[Mlir-commits] [mlir] [mlir][spirv] Add support for SPV_ARM_graph extension - part 2 (PR #156665)

[Jakub Kuderski]

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@@ -875,6 +879,35 @@ Serializer::prepareFunctionType(Location loc, FunctionType type,
   return success();
 }
 
+LogicalResult
+Serializer::prepareGraphType(Location loc, GraphType type,
+                             spirv::Opcode &typeEnum,
+                             SmallVectorImpl<uint32_t> &operands) {
+  typeEnum = spirv::Opcode::OpTypeGraphARM;
+  assert(type.getNumResults() >= 1 &&
+         "serialization requires at least a return value");
+
+  operands.push_back(type.getNumInputs());
+
+  for (const Type &res : type.getInputs()) {
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kuhar wrote:

Can we process this by values? IR types are cheap to copy/pass around.

https://github.com/llvm/llvm-project/pull/156665