1// RUN: llvm-tblgen -gen-dag-isel -I %p/../../include -I %p/Common %s -o - < %s | FileCheck -check-prefix=SDAG %s 2// RUN: llvm-tblgen -gen-global-isel -warn-on-skipped-patterns -I %p/../../include -I %p/Common %s -o - < %s | FileCheck -check-prefix=GISEL %s 3 4include "llvm/Target/Target.td" 5include "GlobalISelEmitterCommon.td" 6 7// Test the HasNoUse predicate 8 9def NO_RET_ATOMIC_ADD : I<(outs), (ins GPR32Op:$src0, GPR32Op:$src1), []>; 10 11// SDAG: case 0: { 12// SDAG-NEXT: // Predicate_atomic_load_add_no_ret_i32 13// SDAG-NEXT: SDNode *N = Node; 14// SDAG-NEXT: (void)N; 15// SDAG-NEXT: if (cast<MemSDNode>(N)->getMemoryVT() != MVT::i32) return false; 16// SDAG-NEXT: if (!SDValue(N, 0).use_empty()) return false; 17// SDAG-NEXT: return true; 18 19// GISEL: GIM_CheckOpcode, /*MI*/0, GIMT_Encode2(TargetOpcode::G_ATOMICRMW_ADD), 20// GISEL-NEXT: GIM_RootCheckType, /*Op*/0, /*Type*/GILLT_s32, 21// GISEL-NEXT: GIM_RootCheckType, /*Op*/2, /*Type*/GILLT_s32, 22// GISEL-NEXT: GIM_CheckMemorySizeEqualTo, /*MI*/0, /*MMO*/0, /*Size*/GIMT_Encode4(4), 23// GISEL-NEXT: GIM_CheckHasNoUse, /*MI*/0, 24// GISEL-NEXT: // MIs[0] src0 25// GISEL-NEXT: GIM_CheckPointerToAny, /*MI*/0, /*Op*/1, /*SizeInBits*/0, 26// GISEL-NEXT: // (atomic_load_add:{ *:[i32] } iPTR:{ *:[iPTR] }:$src0, i32:{ *:[i32] }:$src1)<<P:Predicate_atomic_load_add_no_ret_i32>> => (NO_RET_ATOMIC_ADD GPR32:{ *:[i32] }:$src0, GPR32:{ *:[i32] }:$src1) 27// GISEL-NEXT: GIR_BuildRootMI, /*Opcode*/GIMT_Encode2(MyTarget::NO_RET_ATOMIC_ADD), 28// GISEL-NEXT: GIR_RootToRootCopy, /*OpIdx*/1, // src0 29// GISEL-NEXT: GIR_RootToRootCopy, /*OpIdx*/2, // src1 30// GISEL-NEXT: GIR_MergeMemOperands, /*InsnID*/0, /*NumInsns*/1, /*MergeInsnID's*/0, 31// GISEL-NEXT: GIR_RootConstrainSelectedInstOperands, 32// GISEL-NEXT: // GIR_Coverage, 0, 33// GISEL-NEXT: GIR_EraseRootFromParent_Done, 34let HasNoUse = true in 35defm atomic_load_add_no_ret : binary_atomic_op<atomic_load_add>; 36 37def : Pat < 38 (atomic_load_add_no_ret_i32 iPTR:$src0, i32:$src1), 39 (NO_RET_ATOMIC_ADD GPR32:$src0, GPR32:$src1) 40>; 41