diff --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp --- a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp +++ b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp @@ -3188,6 +3188,34 @@ ->setDebugLoc(DL); }; + auto &AllocSharedRFI = OMPInfoCache.RFIs[OMPRTL___kmpc_alloc_shared]; + SmallPtrSet Visited; + for (Instruction *GuardedI : SPMDCompatibilityTracker) { + BasicBlock *BB = GuardedI->getParent(); + if (!Visited.insert(BB).second) + continue; + + SmallVector> Reorders; + Instruction *LastEffect = nullptr; + BasicBlock::reverse_iterator IP = BB->rbegin(), IPEnd = BB->rend(); + while (++IP != IPEnd) { + if (!IP->mayHaveSideEffects() && !IP->mayReadFromMemory()) + continue; + Instruction *I = &*IP; + if (OpenMPOpt::getCallIfRegularCall(*I, &AllocSharedRFI)) + continue; + if (!I->user_empty() || !SPMDCompatibilityTracker.contains(I)) { + LastEffect = nullptr; + continue; + } + if (LastEffect) + Reorders.push_back({I, LastEffect}); + LastEffect = &*IP; + } + for (auto &Reorder : Reorders) + Reorder.first->moveBefore(Reorder.second); + } + SmallVector, 4> GuardedRegions; for (Instruction *GuardedI : SPMDCompatibilityTracker) { @@ -4242,7 +4270,6 @@ DepClassTy::NONE, /* ForceUpdate */ false, /* UpdateAfterInit */ false); - registerFoldRuntimeCall(OMPRTL___kmpc_is_generic_main_thread_id); registerFoldRuntimeCall(OMPRTL___kmpc_is_spmd_exec_mode); registerFoldRuntimeCall(OMPRTL___kmpc_parallel_level); diff --git a/llvm/test/Transforms/OpenMP/spmdization_guarding.ll b/llvm/test/Transforms/OpenMP/spmdization_guarding.ll new file mode 100644 --- /dev/null +++ b/llvm/test/Transforms/OpenMP/spmdization_guarding.ll @@ -0,0 +1,359 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals +; RUN: opt -S -passes=openmp-opt < %s | FileCheck %s +; RUN: opt -S -passes=openmp-opt -openmp-opt-disable-spmdization < %s | FileCheck %s --check-prefix=CHECK-DISABLED +; +; void pure(void) __attribute__((pure, assume("ompx_spmd_amenable"))); +; int no_openmp(int *) __attribute__((assume("omp_no_openmp","ompx_spmd_amenable"))); +; +; void sequential_loop(int *x, int N) { +; #pragma omp target teams +; { +; x[0] = 0; +; x[1] = 1; +; x[N] = N; +; for (int i = 2; i < N - 1; ++i) +; x[i] = i - 1; +; +; int r1 = no_openmp(x); +; x[r1] = r1; +; int r2 = no_openmp(x); +; x[r2] = r2; +; int r3 = no_openmp(x); +; x[r3] = r3; +; +; no_openmp(x); +; pure(); +; no_openmp(x); +; pure(); +; no_openmp(x); +; pure(); +; } +; } +; +target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64" +target triple = "nvptx64" + +%struct.ident_t = type { i32, i32, i32, i32, i8* } + +@0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1 +@1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @0, i32 0, i32 0) }, align 8 +@__omp_offloading_2a_fbfa7a_sequential_loop_l6_exec_mode = weak constant i8 1 +@llvm.compiler.used = appending global [1 x i8*] [i8* @__omp_offloading_2a_fbfa7a_sequential_loop_l6_exec_mode], section "llvm.metadata" + +; Function Attrs: convergent norecurse nounwind +;. +; CHECK: @[[GLOB0:[0-9]+]] = private unnamed_addr constant [23 x i8] c" +; CHECK: @[[GLOB1:[0-9]+]] = private unnamed_addr constant [[STRUCT_IDENT_T:%.*]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @[[GLOB0]], i32 0, i32 0) }, align 8 +; CHECK: @[[__OMP_OFFLOADING_2A_FBFA7A_SEQUENTIAL_LOOP_L6_EXEC_MODE:[a-zA-Z0-9_$"\\.-]+]] = weak constant i8 2 +; CHECK: @[[LLVM_COMPILER_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x i8*] [i8* @__omp_offloading_2a_fbfa7a_sequential_loop_l6_exec_mode], section "llvm.metadata" +;. +; CHECK-DISABLED: @[[GLOB0:[0-9]+]] = private unnamed_addr constant [23 x i8] c" +; CHECK-DISABLED: @[[GLOB1:[0-9]+]] = private unnamed_addr constant [[STRUCT_IDENT_T:%.*]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @[[GLOB0]], i32 0, i32 0) }, align 8 +; CHECK-DISABLED: @[[__OMP_OFFLOADING_2A_FBFA7A_SEQUENTIAL_LOOP_L6_EXEC_MODE:[a-zA-Z0-9_$"\\.-]+]] = weak constant i8 1 +; CHECK-DISABLED: @[[LLVM_COMPILER_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x i8*] [i8* @__omp_offloading_2a_fbfa7a_sequential_loop_l6_exec_mode], section "llvm.metadata" +;. +define weak void @__omp_offloading_2a_fbfa7a_sequential_loop_l6(i32* %x, i64 %N) #0 { +; CHECK-LABEL: define {{[^@]+}}@__omp_offloading_2a_fbfa7a_sequential_loop_l6 +; CHECK-SAME: (i32* [[X:%.*]], i64 [[N:%.*]]) #[[ATTR0:[0-9]+]] { +; CHECK-NEXT: entry: +; CHECK-NEXT: [[N_ADDR_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[N]] to i32 +; CHECK-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* nonnull @[[GLOB1]], i1 true, i1 false, i1 false) #[[ATTR3:[0-9]+]] +; CHECK-NEXT: [[EXEC_USER_CODE:%.*]] = icmp eq i32 [[TMP0]], -1 +; CHECK-NEXT: br i1 [[EXEC_USER_CODE]], label [[USER_CODE_ENTRY:%.*]], label [[WORKER_EXIT:%.*]] +; CHECK: user_code.entry: +; CHECK-NEXT: [[TMP1:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @[[GLOB1]]) #[[ATTR3]] +; CHECK-NEXT: [[ARRAYIDX1_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 1 +; CHECK-NEXT: [[SEXT:%.*]] = shl i64 [[N]], 32 +; CHECK-NEXT: [[IDXPROM_I:%.*]] = ashr exact i64 [[SEXT]], 32 +; CHECK-NEXT: [[ARRAYIDX2_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM_I]] +; CHECK-NEXT: br label [[REGION_CHECK_TID:%.*]] +; CHECK: region.check.tid: +; CHECK-NEXT: [[TMP2:%.*]] = call i32 @__kmpc_get_hardware_thread_id_in_block() +; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], 0 +; CHECK-NEXT: br i1 [[TMP3]], label [[REGION_GUARDED:%.*]], label [[REGION_BARRIER:%.*]] +; CHECK: region.guarded: +; CHECK-NEXT: store i32 0, i32* [[X]], align 4, !noalias !8 +; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1_I]], align 4, !noalias !8 +; CHECK-NEXT: store i32 [[N_ADDR_SROA_0_0_EXTRACT_TRUNC]], i32* [[ARRAYIDX2_I]], align 4, !noalias !8 +; CHECK-NEXT: br label [[REGION_GUARDED_END:%.*]] +; CHECK: region.guarded.end: +; CHECK-NEXT: br label [[REGION_BARRIER]] +; CHECK: region.barrier: +; CHECK-NEXT: call void @__kmpc_barrier_simple_spmd(%struct.ident_t* @[[GLOB1]], i32 [[TMP2]]) +; CHECK-NEXT: br label [[REGION_EXIT:%.*]] +; CHECK: region.exit: +; CHECK-NEXT: br label [[FOR_COND_I:%.*]] +; CHECK: for.cond.i: +; CHECK-NEXT: [[I_0_I:%.*]] = phi i32 [ 2, [[REGION_EXIT]] ], [ [[INC_I:%.*]], [[REGION_EXIT3:%.*]] ] +; CHECK-NEXT: [[SUB_I:%.*]] = add nsw i32 [[N_ADDR_SROA_0_0_EXTRACT_TRUNC]], -1 +; CHECK-NEXT: [[CMP_I:%.*]] = icmp slt i32 [[I_0_I]], [[SUB_I]] +; CHECK-NEXT: br i1 [[CMP_I]], label [[FOR_BODY_I:%.*]], label [[__OMP_OUTLINED___EXIT:%.*]] +; CHECK: for.body.i: +; CHECK-NEXT: [[SUB3_I:%.*]] = add nsw i32 [[I_0_I]], -1 +; CHECK-NEXT: [[IDXPROM4_I:%.*]] = zext i32 [[I_0_I]] to i64 +; CHECK-NEXT: [[ARRAYIDX5_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM4_I]] +; CHECK-NEXT: br label [[REGION_CHECK_TID5:%.*]] +; CHECK: region.check.tid5: +; CHECK-NEXT: [[TMP4:%.*]] = call i32 @__kmpc_get_hardware_thread_id_in_block() +; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[TMP4]], 0 +; CHECK-NEXT: br i1 [[TMP5]], label [[REGION_GUARDED4:%.*]], label [[REGION_BARRIER2:%.*]] +; CHECK: region.guarded4: +; CHECK-NEXT: store i32 [[SUB3_I]], i32* [[ARRAYIDX5_I]], align 4, !noalias !8 +; CHECK-NEXT: br label [[REGION_GUARDED_END1:%.*]] +; CHECK: region.guarded.end1: +; CHECK-NEXT: br label [[REGION_BARRIER2]] +; CHECK: region.barrier2: +; CHECK-NEXT: call void @__kmpc_barrier_simple_spmd(%struct.ident_t* @[[GLOB1]], i32 [[TMP4]]) +; CHECK-NEXT: br label [[REGION_EXIT3]] +; CHECK: region.exit3: +; CHECK-NEXT: [[INC_I]] = add nuw nsw i32 [[I_0_I]], 1 +; CHECK-NEXT: br label [[FOR_COND_I]], !llvm.loop [[LOOP11:![0-9]+]] +; CHECK: __omp_outlined__.exit: +; CHECK-NEXT: [[CALL_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR6:[0-9]+]], !noalias !8 +; CHECK-NEXT: [[IDXPROM6_I:%.*]] = sext i32 [[CALL_I]] to i64 +; CHECK-NEXT: [[ARRAYIDX7_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM6_I]] +; CHECK-NEXT: br label [[REGION_CHECK_TID10:%.*]] +; CHECK: region.check.tid10: +; CHECK-NEXT: [[TMP6:%.*]] = call i32 @__kmpc_get_hardware_thread_id_in_block() +; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[TMP6]], 0 +; CHECK-NEXT: br i1 [[TMP7]], label [[REGION_GUARDED9:%.*]], label [[REGION_BARRIER7:%.*]] +; CHECK: region.guarded9: +; CHECK-NEXT: store i32 [[CALL_I]], i32* [[ARRAYIDX7_I]], align 4, !noalias !8 +; CHECK-NEXT: br label [[REGION_GUARDED_END6:%.*]] +; CHECK: region.guarded.end6: +; CHECK-NEXT: br label [[REGION_BARRIER7]] +; CHECK: region.barrier7: +; CHECK-NEXT: call void @__kmpc_barrier_simple_spmd(%struct.ident_t* @[[GLOB1]], i32 [[TMP6]]) +; CHECK-NEXT: br label [[REGION_EXIT8:%.*]] +; CHECK: region.exit8: +; CHECK-NEXT: [[CALL8_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR6]], !noalias !8 +; CHECK-NEXT: [[IDXPROM9_I:%.*]] = sext i32 [[CALL8_I]] to i64 +; CHECK-NEXT: [[ARRAYIDX10_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM9_I]] +; CHECK-NEXT: br label [[REGION_CHECK_TID15:%.*]] +; CHECK: region.check.tid15: +; CHECK-NEXT: [[TMP8:%.*]] = call i32 @__kmpc_get_hardware_thread_id_in_block() +; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP8]], 0 +; CHECK-NEXT: br i1 [[TMP9]], label [[REGION_GUARDED14:%.*]], label [[REGION_BARRIER12:%.*]] +; CHECK: region.guarded14: +; CHECK-NEXT: store i32 [[CALL8_I]], i32* [[ARRAYIDX10_I]], align 4, !noalias !8 +; CHECK-NEXT: br label [[REGION_GUARDED_END11:%.*]] +; CHECK: region.guarded.end11: +; CHECK-NEXT: br label [[REGION_BARRIER12]] +; CHECK: region.barrier12: +; CHECK-NEXT: call void @__kmpc_barrier_simple_spmd(%struct.ident_t* @[[GLOB1]], i32 [[TMP8]]) +; CHECK-NEXT: br label [[REGION_EXIT13:%.*]] +; CHECK: region.exit13: +; CHECK-NEXT: [[CALL11_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR6]], !noalias !8 +; CHECK-NEXT: [[IDXPROM12_I:%.*]] = sext i32 [[CALL11_I]] to i64 +; CHECK-NEXT: [[ARRAYIDX13_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM12_I]] +; CHECK-NEXT: br label [[REGION_CHECK_TID20:%.*]] +; CHECK: region.check.tid20: +; CHECK-NEXT: [[TMP10:%.*]] = call i32 @__kmpc_get_hardware_thread_id_in_block() +; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[TMP10]], 0 +; CHECK-NEXT: br i1 [[TMP11]], label [[REGION_GUARDED19:%.*]], label [[REGION_BARRIER17:%.*]] +; CHECK: region.guarded19: +; CHECK-NEXT: store i32 [[CALL11_I]], i32* [[ARRAYIDX13_I]], align 4, !noalias !8 +; CHECK-NEXT: br label [[REGION_GUARDED_END16:%.*]] +; CHECK: region.guarded.end16: +; CHECK-NEXT: br label [[REGION_BARRIER17]] +; CHECK: region.barrier17: +; CHECK-NEXT: call void @__kmpc_barrier_simple_spmd(%struct.ident_t* @[[GLOB1]], i32 [[TMP10]]) +; CHECK-NEXT: br label [[REGION_EXIT18:%.*]] +; CHECK: region.exit18: +; CHECK-NEXT: [[CALL14_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR6]], !noalias !8 +; CHECK-NEXT: [[CALL15_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR6]], !noalias !8 +; CHECK-NEXT: [[CALL16_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR6]], !noalias !8 +; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* nonnull @[[GLOB1]], i1 true, i1 false) #[[ATTR3]] +; CHECK-NEXT: ret void +; CHECK: worker.exit: +; CHECK-NEXT: ret void +; +; CHECK-DISABLED-LABEL: define {{[^@]+}}@__omp_offloading_2a_fbfa7a_sequential_loop_l6 +; CHECK-DISABLED-SAME: (i32* [[X:%.*]], i64 [[N:%.*]]) #[[ATTR0:[0-9]+]] { +; CHECK-DISABLED-NEXT: entry: +; CHECK-DISABLED-NEXT: [[N_ADDR_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[N]] to i32 +; CHECK-DISABLED-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* nonnull @[[GLOB1]], i1 false, i1 false, i1 true) #[[ATTR3:[0-9]+]] +; CHECK-DISABLED-NEXT: [[EXEC_USER_CODE:%.*]] = icmp eq i32 [[TMP0]], -1 +; CHECK-DISABLED-NEXT: br i1 [[EXEC_USER_CODE]], label [[USER_CODE_ENTRY:%.*]], label [[WORKER_EXIT:%.*]] +; CHECK-DISABLED: user_code.entry: +; CHECK-DISABLED-NEXT: [[TMP1:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @[[GLOB1]]) #[[ATTR3]] +; CHECK-DISABLED-NEXT: store i32 0, i32* [[X]], align 4, !noalias !8 +; CHECK-DISABLED-NEXT: [[ARRAYIDX1_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 1 +; CHECK-DISABLED-NEXT: store i32 1, i32* [[ARRAYIDX1_I]], align 4, !noalias !8 +; CHECK-DISABLED-NEXT: [[SEXT:%.*]] = shl i64 [[N]], 32 +; CHECK-DISABLED-NEXT: [[IDXPROM_I:%.*]] = ashr exact i64 [[SEXT]], 32 +; CHECK-DISABLED-NEXT: [[ARRAYIDX2_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM_I]] +; CHECK-DISABLED-NEXT: store i32 [[N_ADDR_SROA_0_0_EXTRACT_TRUNC]], i32* [[ARRAYIDX2_I]], align 4, !noalias !8 +; CHECK-DISABLED-NEXT: br label [[FOR_COND_I:%.*]] +; CHECK-DISABLED: for.cond.i: +; CHECK-DISABLED-NEXT: [[I_0_I:%.*]] = phi i32 [ 2, [[USER_CODE_ENTRY]] ], [ [[INC_I:%.*]], [[FOR_BODY_I:%.*]] ] +; CHECK-DISABLED-NEXT: [[SUB_I:%.*]] = add nsw i32 [[N_ADDR_SROA_0_0_EXTRACT_TRUNC]], -1 +; CHECK-DISABLED-NEXT: [[CMP_I:%.*]] = icmp slt i32 [[I_0_I]], [[SUB_I]] +; CHECK-DISABLED-NEXT: br i1 [[CMP_I]], label [[FOR_BODY_I]], label [[__OMP_OUTLINED___EXIT:%.*]] +; CHECK-DISABLED: for.body.i: +; CHECK-DISABLED-NEXT: [[SUB3_I:%.*]] = add nsw i32 [[I_0_I]], -1 +; CHECK-DISABLED-NEXT: [[IDXPROM4_I:%.*]] = zext i32 [[I_0_I]] to i64 +; CHECK-DISABLED-NEXT: [[ARRAYIDX5_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM4_I]] +; CHECK-DISABLED-NEXT: store i32 [[SUB3_I]], i32* [[ARRAYIDX5_I]], align 4, !noalias !8 +; CHECK-DISABLED-NEXT: [[INC_I]] = add nuw nsw i32 [[I_0_I]], 1 +; CHECK-DISABLED-NEXT: br label [[FOR_COND_I]], !llvm.loop [[LOOP11:![0-9]+]] +; CHECK-DISABLED: __omp_outlined__.exit: +; CHECK-DISABLED-NEXT: [[CALL_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR5:[0-9]+]], !noalias !8 +; CHECK-DISABLED-NEXT: [[IDXPROM6_I:%.*]] = sext i32 [[CALL_I]] to i64 +; CHECK-DISABLED-NEXT: [[ARRAYIDX7_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM6_I]] +; CHECK-DISABLED-NEXT: store i32 [[CALL_I]], i32* [[ARRAYIDX7_I]], align 4, !noalias !8 +; CHECK-DISABLED-NEXT: [[CALL8_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR5]], !noalias !8 +; CHECK-DISABLED-NEXT: [[IDXPROM9_I:%.*]] = sext i32 [[CALL8_I]] to i64 +; CHECK-DISABLED-NEXT: [[ARRAYIDX10_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM9_I]] +; CHECK-DISABLED-NEXT: store i32 [[CALL8_I]], i32* [[ARRAYIDX10_I]], align 4, !noalias !8 +; CHECK-DISABLED-NEXT: [[CALL11_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR5]], !noalias !8 +; CHECK-DISABLED-NEXT: [[IDXPROM12_I:%.*]] = sext i32 [[CALL11_I]] to i64 +; CHECK-DISABLED-NEXT: [[ARRAYIDX13_I:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[IDXPROM12_I]] +; CHECK-DISABLED-NEXT: store i32 [[CALL11_I]], i32* [[ARRAYIDX13_I]], align 4, !noalias !8 +; CHECK-DISABLED-NEXT: [[CALL14_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR5]], !noalias !8 +; CHECK-DISABLED-NEXT: [[CALL15_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR5]], !noalias !8 +; CHECK-DISABLED-NEXT: [[CALL16_I:%.*]] = call i32 @no_openmp(i32* nonnull [[X]]) #[[ATTR5]], !noalias !8 +; CHECK-DISABLED-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* nonnull @[[GLOB1]], i1 false, i1 true) #[[ATTR3]] +; CHECK-DISABLED-NEXT: ret void +; CHECK-DISABLED: worker.exit: +; CHECK-DISABLED-NEXT: ret void +; +entry: + %N.addr.sroa.0.0.extract.trunc = trunc i64 %N to i32 + %0 = call i32 @__kmpc_target_init(%struct.ident_t* nonnull @1, i1 false, i1 true, i1 true) #3 + %exec_user_code = icmp eq i32 %0, -1 + br i1 %exec_user_code, label %user_code.entry, label %worker.exit + +user_code.entry: ; preds = %entry + %1 = call i32 @__kmpc_global_thread_num(%struct.ident_t* nonnull @1) + store i32 0, i32* %x, align 4, !noalias !8 + %arrayidx1.i = getelementptr inbounds i32, i32* %x, i64 1 + store i32 1, i32* %arrayidx1.i, align 4, !noalias !8 + %sext = shl i64 %N, 32 + %idxprom.i = ashr exact i64 %sext, 32 + %arrayidx2.i = getelementptr inbounds i32, i32* %x, i64 %idxprom.i + store i32 %N.addr.sroa.0.0.extract.trunc, i32* %arrayidx2.i, align 4, !noalias !8 + br label %for.cond.i + +for.cond.i: ; preds = %for.body.i, %user_code.entry + %i.0.i = phi i32 [ 2, %user_code.entry ], [ %inc.i, %for.body.i ] + %sub.i = add nsw i32 %N.addr.sroa.0.0.extract.trunc, -1 + %cmp.i = icmp slt i32 %i.0.i, %sub.i + br i1 %cmp.i, label %for.body.i, label %__omp_outlined__.exit + +for.body.i: ; preds = %for.cond.i + %sub3.i = add nsw i32 %i.0.i, -1 + %idxprom4.i = zext i32 %i.0.i to i64 + %arrayidx5.i = getelementptr inbounds i32, i32* %x, i64 %idxprom4.i + store i32 %sub3.i, i32* %arrayidx5.i, align 4, !noalias !8 + %inc.i = add nuw nsw i32 %i.0.i, 1 + br label %for.cond.i, !llvm.loop !11 + +__omp_outlined__.exit: ; preds = %for.cond.i + %call.i = call i32 @no_openmp(i32* nonnull %x) #5, !noalias !8 + %idxprom6.i = sext i32 %call.i to i64 + %arrayidx7.i = getelementptr inbounds i32, i32* %x, i64 %idxprom6.i + store i32 %call.i, i32* %arrayidx7.i, align 4, !noalias !8 + %call8.i = call i32 @no_openmp(i32* nonnull %x) #5, !noalias !8 + %idxprom9.i = sext i32 %call8.i to i64 + %arrayidx10.i = getelementptr inbounds i32, i32* %x, i64 %idxprom9.i + store i32 %call8.i, i32* %arrayidx10.i, align 4, !noalias !8 + %call11.i = call i32 @no_openmp(i32* nonnull %x) #5, !noalias !8 + %idxprom12.i = sext i32 %call11.i to i64 + %arrayidx13.i = getelementptr inbounds i32, i32* %x, i64 %idxprom12.i + store i32 %call11.i, i32* %arrayidx13.i, align 4, !noalias !8 + %call14.i = call i32 @no_openmp(i32* nonnull %x) #5, !noalias !8 + %call15.i = call i32 @no_openmp(i32* nonnull %x) #5, !noalias !8 + %call16.i = call i32 @no_openmp(i32* nonnull %x) #5, !noalias !8 + call void @__kmpc_target_deinit(%struct.ident_t* nonnull @1, i1 false, i1 true) #3 + ret void + +worker.exit: ; preds = %entry + ret void +} + +declare i32 @__kmpc_target_init(%struct.ident_t*, i1, i1, i1) + +; Function Attrs: convergent +declare i32 @no_openmp(i32*) #1 + +; Function Attrs: convergent nounwind readonly willreturn +declare void @pure() #2 + +; Function Attrs: nounwind +declare i32 @__kmpc_global_thread_num(%struct.ident_t*) #3 + +declare void @__kmpc_target_deinit(%struct.ident_t*, i1, i1) + +; Function Attrs: inaccessiblememonly nofree nosync nounwind willreturn +declare void @llvm.experimental.noalias.scope.decl(metadata) #4 + +attributes #0 = { convergent norecurse nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +attributes #1 = { convergent "frame-pointer"="all" "llvm.assume"="omp_no_openmp,ompx_spmd_amenable" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +attributes #2 = { convergent nounwind readonly willreturn "frame-pointer"="all" "llvm.assume"="ompx_spmd_amenable" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +attributes #3 = { nounwind } +attributes #4 = { inaccessiblememonly nofree nosync nounwind willreturn } +attributes #5 = { convergent nounwind "llvm.assume"="omp_no_openmp,ompx_spmd_amenable" } + +!omp_offload.info = !{!0} +!nvvm.annotations = !{!1} +!llvm.module.flags = !{!2, !3, !4, !5, !6} +!llvm.ident = !{!7} + +!0 = !{i32 0, i32 42, i32 16513658, !"sequential_loop", i32 6, i32 0} +!1 = !{void (i32*, i64)* @__omp_offloading_2a_fbfa7a_sequential_loop_l6, !"kernel", i32 1} +!2 = !{i32 1, !"wchar_size", i32 4} +!3 = !{i32 7, !"openmp", i32 50} +!4 = !{i32 7, !"openmp-device", i32 50} +!5 = !{i32 7, !"PIC Level", i32 2} +!6 = !{i32 7, !"frame-pointer", i32 2} +!7 = !{!"clang version 14.0.0"} +!8 = !{!9} +!9 = distinct !{!9, !10, !"__omp_outlined__: %__context"} +!10 = distinct !{!10, !"__omp_outlined__"} +!11 = distinct !{!11, !12} +!12 = !{!"llvm.loop.mustprogress"} +;. +; CHECK: attributes #[[ATTR0]] = { convergent norecurse nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +; CHECK: attributes #[[ATTR1:[0-9]+]] = { convergent "frame-pointer"="all" "llvm.assume"="omp_no_openmp,ompx_spmd_amenable" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +; CHECK: attributes #[[ATTR2:[0-9]+]] = { convergent nounwind readonly willreturn "frame-pointer"="all" "llvm.assume"="ompx_spmd_amenable" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +; CHECK: attributes #[[ATTR3]] = { nounwind } +; CHECK: attributes #[[ATTR4:[0-9]+]] = { inaccessiblememonly nofree nosync nounwind willreturn } +; CHECK: attributes #[[ATTR5:[0-9]+]] = { convergent nounwind } +; CHECK: attributes #[[ATTR6]] = { convergent nounwind "llvm.assume"="omp_no_openmp,ompx_spmd_amenable" } +;. +; CHECK-DISABLED: attributes #[[ATTR0]] = { convergent norecurse nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +; CHECK-DISABLED: attributes #[[ATTR1:[0-9]+]] = { convergent "frame-pointer"="all" "llvm.assume"="omp_no_openmp,ompx_spmd_amenable" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +; CHECK-DISABLED: attributes #[[ATTR2:[0-9]+]] = { convergent nounwind readonly willreturn "frame-pointer"="all" "llvm.assume"="ompx_spmd_amenable" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_53" "target-features"="+ptx32,+sm_53" } +; CHECK-DISABLED: attributes #[[ATTR3]] = { nounwind } +; CHECK-DISABLED: attributes #[[ATTR4:[0-9]+]] = { inaccessiblememonly nofree nosync nounwind willreturn } +; CHECK-DISABLED: attributes #[[ATTR5]] = { convergent nounwind "llvm.assume"="omp_no_openmp,ompx_spmd_amenable" } +;. +; CHECK: [[META0:![0-9]+]] = !{i32 0, i32 42, i32 16513658, !"sequential_loop", i32 6, i32 0} +; CHECK: [[META1:![0-9]+]] = !{void (i32*, i64)* @__omp_offloading_2a_fbfa7a_sequential_loop_l6, !"kernel", i32 1} +; CHECK: [[META2:![0-9]+]] = !{i32 1, !"wchar_size", i32 4} +; CHECK: [[META3:![0-9]+]] = !{i32 7, !"openmp", i32 50} +; CHECK: [[META4:![0-9]+]] = !{i32 7, !"openmp-device", i32 50} +; CHECK: [[META5:![0-9]+]] = !{i32 7, !"PIC Level", i32 2} +; CHECK: [[META6:![0-9]+]] = !{i32 7, !"frame-pointer", i32 2} +; CHECK: [[META7:![0-9]+]] = !{!"clang version 14.0.0"} +; CHECK: [[META8:![0-9]+]] = !{!9} +; CHECK: [[META9:![0-9]+]] = distinct !{!9, !10, !"__omp_outlined__: %__context"} +; CHECK: [[META10:![0-9]+]] = distinct !{!10, !"__omp_outlined__"} +; CHECK: [[LOOP11]] = distinct !{!11, !12} +; CHECK: [[META12:![0-9]+]] = !{!"llvm.loop.mustprogress"} +;. +; CHECK-DISABLED: [[META0:![0-9]+]] = !{i32 0, i32 42, i32 16513658, !"sequential_loop", i32 6, i32 0} +; CHECK-DISABLED: [[META1:![0-9]+]] = !{void (i32*, i64)* @__omp_offloading_2a_fbfa7a_sequential_loop_l6, !"kernel", i32 1} +; CHECK-DISABLED: [[META2:![0-9]+]] = !{i32 1, !"wchar_size", i32 4} +; CHECK-DISABLED: [[META3:![0-9]+]] = !{i32 7, !"openmp", i32 50} +; CHECK-DISABLED: [[META4:![0-9]+]] = !{i32 7, !"openmp-device", i32 50} +; CHECK-DISABLED: [[META5:![0-9]+]] = !{i32 7, !"PIC Level", i32 2} +; CHECK-DISABLED: [[META6:![0-9]+]] = !{i32 7, !"frame-pointer", i32 2} +; CHECK-DISABLED: [[META7:![0-9]+]] = !{!"clang version 14.0.0"} +; CHECK-DISABLED: [[META8:![0-9]+]] = !{!9} +; CHECK-DISABLED: [[META9:![0-9]+]] = distinct !{!9, !10, !"__omp_outlined__: %__context"} +; CHECK-DISABLED: [[META10:![0-9]+]] = distinct !{!10, !"__omp_outlined__"} +; CHECK-DISABLED: [[LOOP11]] = distinct !{!11, !12} +; CHECK-DISABLED: [[META12:![0-9]+]] = !{!"llvm.loop.mustprogress"} +;.