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1// RUN: mlir-opt -test-convert-to-spirv="run-signature-conversion=false run-vector-unrolling=false" -split-input-file %s | FileCheck %s2 3// CHECK-LABEL: @ub4// CHECK: %[[UNDEF:.*]] = spirv.Undef : i325// CHECK: spirv.ReturnValue %[[UNDEF]] : i326func.func @ub() -> index {7 %0 = ub.poison : index8 return %0 : index9}10