1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrRef.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrRef.td
new file mode 100644
index 000000000000..afe89de60b36
--- /dev/null
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrRef.td
@@ -0,0 +1,25 @@
+// WebAssemblyInstrRef.td - WebAssembly reference type codegen --*- tablegen -*-
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// WebAssembly refence type operand codegen constructs.
+///
+//===----------------------------------------------------------------------===//
+
+defm SELECT_EXNREF : I<(outs EXNREF:$dst),
+                       (ins EXNREF:$lhs, EXNREF:$rhs, I32:$cond),
+                       (outs), (ins),
+                       [(set EXNREF:$dst,
+                         (select I32:$cond, EXNREF:$lhs, EXNREF:$rhs))],
+                       "exnref.select\t$dst, $lhs, $rhs, $cond",
+                       "exnref.select", 0x1b>;
+
+def : Pat<(select (i32 (setne I32:$cond, 0)), EXNREF:$lhs, EXNREF:$rhs),
+          (SELECT_EXNREF EXNREF:$lhs, EXNREF:$rhs, I32:$cond)>;
+def : Pat<(select (i32 (seteq I32:$cond, 0)), EXNREF:$lhs, EXNREF:$rhs),
+          (SELECT_EXNREF EXNREF:$rhs, EXNREF:$lhs, I32:$cond)>;