[llvm] [CI] Send Platform Along with Failure Information (PR #163817)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/163817

To enable disambiguating the platform later when we look at identifying tests failing at HEAD/flaky tests.

>From 0421368f43fc6208432e9f00e59b3b6287c23873 Mon Sep 17 00:00:00 2001
From: Aiden Grossman <aidengrossman at google.com>
Date: Thu, 16 Oct 2025 16:16:29 +0000
Subject: [PATCH] [CI] Send Platform Along with Failure Information

To enable disambiguating the platform later when we look at identifying
tests failing at HEAD/flaky tests.
---
 .ci/premerge_advisor_upload.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.ci/premerge_advisor_upload.py b/.ci/premerge_advisor_upload.py
index 84214f8a6d7ef..398fe1fa8ce96 100644
--- a/.ci/premerge_advisor_upload.py
+++ b/.ci/premerge_advisor_upload.py
@@ -23,11 +23,13 @@ def main(commit_sha, workflow_run_number, build_log_files):
     )
     test_failures = generate_test_report_lib.get_failures(junit_objects)
     source = "pull_request" if "GITHUB_ACTIONS" in os.environ else "postcommit"
+    current_platform = f"{platform.system()}-{platform.machine()}".lower()
     failure_info = {
         "source_type": source,
         "base_commit_sha": commit_sha,
         "source_id": workflow_run_number,
         "failures": [],
+        "platform": current_platform
     }
     if test_failures:
         for name, failure_message in test_failures: