1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets/ARM.cpp b/clang/lib/Basic/Targets/ARM.cpp
index e946558759a..736c235745b 100644
--- a/clang/lib/Basic/Targets/ARM.cpp
+++ b/clang/lib/Basic/Targets/ARM.cpp
@@ -971,6 +971,8 @@ WindowsARMTargetInfo::checkCallingConvention(CallingConv CC) const {
     return CCCR_Ignore;
   case CC_C:
   case CC_OpenCLKernel:
+  case CC_PreserveMost:
+  case CC_PreserveAll:
     return CCCR_OK;
   default:
     return CCCR_Warning;