Upgrade old csret calling convention into sret parameter attribute.

llvm-svn: 33614

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/tools/llvm-upgrade/UpgradeInternals.h b/llvm/tools/llvm-upgrade/UpgradeInternals.h
index 5057e70be42..7a4864157fa 100644
--- a/llvm/tools/llvm-upgrade/UpgradeInternals.h
+++ b/llvm/tools/llvm-upgrade/UpgradeInternals.h
@@ -213,6 +213,13 @@ enum CastOps {
   UIToFPOp, SIToFPOp, PtrToIntOp, IntToPtrOp, BitCastOp
 };
 
+// An enumeration for the old calling conventions, ala LLVM 1.9
+namespace OldCallingConv {
+  enum ID {
+    C = 0, CSRet = 1, Fast = 8, Cold = 9, X86_StdCall = 64, X86_FastCall = 65 
+  };
+}
+
 /// An enumeration for defining the Signedness of a type or value. Signless
 /// means the signedness is not relevant to the type or value.
 enum Signedness { Signless, Unsigned, Signed };