================
@@ -378,3 +379,31 @@ clang::CreateLLVMCodeGen(DiagnosticsEngine &Diags,
llvm::StringRef ModuleName,
HeaderSearchOpts, PreprocessorOpts, CGO, C,
CoverageInfo);
}
+
+namespace clang {
+namespace CodeGen {
+std::optional<std::pair<StringRef, StringRef>>
+DemangleTrapReasonInDebugInfo(StringRef FuncName) {
+ static auto TrapRegex =
+ llvm::Regex(llvm::formatv("^{0}\\$(.*)\\$(.*)$", ClangTrapPrefix).str());
+ llvm::SmallVector<llvm::StringRef, 3> Matches;
+ std::string *ErrorPtr = nullptr;
+#ifndef NDEBUG
+ std::string Error;
+ ErrorPtr = &Error;
+#endif
+ if (!TrapRegex.match(FuncName, &Matches, ErrorPtr)) {
+ assert(ErrorPtr && ErrorPtr->empty() && "Invalid regex pattern");
+ return {};
+ }
+
+ if (Matches.size() != 3) {
+ assert(0 && "Expected 3 matches from Regex::match");
----------------
Michael137 wrote:
Ah yes, missed the fact that we're asserting on consistency of the regex
itself, not the input. So yea, seems fine!
https://github.com/llvm/llvm-project/pull/165996
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