[llvm] 058c312 - [OpenMP][FIX] SPMDzation guarding needs to account for all reaching kernels
Joseph Huber via llvm-commits
llvm-commits at lists.llvm.org
Wed Dec 1 08:44:54 PST 2021
Author: Joseph Huber
Date: 2021-12-01T11:44:32-05:00
New Revision: 058c312a449fcce2743fb8d789a25fd2e0f416d7
URL: https://github.com/llvm/llvm-project/commit/058c312a449fcce2743fb8d789a25fd2e0f416d7
DIFF: https://github.com/llvm/llvm-project/commit/058c312a449fcce2743fb8d789a25fd2e0f416d7.diff
LOG: [OpenMP][FIX] SPMDzation guarding needs to account for all reaching kernels
If two reaching kernels disagree on the execution mode we cannot guard a
function right now. Ensure we do not as we otherwise will cause a
deadlock.
Reviewed By: JonChesterfield
Differential Revision: https://reviews.llvm.org/D114866
Added:
llvm/test/Transforms/OpenMP/spmdization_guarding_two_reaching_kernels.ll
Modified:
llvm/lib/Transforms/IPO/OpenMPOpt.cpp
Removed:
################################################################################
diff --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
index eb062eeff2270..055ee6b502968 100644
--- a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
+++ b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
@@ -3728,12 +3728,37 @@ struct AAKernelInfoFunction : AAKernelInfo {
CheckRWInst, *this, UsedAssumedInformationInCheckRWInst))
SPMDCompatibilityTracker.indicatePessimisticFixpoint();
+ bool UsedAssumedInformationFromReachingKernels = false;
if (!IsKernelEntry) {
- updateReachingKernelEntries(A);
updateParallelLevels(A);
+ bool AllReachingKernelsKnown = true;
+ updateReachingKernelEntries(A, AllReachingKernelsKnown);
+ UsedAssumedInformationFromReachingKernels = !AllReachingKernelsKnown;
+
if (!ParallelLevels.isValidState())
SPMDCompatibilityTracker.indicatePessimisticFixpoint();
+ else if (!ReachingKernelEntries.isValidState())
+ SPMDCompatibilityTracker.indicatePessimisticFixpoint();
+ else if (!SPMDCompatibilityTracker.empty()) {
+ // Check if all reaching kernels agree on the mode as we can otherwise
+ // not guard instructions. We might not be sure about the mode so we
+ // we cannot fix the internal spmd-zation state either.
+ int SPMD = 0, Generic = 0;
+ for (auto *Kernel : ReachingKernelEntries) {
+ auto &CBAA = A.getAAFor<AAKernelInfo>(
+ *this, IRPosition::function(*Kernel), DepClassTy::OPTIONAL);
+ if (CBAA.SPMDCompatibilityTracker.isValidState() &&
+ CBAA.SPMDCompatibilityTracker.isAssumed())
+ ++SPMD;
+ else
+ ++Generic;
+ if (!CBAA.SPMDCompatibilityTracker.isAtFixpoint())
+ UsedAssumedInformationFromReachingKernels = true;
+ }
+ if (SPMD != 0 && Generic != 0)
+ SPMDCompatibilityTracker.indicatePessimisticFixpoint();
+ }
}
// Callback to check a call instruction.
@@ -3780,7 +3805,8 @@ struct AAKernelInfoFunction : AAKernelInfo {
// If we haven't used any assumed information for the SPMD state we can fix
// it.
if (!UsedAssumedInformationInCheckRWInst &&
- !UsedAssumedInformationInCheckCallInst && AllSPMDStatesWereFixed)
+ !UsedAssumedInformationInCheckCallInst &&
+ !UsedAssumedInformationFromReachingKernels && AllSPMDStatesWereFixed)
SPMDCompatibilityTracker.indicateOptimisticFixpoint();
return StateBefore == getState() ? ChangeStatus::UNCHANGED
@@ -3789,7 +3815,8 @@ struct AAKernelInfoFunction : AAKernelInfo {
private:
/// Update info regarding reaching kernels.
- void updateReachingKernelEntries(Attributor &A) {
+ void updateReachingKernelEntries(Attributor &A,
+ bool &AllReachingKernelsKnown) {
auto PredCallSite = [&](AbstractCallSite ACS) {
Function *Caller = ACS.getInstruction()->getFunction();
@@ -3809,10 +3836,9 @@ struct AAKernelInfoFunction : AAKernelInfo {
return true;
};
- bool AllCallSitesKnown;
if (!A.checkForAllCallSites(PredCallSite, *this,
true /* RequireAllCallSites */,
- AllCallSitesKnown))
+ AllReachingKernelsKnown))
ReachingKernelEntries.indicatePessimisticFixpoint();
}
diff --git a/llvm/test/Transforms/OpenMP/spmdization_guarding_two_reaching_kernels.ll b/llvm/test/Transforms/OpenMP/spmdization_guarding_two_reaching_kernels.ll
new file mode 100644
index 0000000000000..cb01af9f7a359
--- /dev/null
+++ b/llvm/test/Transforms/OpenMP/spmdization_guarding_two_reaching_kernels.ll
@@ -0,0 +1,295 @@
+; 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
+;
+; int G;
+;
+; void leaf() {
+; G = 42;
+; }
+;
+; void spmd_helper() {
+; leaf();
+; #pragma omp parallel
+; unknown();
+; }
+; void spmd() {
+; #pragma omp target
+; spmd_helper();
+; }
+;
+; void generic_helper() {
+; leaf();
+; }
+; void generic() {
+; #pragma omp target
+; generic_helper();
+; }
+;
+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_2b_10393b5_spmd_l12_exec_mode = weak constant i8 1
+ at __omp_offloading_2b_10393b5_generic_l20_exec_mode = weak constant i8 1
+ at 2 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 2, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @0, i32 0, i32 0) }, align 8
+ at G = external global i32, align 4
+ at llvm.compiler.used = appending global [2 x i8*] [i8* @__omp_offloading_2b_10393b5_spmd_l12_exec_mode, i8* @__omp_offloading_2b_10393b5_generic_l20_exec_mode], section "llvm.metadata"
+
+;.
+; 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_2B_10393B5_SPMD_L12_EXEC_MODE:[a-zA-Z0-9_$"\\.-]+]] = weak constant i8 1
+; CHECK: @[[__OMP_OFFLOADING_2B_10393B5_GENERIC_L20_EXEC_MODE:[a-zA-Z0-9_$"\\.-]+]] = weak constant i8 1
+; CHECK: @[[GLOB2:[0-9]+]] = private unnamed_addr constant [[STRUCT_IDENT_T:%.*]] { i32 0, i32 2, i32 2, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @[[GLOB0]], i32 0, i32 0) }, align 8
+; CHECK: @[[G:[a-zA-Z0-9_$"\\.-]+]] = external global i32, align 4
+; CHECK: @[[LLVM_COMPILER_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [2 x i8*] [i8* @__omp_offloading_2b_10393b5_spmd_l12_exec_mode, i8* @__omp_offloading_2b_10393b5_generic_l20_exec_mode], section "llvm.metadata"
+; CHECK: @[[__OMP_OUTLINED___WRAPPER_ID:[a-zA-Z0-9_$"\\.-]+]] = private constant i8 undef
+;.
+define weak void @__omp_offloading_2b_10393b5_spmd_l12() #0 {
+; CHECK-LABEL: define {{[^@]+}}@__omp_offloading_2b_10393b5_spmd_l12
+; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[WORKER_WORK_FN_ADDR:%.*]] = alloca i8*, align 8
+; CHECK-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 1, i1 false, i1 true)
+; CHECK-NEXT: [[BLOCK_HW_SIZE:%.*]] = call i32 @__kmpc_get_hardware_num_threads_in_block()
+; CHECK-NEXT: [[WARP_SIZE:%.*]] = call i32 @__kmpc_get_warp_size()
+; CHECK-NEXT: [[BLOCK_SIZE:%.*]] = sub i32 [[BLOCK_HW_SIZE]], [[WARP_SIZE]]
+; CHECK-NEXT: [[THREAD_IS_MAIN_OR_WORKER:%.*]] = icmp slt i32 [[TMP0]], [[BLOCK_SIZE]]
+; CHECK-NEXT: br i1 [[THREAD_IS_MAIN_OR_WORKER]], label [[IS_WORKER_CHECK:%.*]], label [[WORKER_STATE_MACHINE_FINISHED:%.*]]
+; CHECK: is_worker_check:
+; CHECK-NEXT: [[THREAD_IS_WORKER:%.*]] = icmp ne i32 [[TMP0]], -1
+; CHECK-NEXT: br i1 [[THREAD_IS_WORKER]], label [[WORKER_STATE_MACHINE_BEGIN:%.*]], label [[THREAD_USER_CODE_CHECK:%.*]]
+; CHECK: worker_state_machine.begin:
+; CHECK-NEXT: call void @__kmpc_barrier_simple_generic(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]])
+; CHECK-NEXT: [[WORKER_IS_ACTIVE:%.*]] = call i1 @__kmpc_kernel_parallel(i8** [[WORKER_WORK_FN_ADDR]])
+; CHECK-NEXT: [[WORKER_WORK_FN:%.*]] = load i8*, i8** [[WORKER_WORK_FN_ADDR]], align 8
+; CHECK-NEXT: [[WORKER_WORK_FN_ADDR_CAST:%.*]] = bitcast i8* [[WORKER_WORK_FN]] to void (i16, i32)*
+; CHECK-NEXT: [[WORKER_IS_DONE:%.*]] = icmp eq i8* [[WORKER_WORK_FN]], null
+; CHECK-NEXT: br i1 [[WORKER_IS_DONE]], label [[WORKER_STATE_MACHINE_FINISHED]], label [[WORKER_STATE_MACHINE_IS_ACTIVE_CHECK:%.*]]
+; CHECK: worker_state_machine.finished:
+; CHECK-NEXT: ret void
+; CHECK: worker_state_machine.is_active.check:
+; CHECK-NEXT: br i1 [[WORKER_IS_ACTIVE]], label [[WORKER_STATE_MACHINE_PARALLEL_REGION_CHECK:%.*]], label [[WORKER_STATE_MACHINE_DONE_BARRIER:%.*]]
+; CHECK: worker_state_machine.parallel_region.check:
+; CHECK-NEXT: br i1 true, label [[WORKER_STATE_MACHINE_PARALLEL_REGION_EXECUTE:%.*]], label [[WORKER_STATE_MACHINE_PARALLEL_REGION_CHECK1:%.*]]
+; CHECK: worker_state_machine.parallel_region.execute:
+; CHECK-NEXT: call void @__omp_outlined___wrapper(i16 0, i32 [[TMP0]])
+; CHECK-NEXT: br label [[WORKER_STATE_MACHINE_PARALLEL_REGION_END:%.*]]
+; CHECK: worker_state_machine.parallel_region.check1:
+; CHECK-NEXT: br label [[WORKER_STATE_MACHINE_PARALLEL_REGION_END]]
+; CHECK: worker_state_machine.parallel_region.end:
+; CHECK-NEXT: call void @__kmpc_kernel_end_parallel()
+; CHECK-NEXT: br label [[WORKER_STATE_MACHINE_DONE_BARRIER]]
+; CHECK: worker_state_machine.done.barrier:
+; CHECK-NEXT: call void @__kmpc_barrier_simple_generic(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]])
+; CHECK-NEXT: br label [[WORKER_STATE_MACHINE_BEGIN]]
+; CHECK: thread.user_code.check:
+; 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: call void @spmd_helper() #[[ATTR5:[0-9]+]]
+; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 1, i1 true)
+; CHECK-NEXT: ret void
+; CHECK: worker.exit:
+; CHECK-NEXT: ret void
+;
+entry:
+ %0 = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 1, i1 true, i1 true)
+ %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
+ call void @spmd_helper() #5
+ call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 1, i1 true)
+ ret void
+
+worker.exit: ; preds = %entry
+ ret void
+}
+
+declare i32 @__kmpc_target_init(%struct.ident_t*, i8, i1, i1)
+
+declare void @__kmpc_target_deinit(%struct.ident_t*, i8, i1)
+
+; Function Attrs: convergent noinline norecurse nounwind
+define weak void @__omp_offloading_2b_10393b5_generic_l20() #0 {
+; CHECK-LABEL: define {{[^@]+}}@__omp_offloading_2b_10393b5_generic_l20
+; CHECK-SAME: () #[[ATTR0]] {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 1, i1 false, i1 true)
+; 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: call void @generic_helper() #[[ATTR6:[0-9]+]]
+; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 1, i1 true)
+; CHECK-NEXT: ret void
+; CHECK: worker.exit:
+; CHECK-NEXT: ret void
+;
+entry:
+ %0 = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 1, i1 true, i1 true)
+ %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
+ call void @generic_helper() #5
+ call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 1, i1 true)
+ ret void
+
+worker.exit: ; preds = %entry
+ ret void
+}
+
+; Function Attrs: convergent noinline nounwind
+define internal void @spmd_helper() #1 {
+; CHECK-LABEL: define {{[^@]+}}@spmd_helper
+; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 8
+; CHECK-NEXT: call void @leaf() #[[ATTR7:[0-9]+]]
+; CHECK-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* noundef @[[GLOB2]]) #[[ATTR2:[0-9]+]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast [0 x i8*]* [[CAPTURED_VARS_ADDRS]] to i8**
+; CHECK-NEXT: call void @__kmpc_parallel_51(%struct.ident_t* noundef @[[GLOB2]], i32 [[TMP0]], i32 noundef 1, i32 noundef -1, i32 noundef -1, i8* noundef bitcast (void (i32*, i32*)* @__omp_outlined__ to i8*), i8* noundef @__omp_outlined___wrapper.ID, i8** noundef [[TMP1]], i64 noundef 0)
+; CHECK-NEXT: ret void
+;
+entry:
+ %captured_vars_addrs = alloca [0 x i8*], align 8
+ call void @leaf() #5
+ %0 = call i32 @__kmpc_global_thread_num(%struct.ident_t* @2)
+ %1 = bitcast [0 x i8*]* %captured_vars_addrs to i8**
+ call void @__kmpc_parallel_51(%struct.ident_t* @2, i32 %0, i32 1, i32 -1, i32 -1, i8* bitcast (void (i32*, i32*)* @__omp_outlined__ to i8*), i8* bitcast (void (i16, i32)* @__omp_outlined___wrapper to i8*), i8** %1, i64 0)
+ ret void
+}
+
+; Function Attrs: convergent noinline norecurse nounwind
+define internal void @__omp_outlined__(i32* noalias %.global_tid., i32* noalias %.bound_tid.) #0 {
+; CHECK-LABEL: define {{[^@]+}}@__omp_outlined__
+; CHECK-SAME: (i32* noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], i32* noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[DOTGLOBAL_TID__ADDR:%.*]] = alloca i32*, align 8
+; CHECK-NEXT: [[DOTBOUND_TID__ADDR:%.*]] = alloca i32*, align 8
+; CHECK-NEXT: call void @unknown() #[[ATTR8:[0-9]+]]
+; CHECK-NEXT: ret void
+;
+entry:
+ %.global_tid..addr = alloca i32*, align 8
+ %.bound_tid..addr = alloca i32*, align 8
+ store i32* %.global_tid., i32** %.global_tid..addr, align 8
+ store i32* %.bound_tid., i32** %.bound_tid..addr, align 8
+ call void @unknown() #5
+ ret void
+}
+
+; Function Attrs: convergent noinline norecurse nounwind
+define internal void @__omp_outlined___wrapper(i16 zeroext %0, i32 %1) #2 {
+; CHECK-LABEL: define {{[^@]+}}@__omp_outlined___wrapper
+; CHECK-SAME: (i16 zeroext [[TMP0:%.*]], i32 [[TMP1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[DOTADDR:%.*]] = alloca i16, align 2
+; CHECK-NEXT: [[DOTADDR1:%.*]] = alloca i32, align 4
+; CHECK-NEXT: [[DOTZERO_ADDR:%.*]] = alloca i32, align 4
+; CHECK-NEXT: [[GLOBAL_ARGS:%.*]] = alloca i8**, align 8
+; CHECK-NEXT: store i16 [[TMP0]], i16* [[DOTADDR]], align 2
+; CHECK-NEXT: store i32 [[TMP1]], i32* [[DOTADDR1]], align 4
+; CHECK-NEXT: store i32 0, i32* [[DOTZERO_ADDR]], align 4
+; CHECK-NEXT: call void @__kmpc_get_shared_variables(i8*** [[GLOBAL_ARGS]])
+; CHECK-NEXT: call void @__omp_outlined__(i32* [[DOTADDR1]], i32* [[DOTZERO_ADDR]]) #[[ATTR2]]
+; CHECK-NEXT: ret void
+;
+entry:
+ %.addr = alloca i16, align 2
+ %.addr1 = alloca i32, align 4
+ %.zero.addr = alloca i32, align 4
+ %global_args = alloca i8**, align 8
+ store i16 %0, i16* %.addr, align 2
+ store i32 %1, i32* %.addr1, align 4
+ store i32 0, i32* %.zero.addr, align 4
+ call void @__kmpc_get_shared_variables(i8*** %global_args)
+ call void @__omp_outlined__(i32* %.addr1, i32* %.zero.addr) #3
+ ret void
+}
+
+declare void @__kmpc_get_shared_variables(i8***)
+
+; Function Attrs: nounwind
+declare i32 @__kmpc_global_thread_num(%struct.ident_t*) #3
+
+; Function Attrs: alwaysinline
+declare void @__kmpc_parallel_51(%struct.ident_t*, i32, i32, i32, i32, i8*, i8*, i8**, i64) #4
+
+; Function Attrs: convergent noinline nounwind
+define internal void @leaf() #1 {
+; CHECK-LABEL: define {{[^@]+}}@leaf
+; CHECK-SAME: () #[[ATTR4:[0-9]+]] {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: store i32 42, i32* @G, align 4
+; CHECK-NEXT: ret void
+;
+entry:
+ store i32 42, i32* @G, align 4
+ ret void
+}
+
+; Function Attrs: convergent noinline nounwind
+define internal void @generic_helper() #1 {
+; CHECK-LABEL: define {{[^@]+}}@generic_helper
+; CHECK-SAME: () #[[ATTR4]] {
+; CHECK-NEXT: entry:
+; CHECK-NEXT: call void @leaf() #[[ATTR7]]
+; CHECK-NEXT: ret void
+;
+entry:
+ call void @leaf() #5
+ ret void
+}
+
+declare void @unknown()
+
+attributes #0 = { convergent noinline 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 noinline 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 #2 = { convergent noinline 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 #3 = { nounwind }
+attributes #4 = { alwaysinline }
+attributes #5 = { convergent }
+
+!omp_offload.info = !{!0, !1}
+!nvvm.annotations = !{!2, !3}
+!llvm.module.flags = !{!4, !5, !6, !7, !8}
+!llvm.ident = !{!9}
+
+!0 = !{i32 0, i32 43, i32 17011637, !"spmd", i32 12, i32 0}
+!1 = !{i32 0, i32 43, i32 17011637, !"generic", i32 20, i32 1}
+!2 = !{void ()* @__omp_offloading_2b_10393b5_spmd_l12, !"kernel", i32 1}
+!3 = !{void ()* @__omp_offloading_2b_10393b5_generic_l20, !"kernel", i32 1}
+!4 = !{i32 1, !"wchar_size", i32 4}
+!5 = !{i32 7, !"openmp", i32 50}
+!6 = !{i32 7, !"openmp-device", i32 50}
+!7 = !{i32 7, !"PIC Level", i32 2}
+!8 = !{i32 7, !"frame-pointer", i32 2}
+!9 = !{!"clang version 14.0.0"}
+;.
+; CHECK: attributes #[[ATTR0]] = { convergent noinline 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]] = { convergent noinline 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 #[[ATTR2]] = { nounwind }
+; CHECK: attributes #[[ATTR3:[0-9]+]] = { alwaysinline }
+; CHECK: attributes #[[ATTR4]] = { convergent nofree noinline nosync nounwind willreturn writeonly "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 #[[ATTR5]] = { convergent nounwind }
+; CHECK: attributes #[[ATTR6]] = { convergent nounwind writeonly }
+; CHECK: attributes #[[ATTR7]] = { convergent nofree nosync nounwind willreturn writeonly }
+; CHECK: attributes #[[ATTR8]] = { convergent }
+;.
+; CHECK: [[META0:![0-9]+]] = !{i32 0, i32 43, i32 17011637, !"spmd", i32 12, i32 0}
+; CHECK: [[META1:![0-9]+]] = !{i32 0, i32 43, i32 17011637, !"generic", i32 20, i32 1}
+; CHECK: [[META2:![0-9]+]] = !{void ()* @__omp_offloading_2b_10393b5_spmd_l12, !"kernel", i32 1}
+; CHECK: [[META3:![0-9]+]] = !{void ()* @__omp_offloading_2b_10393b5_generic_l20, !"kernel", i32 1}
+; CHECK: [[META4:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
+; CHECK: [[META5:![0-9]+]] = !{i32 7, !"openmp", i32 50}
+; CHECK: [[META6:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
+; CHECK: [[META7:![0-9]+]] = !{i32 7, !"PIC Level", i32 2}
+; CHECK: [[META8:![0-9]+]] = !{i32 7, !"frame-pointer", i32 2}
+; CHECK: [[META9:![0-9]+]] = !{!"clang version 14.0.0"}
+;.
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