1 // RUN: mlir-opt -convert-to-spirv="run-signature-conversion=false run-vector-unrolling=false" -split-input-file %s | FileCheck %s
4 // CHECK: %[[UNDEF:.*]] = spirv.Undef : i32
5 // CHECK: spirv.ReturnValue %[[UNDEF]] : i32
6 func.func @ub() -> index {