Enable variable arguments support for intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193766 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 29 insertions, 0 deletions

diff --git a/test/TableGen/intrinsic-varargs.td b/test/TableGen/intrinsic-varargs.td
new file mode 100644
index 0000000000..ec1fd35829
--- /dev/null
+++ b/test/TableGen/intrinsic-varargs.td
@@ -0,0 +1,29 @@
+// RUN: llvm-tblgen -gen-intrinsic %s | FileCheck %s
+
+class IntrinsicProperty;
+
+class ValueType<int size, int value> {
+  string Namespace = "MVT";
+  int Size = size;
+  int Value = value;
+}
+
+class LLVMType<ValueType vt> {
+  ValueType VT = vt;
+}
+
+class Intrinsic<string name, list<LLVMType> param_types = []> {
+  string LLVMName = name;
+  bit isTarget = 0;
+  string TargetPrefix = "";
+  list<LLVMType> RetTypes = [];
+  list<LLVMType> ParamTypes = param_types;
+  list<IntrinsicProperty> Properties = [];
+}
+
+// isVoid needs to match the definition in ValueTypes.td
+def isVoid : ValueType<0, 56>;   // Produces no value
+def llvm_vararg_ty : LLVMType<isVoid>;   // this means vararg here
+
+// CHECK: /* 0 */ 0, 27, 0,
+def int_foo : Intrinsic<"llvm.foo", [llvm_vararg_ty]>;