1 files changed, 14 insertions, 9 deletions

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index fee6bc0..9fe9a13 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -787,7 +787,8 @@ void CGDebugInfo::CreateCompileUnit() {
 
   // Create new compile unit.
   TheCU = DBuilder.createCompileUnit(
-      LangTag, CUFile, CGOpts.EmitVersionIdentMetadata ? Producer : "",
+      llvm::DISourceLanguageName(LangTag), CUFile,
+      CGOpts.EmitVersionIdentMetadata ? Producer : "",
       CGOpts.OptimizationLevel != 0 || CGOpts.PrepareForLTO ||
           CGOpts.PrepareForThinLTO,
       CGOpts.DwarfDebugFlags, RuntimeVers, CGOpts.SplitDwarfFile, EmissionKind,
@@ -899,10 +900,13 @@ llvm::DIType *CGDebugInfo::CreateType(const BuiltinType *BT) {
       assert((BT->getKind() != BuiltinType::SveCount || Info.NumVectors == 1) &&
              "Unsupported number of vectors for svcount_t");
 
-      // Debuggers can't extract 1bit from a vector, so will display a
-      // bitpattern for predicates instead.
       unsigned NumElems = Info.EC.getKnownMinValue() * Info.NumVectors;
-      if (Info.ElementType == CGM.getContext().BoolTy) {
+      llvm::Metadata *BitStride = nullptr;
+      if (BT->getKind() == BuiltinType::SveBool) {
+        Info.ElementType = CGM.getContext().UnsignedCharTy;
+        BitStride = llvm::ConstantAsMetadata::get(llvm::ConstantInt::getSigned(
+            llvm::Type::getInt64Ty(CGM.getLLVMContext()), 1));
+      } else if (BT->getKind() == BuiltinType::SveCount) {
         NumElems /= 8;
         Info.ElementType = CGM.getContext().UnsignedCharTy;
       }
@@ -928,7 +932,7 @@ llvm::DIType *CGDebugInfo::CreateType(const BuiltinType *BT) {
           getOrCreateType(Info.ElementType, TheCU->getFile());
       auto Align = getTypeAlignIfRequired(BT, CGM.getContext());
       return DBuilder.createVectorType(/*Size*/ 0, Align, ElemTy,
-                                       SubscriptArray);
+                                       SubscriptArray, BitStride);
     }
   // It doesn't make sense to generate debug info for PowerPC MMA vector types.
   // So we return a safe type here to avoid generating an error.
@@ -1232,7 +1236,7 @@ llvm::DIType *CGDebugInfo::CreateType(const PointerType *Ty,
 
 /// \return whether a C++ mangling exists for the type defined by TD.
 static bool hasCXXMangling(const TagDecl *TD, llvm::DICompileUnit *TheCU) {
-  switch (TheCU->getSourceLanguage()) {
+  switch (TheCU->getSourceLanguage().getUnversionedName()) {
   case llvm::dwarf::DW_LANG_C_plus_plus:
   case llvm::dwarf::DW_LANG_C_plus_plus_11:
   case llvm::dwarf::DW_LANG_C_plus_plus_14:
@@ -3211,8 +3215,8 @@ llvm::DIType *CGDebugInfo::CreateType(const ObjCInterfaceType *Ty,
   if (!ID)
     return nullptr;
 
-  auto RuntimeLang =
-      static_cast<llvm::dwarf::SourceLanguage>(TheCU->getSourceLanguage());
+  auto RuntimeLang = static_cast<llvm::dwarf::SourceLanguage>(
+      TheCU->getSourceLanguage().getUnversionedName());
 
   // Return a forward declaration if this type was imported from a clang module,
   // and this is not the compile unit with the implementation of the type (which
@@ -3348,7 +3352,8 @@ llvm::DIType *CGDebugInfo::CreateTypeDefinition(const ObjCInterfaceType *Ty,
   ObjCInterfaceDecl *ID = Ty->getDecl();
   llvm::DIFile *DefUnit = getOrCreateFile(ID->getLocation());
   unsigned Line = getLineNumber(ID->getLocation());
-  unsigned RuntimeLang = TheCU->getSourceLanguage();
+
+  unsigned RuntimeLang = TheCU->getSourceLanguage().getUnversionedName();
 
   // Bit size, align and offset of the type.
   uint64_t Size = CGM.getContext().getTypeSize(Ty);