diff --git a/llvm/include/llvm/IR/Intrinsics.td b/llvm/include/llvm/IR/Intrinsics.td
--- a/llvm/include/llvm/IR/Intrinsics.td
+++ b/llvm/include/llvm/IR/Intrinsics.td
@@ -1730,6 +1730,12 @@
                                          [llvm_anyvector_ty]>;
 }
 
+//===----- Complex math intrinsics ----------------------------------------===//
+
+def int_complex_multiply: DefaultAttrsIntrinsic<[llvm_anyvector_ty],
+                                                [LLVMMatchType<0>,LLVMMatchType<0>],
+                                                [IntrNoMem]>;
+
 //===----- Matrix intrinsics ---------------------------------------------===//
 
 def int_matrix_transpose