[llvm-branch-commits] [llvm] [llvm-profgen] Extend llvm-profgen to generate vtable profiles with data access events. (PR #148013)

[Mingming Liu via llvm-branch-commits]

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@@ -370,6 +377,61 @@ PerfReaderBase::create(ProfiledBinary *Binary, PerfInputFile &PerfInput,
   return PerfReader;
 }
 
+void PerfReaderBase::parseDataAccessPerfTraces(
+    StringRef DataAccessPerfTraceFile, std::optional<int32_t> PIDFilter) {
+  std::regex logRegex(
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mingmingl-llvm wrote:

done with llvm::Regex, which uses the POSIX extended regular expression format by default. The regex string literal is also simpler this way.

https://github.com/llvm/llvm-project/pull/148013