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1// RUN: llvm-tblgen -gen-register-info -I %p/../../include -I %p/Common %s | FileCheck %s2 3// Checks the cost values for the register tuple.4include "llvm/Target/Target.td"5 6class MyClass<int size, list<ValueType> types, dag registers>7 : RegisterClass<"MyTarget", types, size, registers> {8 let Size = size;9}10 11class Indexes<int N> {12 list<int> all = [0, 1, 2, 3];13 list<int> slice =14 !foldl([]<int>, all, acc, cur,15 !listconcat(acc, !if(!lt(cur, N), [cur], [])));16}17 18foreach Index = 0-3 in {19 def sub#Index : SubRegIndex<32, !shl(Index, 5)>;20}21 22foreach Size = {2,4} in {23 foreach Index = Indexes<!add(5, !mul(Size, -1))>.slice in {24 def !foldl("", Indexes<Size>.slice, acc, cur,25 !strconcat(acc#!if(!eq(acc,""),"","_"), "sub"#!add(cur, Index))) :26 SubRegIndex<!mul(Size, 32), !shl(Index, 5)> {27 let CoveringSubRegIndices =28 !foldl([]<SubRegIndex>, Indexes<Size>.slice, acc, cur,29 !listconcat(acc, [!cast<SubRegIndex>(sub#!add(cur, Index))]));30 }31 }32}33 34let Namespace = "MyTarget" in {35 foreach Index = 0-15 in {36 // Adding two cost values per register.37 let CostPerUse = [Index, !shl(Index, 1)] in {38 def S#Index : Register <"s"#Index>;39 }40 }41} // Namespace = "MyTarget"42 43def GPR32 : MyClass<32, [i32], (sequence "S%u", 0, 15)>;44 45def GPR64 : RegisterTuples<[sub0, sub1],46 [(decimate (shl GPR32, 0), 1),47 (decimate (shl GPR32, 1), 1)48 ]>;49 50def GPR128 : RegisterTuples<[sub0, sub1, sub2, sub3],51 [52 (decimate (shl GPR32, 0), 1),53 (decimate (shl GPR32, 1), 1),54 (decimate (shl GPR32, 2), 1),55 (decimate (shl GPR32, 3), 1)56 ]>;57 58 59def GPR_64 : MyClass<64, [v2i32], (add GPR64)>;60def GPR_128 : MyClass<128, [v4i32], (add GPR128)>;61 62 63def MyTarget : Target;64 65// CHECK: static const uint8_t CostPerUseTable[] = {66// CHECK-NEXT: 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, };67 68// CHECK: static const TargetRegisterInfoDesc MyTargetRegInfoDesc = { // Extra Descriptors69// CHECK-NEXT: CostPerUseTable, 2, InAllocatableClassTable};70 71// CHECK: TargetRegisterInfo(&MyTargetRegInfoDesc, RegisterClasses, RegisterClasses+3,72