| // RUN: llvm-tblgen -gen-register-info -I %p/../../include -I %p/Common %s | FileCheck %s |
| |
| // Checks the cost values for the register tuple. |
| include "llvm/Target/Target.td" |
| |
| class MyClass<int size, list<ValueType> types, dag registers> |
| : RegisterClass<"MyTarget", types, size, registers> { |
| let Size = size; |
| } |
| |
| foreach Index = 0-3 in { |
| def sub#Index : SubRegIndex<32, !shl(Index, 5)>; |
| } |
| |
| let Namespace = "MyTarget" in { |
| foreach Index = 0-15 in { |
| // Adding two cost values per register. |
| let CostPerUse = [Index, !shl(Index, 1)] in { |
| def S#Index : Register <"s"#Index>; |
| } |
| } |
| } // Namespace = "MyTarget" |
| |
| def GPR32 : MyClass<32, [i32], (sequence "S%u", 0, 15)>; |
| |
| def GPR64 : RegisterTuples<[sub0, sub1], |
| [(decimate (shl GPR32, 0), 1), |
| (decimate (shl GPR32, 1), 1) |
| ]>; |
| |
| def GPR128 : RegisterTuples<[sub0, sub1, sub2, sub3], |
| [ |
| (decimate (shl GPR32, 0), 1), |
| (decimate (shl GPR32, 1), 1), |
| (decimate (shl GPR32, 2), 1), |
| (decimate (shl GPR32, 3), 1) |
| ]>; |
| |
| |
| def GPR_64 : MyClass<64, [v2i32], (add GPR64)>; |
| def GPR_128 : MyClass<128, [v4i32], (add GPR128)>; |
| |
| |
| def MyTarget : Target; |
| |
| // CHECK: static const uint8_t MyTargetCostPerUseTable[] = { |
| // 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, }; |
| |
| // CHECK: static const TargetRegisterInfoDesc MyTargetRegInfoDesc = { // Extra Descriptors |
| // CHECK-NEXT: MyTargetCostPerUseTable, 2, MyTargetInAllocatableClassTable}; |
| |
| // CHECK: TargetRegisterInfo(&MyTargetRegInfoDesc, |
