t/main.s -o %t.o
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# RUN: %clang %cflags %t.o -o %t.exe -nostdlib
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# RUN: llvm-bolt %t.exe -o %t.out --data %t/yaml --profile-ignore-hash -v=1 \
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# RUN: --report-stale 2>&1 | FileCheck %s
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# CHECK: BOLT-INFO: could not disassemble function main. Will ignore.
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# CHECK: BOLT-INFO: could not disassemble function main.cold. Will ignore.
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# CHECK: BOLT-INFO: 0 out of 2 functions in the binary (0.0%) have non-empty execution profile
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# CHECK: BOLT-INFO: 1 function with profile could not be optimized
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#--- main.s
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.globl main
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.type main, @function
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main:
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.cfi_startproc
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.LBB00:
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pushq %rbp
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movq %rsp, %rbp
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subq $16, %rsp
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testq %rax, %rax
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js .LBB03
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.LBB01:
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jne .LBB04
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.LBB02:
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nop
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.LBB03:
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xorl %eax, %eax
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addq $16, %rsp
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popq %rbp
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retq
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.LBB04:
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xorl %eax, %eax
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addq $16, %rsp
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popq %rbp
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retq
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.cfi_endproc
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.size main, .-main
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.globl main.cold
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.type main.cold, @function
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main.cold:
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.cfi_startproc
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nop
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.cfi_endproc
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.size main.cold, .-main.cold
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#--- yaml
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---
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header:
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profile-version: 1
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binary-name: 'yaml-non-simple.s.tmp.exe'
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binary-build-id: '<unknown>'
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profile-flags: [ lbr ]
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profile-origin: branch profile reader
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profile-events: ''
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dfs-order: false
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hash-func: xxh3
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functions:
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- name: main
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fid: 0
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hash: 0x0000000000000000
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exec: 1
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nblocks: 5
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blocks:
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- bid: 1
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insns: 1
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succ: [ { bid: 3, cnt: 1} ]
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...
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