1 files changed, 17 insertions, 8 deletions
diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index 40b1e086ddd0..688141b30441 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -3994,7 +3994,8 @@ void CXXNameMangler::mangleAArch64FixedSveVectorType(
 }
 
 void CXXNameMangler::mangleRISCVFixedRVVVectorType(const VectorType *T) {
-  assert(T->getVectorKind() == VectorKind::RVVFixedLengthData &&
+  assert((T->getVectorKind() == VectorKind::RVVFixedLengthData ||
+          T->getVectorKind() == VectorKind::RVVFixedLengthMask) &&
          "expected fixed-length RVV vector!");
 
   QualType EltType = T->getElementType();
@@ -4009,7 +4010,10 @@ void CXXNameMangler::mangleRISCVFixedRVVVectorType(const VectorType *T) {
     TypeNameOS << "int8";
     break;
   case BuiltinType::UChar:
-    TypeNameOS << "uint8";
+    if (T->getVectorKind() == VectorKind::RVVFixedLengthData)
+      TypeNameOS << "uint8";
+    else
+      TypeNameOS << "bool";
     break;
   case BuiltinType::Short:
     TypeNameOS << "int16";
@@ -4048,12 +4052,16 @@ void CXXNameMangler::mangleRISCVFixedRVVVectorType(const VectorType *T) {
   auto VScale = getASTContext().getTargetInfo().getVScaleRange(
       getASTContext().getLangOpts());
   unsigned VLen = VScale->first * llvm::RISCV::RVVBitsPerBlock;
-  TypeNameOS << 'm';
-  if (VecSizeInBits >= VLen)
-    TypeNameOS << (VecSizeInBits / VLen);
-  else
-    TypeNameOS << 'f' << (VLen / VecSizeInBits);
 
+  if (T->getVectorKind() == VectorKind::RVVFixedLengthData) {
+    TypeNameOS << 'm';
+    if (VecSizeInBits >= VLen)
+      TypeNameOS << (VecSizeInBits / VLen);
+    else
+      TypeNameOS << 'f' << (VLen / VecSizeInBits);
+  } else {
+    TypeNameOS << (VLen / VecSizeInBits);
+  }
   TypeNameOS << "_t";
 
   Out << "9__RVV_VLSI" << 'u' << TypeNameStr.size() << TypeNameStr << "Lj"
@@ -4093,7 +4101,8 @@ void CXXNameMangler::mangleType(const VectorType *T) {
              T->getVectorKind() == VectorKind::SveFixedLengthPredicate) {
     mangleAArch64FixedSveVectorType(T);
     return;
-  } else if (T->getVectorKind() == VectorKind::RVVFixedLengthData) {
+  } else if (T->getVectorKind() == VectorKind::RVVFixedLengthData ||
+             T->getVectorKind() == VectorKind::RVVFixedLengthMask) {
     mangleRISCVFixedRVVVectorType(T);
     return;
   }