1 files changed, 31 insertions, 0 deletions
diff --git a/llvm/lib/Target/SPIRV/SPIRVInstrFormats.td b/llvm/lib/Target/SPIRV/SPIRVInstrFormats.td
new file mode 100644
index 000000000000..c78c8ee11590
--- /dev/null
+++ b/llvm/lib/Target/SPIRV/SPIRVInstrFormats.td
@@ -0,0 +1,31 @@
+//===-- SPIRVInstrFormats.td - SPIR-V Instruction Formats --*- 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
+//
+//===----------------------------------------------------------------------===//
+
+def StringImm: Operand<i32>{
+  let PrintMethod="printStringImm";
+}
+
+class Op<bits<16> Opcode, dag outs, dag ins, string asmstr, list<dag> pattern = []>
+  : Instruction {
+  field bits<16> Inst;
+
+  let Inst = Opcode;
+
+  let Namespace = "SPIRV";
+  let DecoderNamespace = "SPIRV";
+
+  dag OutOperandList = outs;
+  dag InOperandList = ins;
+  let AsmString = asmstr;
+  let Pattern = pattern;
+}
+
+// Pseudo instructions
+class Pseudo<dag outs, dag ins> : Op<0, outs, ins, ""> {
+  let isPseudo = 1;
+}