Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/lib/Target/SystemZ/SystemZCallingConv.cpp

@@ -0,0 +1,21 @@
+//===-- SystemZCallingConv.cpp - Calling conventions for SystemZ ----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SystemZCallingConv.h"
+#include "SystemZRegisterInfo.h"
+
+using namespace llvm;
+
+const MCPhysReg SystemZ::ArgGPRs[SystemZ::NumArgGPRs] = {
+  SystemZ::R2D, SystemZ::R3D, SystemZ::R4D, SystemZ::R5D, SystemZ::R6D
+};
+
+const MCPhysReg SystemZ::ArgFPRs[SystemZ::NumArgFPRs] = {
+  SystemZ::F0D, SystemZ::F2D, SystemZ::F4D, SystemZ::F6D
+};