Index: lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp =================================================================== --- lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp +++ lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp @@ -2233,30 +2233,24 @@ Work.emplace_back(WFn); }; - auto &&LNParallelGen = [this, Loc, &SeqGen, &L0ParallelGen, &CodeGen, - &ThreadIDAddr](CodeGenFunction &CGF, - PrePostActionTy &Action) { - RegionCodeGenTy RCG(CodeGen); + auto &&LNParallelGen = [this, Loc, &SeqGen, &L0ParallelGen]( + CodeGenFunction &CGF, PrePostActionTy &Action) { if (IsInParallelRegion) { SeqGen(CGF, Action); } else if (IsInTargetMasterThreadRegion) { L0ParallelGen(CGF, Action); - } else if (getExecutionMode() == CGOpenMPRuntimeNVPTX::EM_NonSPMD) { - RCG(CGF); } else { // Check for master and then parallelism: // if (__kmpc_is_spmd_exec_mode() || __kmpc_parallel_level(loc, gtid)) { - // Serialized execution. - // } else if (master) { - // Worker call. + // Serialized execution. // } else { - // Outlined function call. + // Worker call. // } CGBuilderTy &Bld = CGF.Builder; llvm::BasicBlock *ExitBB = CGF.createBasicBlock(".exit"); llvm::BasicBlock *SeqBB = CGF.createBasicBlock(".sequential"); llvm::BasicBlock *ParallelCheckBB = CGF.createBasicBlock(".parcheck"); - llvm::BasicBlock *MasterCheckBB = CGF.createBasicBlock(".mastercheck"); + llvm::BasicBlock *MasterBB = CGF.createBasicBlock(".master"); llvm::Value *IsSPMD = Bld.CreateIsNotNull(CGF.EmitNounwindRuntimeCall( createNVPTXRuntimeFunction(OMPRTL_NVPTX__kmpc_is_spmd_exec_mode))); Bld.CreateCondBr(IsSPMD, SeqBB, ParallelCheckBB); @@ -2269,29 +2263,17 @@ createNVPTXRuntimeFunction(OMPRTL_NVPTX__kmpc_parallel_level), {RTLoc, ThreadID}); llvm::Value *Res = Bld.CreateIsNotNull(PL); - Bld.CreateCondBr(Res, SeqBB, MasterCheckBB); + Bld.CreateCondBr(Res, SeqBB, MasterBB); CGF.EmitBlock(SeqBB); SeqGen(CGF, Action); CGF.EmitBranch(ExitBB); // There is no need to emit line number for unconditional branch. (void)ApplyDebugLocation::CreateEmpty(CGF); - CGF.EmitBlock(MasterCheckBB); - llvm::BasicBlock *MasterThenBB = CGF.createBasicBlock("master.then"); - llvm::BasicBlock *ElseBlock = CGF.createBasicBlock("omp_if.else"); - llvm::Value *IsMaster = - Bld.CreateICmpEQ(getNVPTXThreadID(CGF), getMasterThreadID(CGF)); - Bld.CreateCondBr(IsMaster, MasterThenBB, ElseBlock); - CGF.EmitBlock(MasterThenBB); + CGF.EmitBlock(MasterBB); L0ParallelGen(CGF, Action); CGF.EmitBranch(ExitBB); // There is no need to emit line number for unconditional branch. (void)ApplyDebugLocation::CreateEmpty(CGF); - CGF.EmitBlock(ElseBlock); - // In the worker need to use the real thread id. - ThreadIDAddr = emitThreadIDAddress(CGF, Loc); - RCG(CGF); - // There is no need to emit line number for unconditional branch. - (void)ApplyDebugLocation::CreateEmpty(CGF); // Emit the continuation block for code after the if. CGF.EmitBlock(ExitBB, /*IsFinished=*/true); } Index: test/OpenMP/nvptx_target_codegen.cpp =================================================================== --- test/OpenMP/nvptx_target_codegen.cpp +++ test/OpenMP/nvptx_target_codegen.cpp @@ -557,7 +557,6 @@ // CHECK: [[STACK:%.+]] = alloca [[GLOBAL_ST:%.+]], // CHECK: [[ZERO_ADDR:%.+]] = alloca i32, // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* - // CHECK: [[GTID_ADDR:%.+]] = alloca i32, // CHECK: store i32 0, i32* [[ZERO_ADDR]] // CHECK: [[RES:%.+]] = call i8 @__kmpc_is_spmd_exec_mode() // CHECK: [[IS_SPMD:%.+]] = icmp ne i8 [[RES]], 0 @@ -583,9 +582,6 @@ // CHECK: call void @__kmpc_end_serialized_parallel(%struct.ident_t* @{{.+}}, i32 [[GTID]]) // CHECK: br label - // CHECK: icmp eq i32 - // CHECK: br i1 - // CHECK: call void @__kmpc_kernel_prepare_parallel(i8* bitcast (void (i16, i32)* @{{.+}} to i8*), i16 1) // CHECK: call void @__kmpc_begin_sharing_variables(i8*** [[SHARED_PTR:%.+]], i{{64|32}} 2) // CHECK: [[SHARED:%.+]] = load i8**, i8*** [[SHARED_PTR]], @@ -597,10 +593,6 @@ // CHECK: call void @__kmpc_end_sharing_variables() // CHECK: br label - // CHECK: store i32 [[GTID]], i32* [[GTID_ADDR]], - // CHECK: call void [[OUTLINED]](i32* [[GTID_ADDR]], i32* [[ZERO_ADDR]], i32* [[F_PTR]], double* %{{.+}}) - // CHECK: br label - // CHECK: [[RES:%.+]] = load i32, i32* [[F_PTR]], // CHECK: store i32 [[RES]], i32* [[RET:%.+]], // CHECK: br i1 [[IS_SPMD]], label