[SystemZ] Add GHC calling convention

This is a special calling convention to be used by the GHC compiler.

Author: Stefan Schulze Frielinghaus
Differential Revision: https://reviews.llvm.org/D69024

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Target/SystemZ/SystemZCallingConv.h b/llvm/lib/Target/SystemZ/SystemZCallingConv.h
index 82f29b6361f..4432adc6a26 100644
--- a/llvm/lib/Target/SystemZ/SystemZCallingConv.h
+++ b/llvm/lib/Target/SystemZ/SystemZCallingConv.h
@@ -124,6 +124,13 @@ inline bool CC_SystemZ_I128Indirect(unsigned &ValNo, MVT &ValVT,
   return true;
 }
 
+inline bool CC_SystemZ_GHC_Error(unsigned &, MVT &, MVT &,
+                                 CCValAssign::LocInfo &, ISD::ArgFlagsTy &,
+                                 CCState &) {
+  report_fatal_error("No registers left in GHC calling convention");
+  return false;
+}
+
 } // end namespace llvm
 
 #endif