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1// RUN: not llvm-tblgen -gen-register-info -I %p/../../include -I %p/Common %s 2>&1 | FileCheck %s2 3// Negative test to check empty Psets for a target.4 5include "llvm/Target/Target.td"6 7def R : Register<"r">;8 9def R_32 : RegisterClass<"MyTarget", [i32], 32, (add R)> {10 let GeneratePressureSet = 0;11}12 13def MyTarget : Target;14 15// CHECK: error: RegUnitSets cannot be empty!16