[llvm] [NFC][SampleFDO] In text sample prof reader, report dreport more concrete parsing errors for different line types (PR #154885)

Sat Aug 23 14:46:13 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-m68k-linux-cross` running on `suse-gary-m68k-cross` while building `llvm` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/15047

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'LLVM :: Transforms/SampleProfile/syntax.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt < /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/syntax.prof 2>&1 | /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=NO-DEBUG /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll # RUN: at line 2
+ /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/syntax.prof
+ /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=NO-DEBUG /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll
not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt < /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll -passes=sample-profile -sample-profile-file=missing.prof 2>&1 | /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=MISSING-FILE /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll # RUN: at line 3
+ not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt -passes=sample-profile -sample-profile-file=missing.prof
+ /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=MISSING-FILE /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll
not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt < /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_fn_header.prof 2>&1 | /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-FN-HEADER /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll # RUN: at line 4
+ not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_fn_header.prof
+ /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-FN-HEADER /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll
not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt < /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_sample_line.prof 2>&1 | /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-SAMPLE-LINE /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll # RUN: at line 5
+ not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_sample_line.prof
+ /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-SAMPLE-LINE /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll
not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt < /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_line_values.prof 2>&1 | /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-LINE-VALUES /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll # RUN: at line 6
+ not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_line_values.prof
+ /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-LINE-VALUES /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll
not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt < /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_discriminator_value.prof 2>&1 | /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-DISCRIMINATOR-VALUE /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll # RUN: at line 7
+ not /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/opt -passes=sample-profile -sample-profile-file=/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_discriminator_value.prof
+ /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck -check-prefix=BAD-DISCRIMINATOR-VALUE /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll:23:28: error: BAD-DISCRIMINATOR-VALUE: expected string not found in input
; BAD-DISCRIMINATOR-VALUE: error: {{.*}}bad_discriminator_value.prof:2: Expected 'NUM[.NUM]: NUM[ mangled_name:NUM]*', found 1.-3: 10
                           ^
<stdin>:1:1: note: scanning from here
error: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_discriminator_value.prof:2: Cannot parse metadata: 1.-3: 10
^

Input file: <stdin>
Check file: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/syntax.ll

-dump-input=help explains the following input dump.

Input was:
<<<<<<
          1: error: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/Transforms/SampleProfile/Inputs/bad_discriminator_value.prof:2: Cannot parse metadata: 1.-3: 10 
check:23     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
>>>>>>

--

********************

```

</details>

https://github.com/llvm/llvm-project/pull/154885