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1// RUN: llvm-tblgen -gen-dag-isel -I %p/../../include -I %p/Common %s -o - < %s | FileCheck -check-prefix=SDAG %s2// RUN: llvm-tblgen -gen-global-isel -warn-on-skipped-patterns -I %p/../../include -I %p/Common %s -o - < %s | FileCheck -check-prefix=GISEL %s3 4include "llvm/Target/Target.td"5include "GlobalISelEmitterCommon.td"6 7// Test the HasNoUse predicate8 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_i3213// SDAG-NEXT: SDNode *N = Op.getNode();14// SDAG-NEXT: (void)N;15// SDAG-NEXT: if (cast<MemSDNode>(N)->getMemoryVT() != MVT::i32) return false;16// SDAG-NEXT: if (N->hasAnyUseOfValue(0)) 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] src025// 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, // src029// GISEL-NEXT: GIR_RootToRootCopy, /*OpIdx*/2, // src130// 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 in35defm 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