[clang] [LifetimeSafety] Add statistics for missing origin (PR #166163)

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Mon Nov 3 13:50:30 PST 2025


github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- clang/include/clang/Analysis/Analyses/LifetimeSafety/LifetimeSafety.h clang/include/clang/Analysis/Analyses/LifetimeSafety/Origins.h clang/lib/Analysis/LifetimeSafety/LifetimeSafety.cpp clang/lib/Analysis/LifetimeSafety/Origins.cpp clang/lib/Sema/AnalysisBasedWarnings.cpp --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang/lib/Analysis/LifetimeSafety/LifetimeSafety.cpp b/clang/lib/Analysis/LifetimeSafety/LifetimeSafety.cpp
index 828c08d1c..8c2825de8 100644
--- a/clang/lib/Analysis/LifetimeSafety/LifetimeSafety.cpp
+++ b/clang/lib/Analysis/LifetimeSafety/LifetimeSafety.cpp
@@ -40,18 +40,19 @@ LifetimeSafetyAnalysis::LifetimeSafetyAnalysis(AnalysisDeclContext &AC,
     : AC(AC), Reporter(Reporter) {}
 
 void LifetimeSafetyAnalysis::PrintStats(llvm::raw_ostream &OS) {
-    llvm::errs() << "\n*** LifetimeSafety Missing Origin Stats "
-                    "(expression_type : count) :\n";
-    for (const auto &[expr, count] : LifetimeSafetyAnalysis::MissingOriginCount) {
-      OS << expr << " : " << count << '\n';
-    }
+  llvm::errs() << "\n*** LifetimeSafety Missing Origin Stats "
+                  "(expression_type : count) :\n";
+  for (const auto &[expr, count] : LifetimeSafetyAnalysis::MissingOriginCount) {
+    OS << expr << " : " << count << '\n';
   }
+}
 
 void LifetimeSafetyAnalysis::UpdateMissingOriginCount(const OriginManager &OM) {
-    for (const auto &[expr, missing_origin_count] : OM.getMissingOrigins()) {
-      LifetimeSafetyAnalysis::MissingOriginCount[std::string(expr)] += missing_origin_count;
-    }
+  for (const auto &[expr, missing_origin_count] : OM.getMissingOrigins()) {
+    LifetimeSafetyAnalysis::MissingOriginCount[std::string(expr)] +=
+        missing_origin_count;
   }
+}
 void LifetimeSafetyAnalysis::run() {
   llvm::TimeTraceScope TimeProfile("LifetimeSafetyAnalysis");
 

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https://github.com/llvm/llvm-project/pull/166163


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