1 files changed, 37 insertions, 1 deletions

diff --git a/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp b/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp
index c2c508dedb09..4ffbecdf2741 100644
--- a/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp
+++ b/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp
@@ -340,6 +340,15 @@ namespace clang {
           CodeGenOpts.getProfileUse() != CodeGenOptions::ProfileNone)
         Ctx.setDiagnosticsHotnessRequested(true);
 
+      if (CodeGenOpts.MisExpect) {
+        Ctx.setMisExpectWarningRequested(true);
+      }
+
+      if (CodeGenOpts.DiagnosticsMisExpectTolerance) {
+        Ctx.setDiagnosticsMisExpectTolerance(
+            CodeGenOpts.DiagnosticsMisExpectTolerance);
+      }
+
       // Link each LinkModule into our module.
       if (LinkInModules())
         return;
@@ -440,6 +449,9 @@ namespace clang {
     void OptimizationFailureHandler(
         const llvm::DiagnosticInfoOptimizationFailure &D);
     void DontCallDiagHandler(const DiagnosticInfoDontCall &D);
+    /// Specialized handler for misexpect warnings.
+    /// Note that misexpect remarks are emitted through ORE
+    void MisExpectDiagHandler(const llvm::DiagnosticInfoMisExpect &D);
   };
 
   void BackendConsumer::anchor() {}
@@ -821,6 +833,25 @@ void BackendConsumer::DontCallDiagHandler(const DiagnosticInfoDontCall &D) {
       << llvm::demangle(D.getFunctionName().str()) << D.getNote();
 }
 
+void BackendConsumer::MisExpectDiagHandler(
+    const llvm::DiagnosticInfoMisExpect &D) {
+  StringRef Filename;
+  unsigned Line, Column;
+  bool BadDebugInfo = false;
+  FullSourceLoc Loc =
+      getBestLocationFromDebugLoc(D, BadDebugInfo, Filename, Line, Column);
+
+  Diags.Report(Loc, diag::warn_profile_data_misexpect) << D.getMsg().str();
+
+  if (BadDebugInfo)
+    // If we were not able to translate the file:line:col information
+    // back to a SourceLocation, at least emit a note stating that
+    // we could not translate this location. This can happen in the
+    // case of #line directives.
+    Diags.Report(Loc, diag::note_fe_backend_invalid_loc)
+        << Filename << Line << Column;
+}
+
 /// This function is invoked when the backend needs
 /// to report something to the user.
 void BackendConsumer::DiagnosticHandlerImpl(const DiagnosticInfo &DI) {
@@ -895,6 +926,9 @@ void BackendConsumer::DiagnosticHandlerImpl(const DiagnosticInfo &DI) {
   case llvm::DK_DontCall:
     DontCallDiagHandler(cast<DiagnosticInfoDontCall>(DI));
     return;
+  case llvm::DK_MisExpect:
+    MisExpectDiagHandler(cast<DiagnosticInfoMisExpect>(DI));
+    return;
   default:
     // Plugin IDs are not bound to any value as they are set dynamically.
     ComputeDiagRemarkID(Severity, backend_plugin, DiagID);
@@ -983,6 +1017,8 @@ CodeGenAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
   if (BA != Backend_EmitNothing && !OS)
     return nullptr;
 
+  VMContext->setOpaquePointers(CI.getCodeGenOpts().OpaquePointers);
+
   // Load bitcode modules to link with, if we need to.
   if (LinkModules.empty())
     for (const CodeGenOptions::BitcodeFileToLink &F :
@@ -1113,7 +1149,7 @@ void CodeGenAction::ExecuteAction() {
   auto &CodeGenOpts = CI.getCodeGenOpts();
   auto &Diagnostics = CI.getDiagnostics();
   std::unique_ptr<raw_pwrite_stream> OS =
-      GetOutputStream(CI, getCurrentFile(), BA);
+      GetOutputStream(CI, getCurrentFileOrBufferName(), BA);
   if (BA != Backend_EmitNothing && !OS)
     return;