| ## This reproduces a bug where profile collected from perf without LBRs and |
| ## converted into fdata-no-lbr format is reported to not contain profile for any |
| ## functions. |
| |
| # REQUIRES: system-linux |
| |
| # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \ |
| # RUN: %s -o %t.o |
| # RUN: link_fdata --no-lbr %s %t.o %t.fdata |
| # RUN: FileCheck %s --input-file %t.fdata --check-prefix=CHECK-FDATA |
| # RUN: llvm-strip --strip-unneeded %t.o |
| # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q -nostdlib |
| # RUN: llvm-bolt %t.exe -o %t.out --data %t.fdata --dyno-stats -ba \ |
| # RUN: --print-only=_start 2>&1 | FileCheck %s --check-prefix=CHECK-BOLT |
| |
| # CHECK-FDATA: no_lbr |
| # CHECK-FDATA-NEXT: 1 _start [[#]] 1 |
| |
| # CHECK-BOLT: BOLT-INFO: pre-processing profile using branch profile reader |
| # CHECK-BOLT: BOLT-INFO: operating with basic samples profiling data (no brstack). |
| # CHECK-BOLT: BOLT-INFO: 1 out of 1 functions in the binary (100.0%) have non-empty execution profile |
| |
| .globl _start |
| .type _start, %function |
| _start: |
| pushq %rbp |
| movq %rsp, %rbp |
| cmpl $0x0, %eax |
| a: |
| # FDATA: 1 _start #a# 1 |
| je b |
| movl $0x0, %eax |
| jmp c |
| b: |
| movl $0x1, %eax |
| c: |
| popq %rbp |
| retq |
| .size _start, .-_start |
