[llvm] d2f206e - Revert "[OpenMP] Group side-effects to improve guarding efficiency"

Johannes Doerfert via llvm-commits llvm-commits at lists.llvm.org
Fri Sep 10 10:26:19 PDT 2021


Author: Johannes Doerfert
Date: 2021-09-10T12:24:00-05:00
New Revision: d2f206e0afeba2b08a42903cfb8ad97a7de8a92c

URL: https://github.com/llvm/llvm-project/commit/d2f206e0afeba2b08a42903cfb8ad97a7de8a92c
DIFF: https://github.com/llvm/llvm-project/commit/d2f206e0afeba2b08a42903cfb8ad97a7de8a92c.diff

LOG: Revert "[OpenMP] Group side-effects to improve guarding efficiency"

This reverts commit ca134c3963d310c2868f08c211011d610b4eefb5.

There seems to be a problem with the tests, investigating now:
  https://lab.llvm.org/buildbot/#/builders/61/builds/14574

Added: 
    

Modified: 
    llvm/lib/Transforms/IPO/OpenMPOpt.cpp

Removed: 
    llvm/test/Transforms/OpenMP/spmdization_guarding.ll


################################################################################
diff  --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
index 95e0dbdf4698f..5a1e24b71dfdc 100644
--- a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
+++ b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
@@ -3188,34 +3188,6 @@ struct AAKernelInfoFunction : AAKernelInfo {
             ->setDebugLoc(DL);
     };
 
-    auto &AllocSharedRFI = OMPInfoCache.RFIs[OMPRTL___kmpc_alloc_shared];
-    SmallPtrSet<BasicBlock *, 8> Visited;
-    for (Instruction *GuardedI : SPMDCompatibilityTracker) {
-      BasicBlock *BB = GuardedI->getParent();
-      if (!Visited.insert(BB).second)
-        continue;
-
-      SmallVector<std::pair<Instruction *, Instruction *>> 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<std::pair<Instruction *, Instruction *>, 4> GuardedRegions;
 
     for (Instruction *GuardedI : SPMDCompatibilityTracker) {
@@ -4270,6 +4242,7 @@ void OpenMPOpt::registerAAs(bool IsModulePass) {
           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
deleted file mode 100644
index 41ea149bf15d1..0000000000000
--- a/llvm/test/Transforms/OpenMP/spmdization_guarding.ll
+++ /dev/null
@@ -1,359 +0,0 @@
-; 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* }
-
- at 0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
- at 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
- at __omp_offloading_2a_fbfa7a_sequential_loop_l6_exec_mode = weak constant i8 1
- at 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"}
-;.


        


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