2 files changed, 23 insertions, 2 deletions
diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index 0cae52a299f..725b08a422a 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -3799,7 +3799,14 @@ static void handleCallConvAttr(Sema &S, Decl *D, const AttributeList &Attr) {
                IntelOclBiccAttr(Attr.getRange(), S.Context,
                                 Attr.getAttributeSpellingListIndex()));
     return;
-
+  case AttributeList::AT_PreserveMost:
+    D->addAttr(::new (S.Context) PreserveMostAttr(
+        Attr.getRange(), S.Context, Attr.getAttributeSpellingListIndex()));
+    return;
+  case AttributeList::AT_PreserveAll:
+    D->addAttr(::new (S.Context) PreserveAllAttr(
+        Attr.getRange(), S.Context, Attr.getAttributeSpellingListIndex()));
+    return;
   default:
     llvm_unreachable("unexpected attribute kind");
   }
@@ -3857,6 +3864,8 @@ bool Sema::CheckCallingConvAttr(const AttributeList &attr, CallingConv &CC,
     return true;
   }
   case AttributeList::AT_IntelOclBicc: CC = CC_IntelOclBicc; break;
+  case AttributeList::AT_PreserveMost: CC = CC_PreserveMost; break;
+  case AttributeList::AT_PreserveAll: CC = CC_PreserveAll; break;
   default: llvm_unreachable("unexpected attribute kind");
   }
 
@@ -5655,6 +5664,8 @@ static void ProcessDeclAttribute(Sema &S, Scope *scope, Decl *D,
   case AttributeList::AT_SysVABI:
   case AttributeList::AT_Pcs:
   case AttributeList::AT_IntelOclBicc:
+  case AttributeList::AT_PreserveMost:
+  case AttributeList::AT_PreserveAll:
     handleCallConvAttr(S, D, Attr);
     break;
   case AttributeList::AT_OpenCLKernel:
diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index 73c5bcc0067..924cd07e021 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -112,7 +112,9 @@ static void diagnoseBadTypeAttribute(Sema &S, const AttributeList &attr,
     case AttributeList::AT_MSABI: \
     case AttributeList::AT_SysVABI: \
     case AttributeList::AT_Pcs: \
-    case AttributeList::AT_IntelOclBicc
+    case AttributeList::AT_IntelOclBicc: \
+    case AttributeList::AT_PreserveMost: \
+    case AttributeList::AT_PreserveAll
 
 // Function type attributes.
 #define FUNCTION_TYPE_ATTRS_CASELIST \
@@ -4639,6 +4641,10 @@ static AttributeList::Kind getAttrListKind(AttributedType::Kind kind) {
     return AttributeList::AT_MSABI;
   case AttributedType::attr_sysv_abi:
     return AttributeList::AT_SysVABI;
+  case AttributedType::attr_preserve_most:
+    return AttributeList::AT_PreserveMost;
+  case AttributedType::attr_preserve_all:
+    return AttributeList::AT_PreserveAll;
   case AttributedType::attr_ptr32:
     return AttributeList::AT_Ptr32;
   case AttributedType::attr_ptr64:
@@ -5974,6 +5980,10 @@ static AttributedType::Kind getCCTypeAttrKind(AttributeList &Attr) {
     return AttributedType::attr_ms_abi;
   case AttributeList::AT_SysVABI:
     return AttributedType::attr_sysv_abi;
+  case AttributeList::AT_PreserveMost:
+    return AttributedType::attr_preserve_most;
+  case AttributeList::AT_PreserveAll:
+    return AttributedType::attr_preserve_all;
   }
   llvm_unreachable("unexpected attribute kind!");
 }