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1// RUN: llvm-tblgen -gen-register-info -I %p/../../include -I %p/Common %s | FileCheck %s2 3// Checks the CostPerUse value for the registers.4include "llvm/Target/Target.td"5 6let Namespace = "MyTarget" in {7 8 foreach Index = 0-3 in {9 // Adds register cost value 1.10 let CostPerUse = [1] in {11 def S#Index : Register <"s"#Index>;12 }13 }14 15 // CostPerUse by default to 0.16 def D0 : Register<"d0">;17 def D1 : Register<"d1">;18 19} // Namespace = "MyTarget"20 21 22def SRegs : RegisterClass<"MyTarget", [i32], 32, (sequence "S%u", 0, 3)>;23def DRegs : RegisterClass<"MyTarget", [i32], 32, (sequence "D%u", 0, 1)>;24 25def MyTarget : Target;26 27// CHECK: static const uint8_t CostPerUseTable[] = {28// CHECK-NEXT: 0, 0, 0, 1, 1, 1, 1, };29 30// CHECK: static const bool InAllocatableClassTable[] = {31// CHECK-NEXT: false, true, true, true, true, true, true, };32 33// CHECK: static const TargetRegisterInfoDesc MyTargetRegInfoDesc = { // Extra Descriptors34// CHECK-NEXT: CostPerUseTable, 1, InAllocatableClassTable};35 36// CHECK: TargetRegisterInfo(&MyTargetRegInfoDesc, RegisterClasses, RegisterClasses+2,37