diff --git a/include/clang/Basic/DiagnosticFrontendKinds.td b/include/clang/Basic/DiagnosticFrontendKinds.td index 20087093d0..edfca6b3c4 100644 --- a/include/clang/Basic/DiagnosticFrontendKinds.td +++ b/include/clang/Basic/DiagnosticFrontendKinds.td @@ -13,6 +13,7 @@ def err_fe_unknown_triple : Error< "unknown target triple '%0', please use -triple or -arch">; def err_fe_error_reading : Error<"error reading '%0'">; def err_fe_error_reading_stdin : Error<"error reading stdin">; +def err_fe_error_backend : Error<"error in backend: %0">, DefaultFatal; def note_fixit_applied : Note<"FIX-IT applied suggested code changes">; def note_fixit_in_macro : Note< diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp index e935baa27f..e16a91d545 100644 --- a/tools/clang-cc/clang-cc.cpp +++ b/tools/clang-cc/clang-cc.cpp @@ -58,6 +58,7 @@ #include "llvm/ADT/STLExtras.h" #include "llvm/Config/config.h" #include "llvm/Support/CommandLine.h" +#include "llvm/Support/ErrorHandling.h" #include "llvm/Support/ManagedStatic.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/PluginLoader.h" @@ -2130,6 +2131,15 @@ static void ProcessInputFile(Preprocessor &PP, PreprocessorFactory &PPF, static llvm::cl::list InputFilenames(llvm::cl::Positional, llvm::cl::desc("")); +static void LLVMErrorHandler(void *UserData, const std::string &Message) { + Diagnostic &Diags = *static_cast(UserData); + + Diags.Report(FullSourceLoc(), diag::err_fe_error_backend) << Message; + + // We cannot recover from llvm errors. + exit(1); +} + int main(int argc, char **argv) { llvm::sys::PrintStackTraceOnErrorSignal(); llvm::PrettyStackTraceProgram X(argc, argv); @@ -2208,6 +2218,11 @@ int main(int argc, char **argv) { OptNoWarnings)) return 1; + // Set an error handler, so that any LLVM backend diagnostics go through our + // error handler. + llvm::llvm_install_error_handler(LLVMErrorHandler, + static_cast(&Diags)); + // -I- is a deprecated GCC feature, scan for it and reject it. for (unsigned i = 0, e = I_dirs.size(); i != e; ++i) { if (I_dirs[i] == "-") {