diff --git a/llvm/lib/CodeGen/RegUsageInfoCollector.cpp b/llvm/lib/CodeGen/RegUsageInfoCollector.cpp
index ee1662a..b37dfad 100644
--- a/llvm/lib/CodeGen/RegUsageInfoCollector.cpp
+++ b/llvm/lib/CodeGen/RegUsageInfoCollector.cpp
@@ -88,6 +88,9 @@
   case CallingConv::AMDGPU_GS:
   case CallingConv::AMDGPU_PS:
   case CallingConv::AMDGPU_CS:
+  case CallingConv::AMDGPU_HS:
+  case CallingConv::AMDGPU_ES:
+  case CallingConv::AMDGPU_LS:
   case CallingConv::AMDGPU_KERNEL:
     return false;
   default: