[OPENMP] Codegen for 'private' clause in 'task' directive.

For tasks codegen for private/firstprivate variables are different rather than for other directives.

1. Build an internal structure of privates for each private variable:
struct .kmp_privates_t. {
  Ty1 var1;
  ...
  Tyn varn;
};
2. Add a new field to kmp_task_t type with list of privates.
struct kmp_task_t {
  void *              shareds;
  kmp_routine_entry_t routine;
  kmp_int32           part_id;
  kmp_routine_entry_t destructors;
  .kmp_privates_t.    privates;
};
3. Create a function with destructors calls for all privates after end of task region.
kmp_int32 .omp_task_destructor.(kmp_int32 gtid, kmp_task_t *tt) {
  ~Destructor(&tt->privates.var1);
  ...
  ~Destructor(&tt->privates.varn);
  return 0;
}
4. Perform default initialization of all private fields (no initialization for POD data, default constructor calls for classes) + provide address of a destructor function after kmpc_omp_task_alloc() and before kmpc_omp_task() calls.
kmp_task_t *new_task = __kmpc_omp_task_alloc(ident_t *, kmp_int32 gtid, kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds, kmp_routine_entry_t *task_entry);

DefaultConstructor(new_task->privates.var1);
new_task->shareds.var1_ref = &new_task->privates.var1;
...
DefaultConstructor(new_task->privates.varn);
new_task->shareds.varn_ref = &new_task->privates.varn;

new_task->destructors = .omp_task_destructor.;
kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid, kmp_task_t *new_task)


Differential Revision: http://reviews.llvm.org/D9322

llvm-svn: 236207
This commit is contained in:
Alexey Bataev 2015-04-30 06:51:57 +00:00
parent 85c07007ea
commit 36c1eb95e0
4 changed files with 545 additions and 31 deletions

View File

@ -1601,6 +1601,9 @@ enum KmpTaskTFields {
KmpTaskTPartId,
/// \brief Function with call of destructors for private variables.
KmpTaskTDestructors,
/// \brief Record with list of all private/firstprivate copies for the task
/// directive.
KmpTaskTPrivates,
};
} // namespace
@ -1626,9 +1629,35 @@ static void addFieldToRecordDecl(ASTContext &C, DeclContext *DC,
DC->addDecl(Field);
}
static QualType createKmpTaskTRecordDecl(CodeGenModule &CGM,
QualType KmpInt32Ty,
QualType KmpRoutineEntryPointerQTy) {
namespace {
typedef std::pair<CharUnits /*Align*/,
std::pair<const VarDecl *, const VarDecl *>> VDPair;
} // namespace
static RecordDecl *createPrivatesRecordDecl(CodeGenModule &CGM,
const ArrayRef<VDPair> Privates) {
if (!Privates.empty()) {
auto &C = CGM.getContext();
// Build struct .kmp_privates_t. {
// /* private vars */
// };
auto *RD = C.buildImplicitRecord(".kmp_privates.t");
RD->startDefinition();
for (auto &&Pair : Privates) {
addFieldToRecordDecl(C, RD,
Pair.second.first->getType().getNonReferenceType());
}
// TODO: add firstprivate fields.
RD->completeDefinition();
return RD;
}
return nullptr;
}
static RecordDecl *createKmpTaskTRecordDecl(CodeGenModule &CGM,
QualType KmpInt32Ty,
QualType KmpRoutineEntryPointerQTy,
const ArrayRef<VDPair> Privates) {
auto &C = CGM.getContext();
// Build struct kmp_task_t {
// void * shareds;
@ -1643,9 +1672,11 @@ static QualType createKmpTaskTRecordDecl(CodeGenModule &CGM,
addFieldToRecordDecl(C, RD, KmpRoutineEntryPointerQTy);
addFieldToRecordDecl(C, RD, KmpInt32Ty);
addFieldToRecordDecl(C, RD, KmpRoutineEntryPointerQTy);
// TODO: add private fields.
if (auto *PrivateRD = createPrivatesRecordDecl(CGM, Privates)) {
addFieldToRecordDecl(C, RD, C.getRecordType(PrivateRD));
}
RD->completeDefinition();
return C.getRecordType(RD);
return RD;
}
/// \brief Emit a proxy function which accepts kmp_task_t as the second
@ -1695,13 +1726,12 @@ emitProxyTaskFunction(CodeGenModule &CGM, SourceLocation Loc,
C.getTypeAlignInChars(KmpInt32Ty).getQuantity(), KmpInt32Ty, Loc);
auto *SharedsPtr = CGF.Builder.CreateStructGEP(KmpTaskTTy, TaskTypeArgAddr,
/*Idx=*/KmpTaskTShareds);
auto *SharedsParam =
auto *SharedsParam = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(
CGF.EmitLoadOfScalar(SharedsPtr, /*Volatile=*/false,
CGM.PointerAlignInBytes, C.VoidPtrTy, Loc);
llvm::Value *CallArgs[] = {
GtidParam, PartidParam,
CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(
SharedsParam, CGF.ConvertTypeForMem(SharedsPtrTy))};
CGM.PointerAlignInBytes, C.VoidPtrTy, Loc),
CGF.ConvertTypeForMem(SharedsPtrTy));
llvm::Value *CallArgs[] = {GtidParam, PartidParam, SharedsParam};
CGF.EmitCallOrInvoke(TaskFunction, CallArgs);
CGF.EmitStoreThroughLValue(
RValue::get(CGF.Builder.getInt32(/*C=*/0)),
@ -1710,18 +1740,79 @@ emitProxyTaskFunction(CodeGenModule &CGM, SourceLocation Loc,
return TaskEntry;
}
void CGOpenMPRuntime::emitTaskCall(
CodeGenFunction &CGF, SourceLocation Loc, bool Tied,
llvm::PointerIntPair<llvm::Value *, 1, bool> Final,
llvm::Value *TaskFunction, QualType SharedsTy, llvm::Value *Shareds,
const Expr *IfCond) {
llvm::Value *emitDestructorsFunction(CodeGenModule &CGM, SourceLocation Loc,
QualType KmpInt32Ty,
QualType KmpTaskTPtrQTy,
QualType KmpTaskQTy,
RecordDecl *KmpTaskQTyRD) {
auto &C = CGM.getContext();
FunctionArgList Args;
ImplicitParamDecl GtidArg(C, /*DC=*/nullptr, Loc, /*Id=*/nullptr, KmpInt32Ty);
ImplicitParamDecl TaskTypeArg(C, /*DC=*/nullptr, Loc,
/*Id=*/nullptr, KmpTaskTPtrQTy);
Args.push_back(&GtidArg);
Args.push_back(&TaskTypeArg);
FunctionType::ExtInfo Info;
auto &DestructorFnInfo =
CGM.getTypes().arrangeFreeFunctionDeclaration(KmpInt32Ty, Args, Info,
/*isVariadic=*/false);
auto *DestructorFnTy = CGM.getTypes().GetFunctionType(DestructorFnInfo);
auto *DestructorFn =
llvm::Function::Create(DestructorFnTy, llvm::GlobalValue::InternalLinkage,
".omp_task_destructor.", &CGM.getModule());
CGM.SetLLVMFunctionAttributes(/*D=*/nullptr, DestructorFnInfo, DestructorFn);
CodeGenFunction CGF(CGM);
CGF.disableDebugInfo();
CGF.StartFunction(GlobalDecl(), KmpInt32Ty, DestructorFn, DestructorFnInfo,
Args);
auto *TaskTypeArgAddr = CGF.EmitLoadOfScalar(
CGF.GetAddrOfLocalVar(&TaskTypeArg), /*Volatile=*/false,
CGM.PointerAlignInBytes, KmpTaskTPtrQTy, Loc);
LValue Base = CGF.MakeNaturalAlignAddrLValue(TaskTypeArgAddr, KmpTaskQTy);
auto FI = std::next(KmpTaskQTyRD->field_begin(), KmpTaskTPrivates);
Base = CGF.EmitLValueForField(Base, *FI);
for (auto *Field :
cast<RecordDecl>(FI->getType()->getAsTagDecl())->fields()) {
if (auto DtorKind = Field->getType().isDestructedType()) {
auto FieldLValue = CGF.EmitLValueForField(Base, Field);
CGF.pushDestroy(DtorKind, FieldLValue.getAddress(), Field->getType());
}
}
CGF.FinishFunction();
return DestructorFn;
}
static int array_pod_sort_comparator(const VDPair *P1, const VDPair *P2) {
return P1->first < P2->first ? 1 : (P2->first < P1->first ? -1 : 0);
}
void CGOpenMPRuntime::emitTaskCall(
CodeGenFunction &CGF, SourceLocation Loc, const OMPExecutableDirective &D,
bool Tied, llvm::PointerIntPair<llvm::Value *, 1, bool> Final,
llvm::Value *TaskFunction, QualType SharedsTy, llvm::Value *Shareds,
const Expr *IfCond, const ArrayRef<const Expr *> PrivateVars,
const ArrayRef<const Expr *> PrivateCopies) {
auto &C = CGM.getContext();
llvm::SmallVector<VDPair, 8> Privates;
auto I = PrivateCopies.begin();
// Aggeregate privates and sort them by the alignment.
for (auto *E : PrivateVars) {
auto *VD = cast<VarDecl>(cast<DeclRefExpr>(E)->getDecl());
Privates.push_back(std::make_pair(
C.getTypeAlignInChars(VD->getType()),
std::make_pair(VD, cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl()))));
++I;
}
llvm::array_pod_sort(Privates.begin(), Privates.end(),
array_pod_sort_comparator);
auto KmpInt32Ty = C.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1);
// Build type kmp_routine_entry_t (if not built yet).
emitKmpRoutineEntryT(KmpInt32Ty);
// Build particular struct kmp_task_t for the given task.
auto KmpTaskQTy =
createKmpTaskTRecordDecl(CGM, KmpInt32Ty, KmpRoutineEntryPtrQTy);
auto *KmpTaskQTyRD = createKmpTaskTRecordDecl(
CGM, KmpInt32Ty, KmpRoutineEntryPtrQTy, Privates);
auto KmpTaskQTy = C.getRecordType(KmpTaskQTyRD);
QualType KmpTaskTPtrQTy = C.getPointerType(KmpTaskQTy);
auto *KmpTaskTTy = CGF.ConvertType(KmpTaskQTy);
auto *KmpTaskTPtrTy = KmpTaskTTy->getPointerTo();
@ -1762,18 +1853,57 @@ void CGOpenMPRuntime::emitTaskCall(
CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(NewTask, KmpTaskTPtrTy);
// Fill the data in the resulting kmp_task_t record.
// Copy shareds if there are any.
auto *KmpTaskSharedsPtr = CGF.EmitLoadOfScalar(
CGF.Builder.CreateStructGEP(KmpTaskTTy, NewTaskNewTaskTTy,
/*Idx=*/KmpTaskTShareds),
/*Volatile=*/false, CGM.PointerAlignInBytes, SharedsPtrTy, Loc);
if (!SharedsTy->getAsStructureType()->getDecl()->field_empty())
CGF.EmitAggregateCopy(
CGF.EmitLoadOfScalar(
CGF.Builder.CreateStructGEP(KmpTaskTTy, NewTaskNewTaskTTy,
/*Idx=*/KmpTaskTShareds),
/*Volatile=*/false, CGM.PointerAlignInBytes, SharedsPtrTy, Loc),
Shareds, SharedsTy);
// TODO: generate function with destructors for privates.
CGF.EmitAggregateCopy(KmpTaskSharedsPtr, Shareds, SharedsTy);
// Emit initial values for private copies (if any).
bool NeedsCleanup = false;
if (!Privates.empty()) {
LValue Base = CGF.MakeNaturalAlignAddrLValue(NewTaskNewTaskTTy, KmpTaskQTy);
auto FI = std::next(KmpTaskQTyRD->field_begin(), KmpTaskTPrivates);
Base = CGF.EmitLValueForField(Base, *FI);
FI = cast<RecordDecl>(FI->getType()->getAsTagDecl())->field_begin();
LValue SharedsBase = CGF.MakeNaturalAlignAddrLValue(
CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(
KmpTaskSharedsPtr, CGF.ConvertTypeForMem(SharedsPtrTy)),
SharedsTy);
CodeGenFunction::CGCapturedStmtInfo CapturesInfo(
cast<CapturedStmt>(*D.getAssociatedStmt()));
for (auto &&Pair : Privates) {
auto *VD = Pair.second.second;
auto *Init = VD->getAnyInitializer();
LValue PrivateLValue = CGF.EmitLValueForField(Base, *FI);
if (Init) {
CGF.EmitExprAsInit(Init, VD, PrivateLValue, /*capturedByInit=*/false);
}
NeedsCleanup = NeedsCleanup || FI->getType().isDestructedType();
// Copy addresses of privates to corresponding references in the list of
// captured variables.
// ...
// tt->shareds.var_addr = &tt->privates.private_var;
// ...
auto *OriginalVD = Pair.second.first;
auto *SharedField = CapturesInfo.lookup(OriginalVD);
auto SharedRefLValue =
CGF.EmitLValueForFieldInitialization(SharedsBase, SharedField);
CGF.EmitStoreThroughLValue(RValue::get(PrivateLValue.getAddress()),
SharedRefLValue);
++FI, ++I;
}
}
// Provide pointer to function with destructors for privates.
llvm::Value *DestructorFn =
NeedsCleanup
? emitDestructorsFunction(CGM, Loc, KmpInt32Ty, KmpTaskTPtrQTy,
KmpTaskQTy, KmpTaskQTyRD)
: llvm::ConstantPointerNull::get(
cast<llvm::PointerType>(KmpRoutineEntryPtrTy));
CGF.Builder.CreateAlignedStore(
llvm::ConstantPointerNull::get(
cast<llvm::PointerType>(KmpRoutineEntryPtrTy)),
CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(DestructorFn,
KmpRoutineEntryPtrTy),
CGF.Builder.CreateStructGEP(KmpTaskTTy, NewTaskNewTaskTTy,
/*Idx=*/KmpTaskTDestructors),
CGM.PointerAlignInBytes);

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@ -540,6 +540,7 @@ public:
/// 4. Emit a call to kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32 gtid,
/// kmp_task_t *new_task), where new_task is a resulting structure from
/// previous items.
/// \param D Current task directive.
/// \param Tied true if the task is tied (the task is tied to the thread that
/// can suspend its task region), false - untied (the task is not tied to any
/// thread).
@ -553,10 +554,17 @@ public:
/// TaskFunction.
/// \param IfCond Not a nullptr if 'if' clause was specified, nullptr
/// otherwise.
virtual void emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc, bool Tied,
/// \param PrivateVars List of references to private variables for the task
/// directive.
/// \param PrivateCopies List of private copies for each private variable in
/// \a PrivateVars.
virtual void emitTaskCall(CodeGenFunction &CGF, SourceLocation Loc,
const OMPExecutableDirective &D, bool Tied,
llvm::PointerIntPair<llvm::Value *, 1, bool> Final,
llvm::Value *TaskFunction, QualType SharedsTy,
llvm::Value *Shareds, const Expr *IfCond);
llvm::Value *Shareds, const Expr *IfCond,
const ArrayRef<const Expr *> PrivateVars,
const ArrayRef<const Expr *> PrivateCopies);
/// \brief Emit code for the directive that does not require outlining.
///

View File

@ -1373,9 +1373,25 @@ void CodeGenFunction::EmitOMPTaskDirective(const OMPTaskDirective &S) {
if (auto C = S.getSingleClause(OMPC_if)) {
IfCond = cast<OMPIfClause>(C)->getCondition();
}
CGM.getOpenMPRuntime().emitTaskCall(*this, S.getLocStart(), Tied, Final,
// Get list of private variables.
llvm::SmallVector<const Expr *, 8> Privates;
llvm::SmallVector<const Expr *, 8> PrivateCopies;
llvm::DenseSet<const VarDecl *> EmittedAsPrivate;
for (auto &&I = S.getClausesOfKind(OMPC_private); I; ++I) {
auto *C = cast<OMPPrivateClause>(*I);
auto IRef = C->varlist_begin();
for (auto *IInit : C->private_copies()) {
auto *OrigVD = cast<VarDecl>(cast<DeclRefExpr>(*IRef)->getDecl());
if (EmittedAsPrivate.insert(OrigVD->getCanonicalDecl()).second) {
Privates.push_back(*IRef);
PrivateCopies.push_back(IInit);
}
++IRef;
}
}
CGM.getOpenMPRuntime().emitTaskCall(*this, S.getLocStart(), S, Tied, Final,
OutlinedFn, SharedsTy, CapturedStruct,
IfCond);
IfCond, Privates, PrivateCopies);
}
void CodeGenFunction::EmitOMPTaskyieldDirective(

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@ -0,0 +1,360 @@
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
template <class T>
struct S {
T f;
S(T a) : f(a) {}
S() : f() {}
operator T() { return T(); }
~S() {}
};
volatile double g;
// CHECK-DAG: [[S_DOUBLE_TY:%.+]] = type { double }
// CHECK-DAG: [[CAP_MAIN_TY:%.+]] = type { [2 x i32]*, i32*, [2 x [[S_DOUBLE_TY]]]*, [[S_DOUBLE_TY]]* }
// CHECK-DAG: [[PRIVATES_MAIN_TY:%.+]] = type {{.?}}{ [[S_DOUBLE_TY]], [2 x [[S_DOUBLE_TY]]], i32, [2 x i32]
// CHECK-DAG: [[KMP_TASK_MAIN_TY:%.+]] = type { i8*, i32 (i32, i8*)*, i32, i32 (i32, i8*)*, [[PRIVATES_MAIN_TY]] }
// CHECK-DAG: [[S_INT_TY:%.+]] = type { i32 }
// CHECK-DAG: [[CAP_TMAIN_TY:%.+]] = type { [2 x i32]*, i32*, [2 x [[S_INT_TY]]]*, [[S_INT_TY]]* }
// CHECK-DAG: [[PRIVATES_TMAIN_TY:%.+]] = type { i32, [2 x i32], [2 x [[S_INT_TY]]], [[S_INT_TY]] }
// CHECK-DAG: [[KMP_TASK_TMAIN_TY:%.+]] = type { i8*, i32 (i32, i8*)*, i32, i32 (i32, i8*)*, [[PRIVATES_TMAIN_TY]] }
template <typename T>
T tmain() {
S<T> test;
T t_var = T();
T vec[] = {1, 2};
S<T> s_arr[] = {1, 2};
S<T> var(3);
#pragma omp task private(t_var, vec, s_arr, s_arr, var, var)
{
vec[0] = t_var;
s_arr[0] = var;
}
return T();
}
int main() {
#ifdef LAMBDA
// LAMBDA: [[G:@.+]] = global double
// LAMBDA-LABEL: @main
// LAMBDA: call{{( x86_thiscallcc)?}} void [[OUTER_LAMBDA:@.+]](
[&]() {
// LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
// LAMBDA: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^ ]+}} @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 40, i64 8, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
// LAMBDA: [[PRIVATES:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 4
// LAMBDA: [[G_PRIVATE_ADDR:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
// LAMBDA: [[G_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 0
// LAMBDA: store double* [[G_PRIVATE_ADDR]], double** [[G_ADDR_REF]],
// LAMBDA: call i32 @__kmpc_omp_task(%{{.+}}* @{{.+}}, i32 %{{.+}}, i8* [[RES]])
// LAMBDA: ret
#pragma omp task private(g)
{
// LAMBDA: define {{.+}} void [[INNER_LAMBDA:@.+]](%{{.+}}* [[ARG_PTR:%.+]])
// LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
// LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
// LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
// LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
// LAMBDA: store volatile double 2.0{{.+}}, double* [[G_REF]]
// LAMBDA: define internal i32 [[TASK_ENTRY]](i32, %{{.+}}*)
g = 1;
// LAMBDA: store volatile double 1.0{{.+}}, double* %{{.+}},
// LAMBDA: call void [[INNER_LAMBDA]](%
// LAMBDA: ret
[&]() {
g = 2;
}();
}
}();
return 0;
#elif defined(BLOCKS)
// BLOCKS: [[G:@.+]] = global double
// BLOCKS-LABEL: @main
// BLOCKS: call void {{%.+}}(i8
^{
// BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
// BLOCKS: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^ ]+}} @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 40, i64 8, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
// BLOCKS: [[PRIVATES:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 4
// BLOCKS: [[G_PRIVATE_ADDR:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
// BLOCKS: [[G_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 0
// BLOCKS: store double* [[G_PRIVATE_ADDR]], double** [[G_ADDR_REF]],
// BLOCKS: call i32 @__kmpc_omp_task(%{{.+}}* @{{.+}}, i32 %{{.+}}, i8* [[RES]])
// BLOCKS: ret
#pragma omp task private(g)
{
// BLOCKS: define {{.+}} void {{@.+}}(i8*
// BLOCKS-NOT: [[G]]{{[[^:word:]]}}
// BLOCKS: store volatile double 2.0{{.+}}, double*
// BLOCKS-NOT: [[G]]{{[[^:word:]]}}
// BLOCKS: ret
// BLOCKS: define internal i32 [[TASK_ENTRY]](i32, %{{.+}}*)
g = 1;
// BLOCKS: store volatile double 1.0{{.+}}, double* %{{.+}},
// BLOCKS-NOT: [[G]]{{[[^:word:]]}}
// BLOCKS: call void {{%.+}}(i8
^{
g = 2;
}();
}
}();
return 0;
#else
S<double> test;
int t_var = 0;
int vec[] = {1, 2};
S<double> s_arr[] = {1, 2};
S<double> var(3);
#pragma omp task private(var, t_var, s_arr, vec, s_arr, var)
{
vec[0] = t_var;
s_arr[0] = var;
}
return tmain<int>();
#endif
}
// CHECK: define i{{[0-9]+}} @main()
// CHECK: [[TEST:%.+]] = alloca [[S_DOUBLE_TY]],
// CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
// CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
// CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_DOUBLE_TY]]],
// CHECK: [[VAR_ADDR:%.+]] = alloca [[S_DOUBLE_TY]],
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[LOC:%.+]])
// CHECK: call {{.*}} [[S_DOUBLE_TY_DEF_CONSTR:@.+]]([[S_DOUBLE_TY]]* [[TEST]])
// Store original variables in capture struct.
// CHECK: [[VEC_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 0
// CHECK: store [2 x i32]* [[VEC_ADDR]], [2 x i32]** [[VEC_REF]],
// CHECK: [[T_VAR_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 1
// CHECK: store i32* [[T_VAR_ADDR]], i32** [[T_VAR_REF]],
// CHECK: [[S_ARR_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 2
// CHECK: store [2 x [[S_DOUBLE_TY]]]* [[S_ARR_ADDR]], [2 x [[S_DOUBLE_TY]]]** [[S_ARR_REF]],
// CHECK: [[VAR_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 3
// CHECK: store [[S_DOUBLE_TY]]* [[VAR_ADDR]], [[S_DOUBLE_TY]]** [[VAR_REF]],
// Allocate task.
// Returns struct kmp_task_t {
// void * shareds;
// kmp_routine_entry_t routine;
// kmp_int32 part_id;
// kmp_routine_entry_t destructors;
// [[KMP_TASK_MAIN_TY]] privates;
// };
// CHECK: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc([[LOC]], i32 [[GTID]], i32 1, i64 72, i64 32, i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_MAIN_TY]]*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[RES_KMP_TASK:%.+]] = bitcast i8* [[RES]] to [[KMP_TASK_MAIN_TY]]*
// Fill kmp_task_t->shareds by copying from original capture argument.
// CHECK: [[SHAREDS_REF_ADDR:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
// CHECK: [[SHAREDS_REF:%.+]] = load i8*, i8** [[SHAREDS_REF_ADDR]],
// CHECK: [[CAPTURES_ADDR:%.+]] = bitcast [[CAP_MAIN_TY]]* %{{.+}} to i8*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[SHAREDS_REF]], i8* [[CAPTURES_ADDR]], i64 32, i32 8, i1 false)
// Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
// Also copy address of private copy to the corresponding shareds reference.
// CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 4
// CHECK: [[SHAREDS:%.+]] = bitcast i8* [[SHAREDS_REF]] to [[CAP_MAIN_TY]]*
// Constructors for s_arr and var.
// var;
// CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
// CHECK: call void [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]* [[PRIVATE_VAR_REF:%.+]])
// shareds->var_addr = &kmp_task_t->privates.var;
// CHECK: [[VAR_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 3
// CHECK: store [[S_DOUBLE_TY]]* [[PRIVATE_VAR_REF]], [[S_DOUBLE_TY]]** [[VAR_ADDR_REF]],
// a_arr;
// CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
// CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
// CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} 2
// CHECK: call void [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]* [[S_ARR_CUR:%.+]])
// CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* [[S_ARR_CUR]], i{{.+}} 1
// CHECK: icmp eq
// CHECK: br i1
// shareds->s_arr_addr = &kmp_task_t->privates.s_arr;
// CHECK: [[S_ARR_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 2
// CHECK: store [2 x [[S_DOUBLE_TY]]]* [[PRIVATE_S_ARR_REF]], [2 x [[S_DOUBLE_TY]]]** [[S_ARR_ADDR_REF]],
// shareds->t_var_addr = &kmp_task_t->privates.t_var;
// CHECK: [[PRIVATE_T_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
// CHECK: [[T_VAR_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 1
// CHECK: store i32* [[PRIVATE_T_VAR_REF]], i32** [[T_VAR_ADDR_REF]],
// shareds->vec_addr = &kmp_task_t->privates.vec;
// CHECK: [[PRIVATE_VEC_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
// CHECK: [[VEC_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 0
// CHECK: store [2 x i32]* [[PRIVATE_VEC_REF]], [2 x i32]** [[VEC_ADDR_REF]],
// Provide pointer to destructor function, which will destroy private variables at the end of the task.
// CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK]], i{{.+}} 0, i{{.+}} 3
// CHECK: store i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_MAIN_TY]]*)* [[DESTRUCTORS:@.+]] to i32 (i32, i8*)*), i32 (i32, i8*)** [[DESTRUCTORS_REF]],
// Start task.
// CHECK: call i32 @__kmpc_omp_task([[LOC]], i32 [[GTID]], i8* [[RES]])
// CHECK: = call i{{.+}} [[TMAIN_INT:@.+]]()
// No destructors must be called for private copies of s_arr and var.
// CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
// CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
// CHECK: call void [[S_DOUBLE_TY_DESTR:@.+]]([[S_DOUBLE_TY]]*
// CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
// CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
// CHECK: ret
//
// CHECK: define internal i32 [[TASK_ENTRY]](i32, [[KMP_TASK_MAIN_TY]]*)
// CHECK: [[SHAREDS_ADDR_REF:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK:%.+]], i{{.+}} 0, i{{.+}} 0
// CHECK: [[SHAREDS_REF:%.+]] = load i8*, i8** [[SHAREDS_ADDR_REF]],
// CHECK: [[SHAREDS:%.+]] = bitcast i8* [[SHAREDS_REF]] to [[CAP_MAIN_TY]]*
// Privates actually are used.
// CHECK-DAG: getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 0
// CHECK-DAG: getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 1
// CHECK-DAG: getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 2
// CHECK-DAG: getelementptr inbounds [[CAP_MAIN_TY]], [[CAP_MAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 3
// CHECK: ret
// CHECK: define internal i32 [[DESTRUCTORS]](i32, [[KMP_TASK_MAIN_TY]]*)
// CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 4
// CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
// CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
// CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
// CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} 2
// CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} -1
// CHECK: call void [[S_DOUBLE_TY_DESTR]]([[S_DOUBLE_TY]]* [[PRIVATE_S_ARR_ELEM_REF]])
// CHECK: icmp eq
// CHECK: br i1
// CHECK: call void [[S_DOUBLE_TY_DESTR]]([[S_DOUBLE_TY]]* [[PRIVATE_VAR_REF]])
// CHECK: ret i32
// CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
// CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
// CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
// CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
// CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_INT_TY]]],
// CHECK: [[VAR_ADDR:%.+]] = alloca [[S_INT_TY]],
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[LOC:%.+]])
// CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* [[TEST]])
// Store original variables in capture struct.
// CHECK: [[VEC_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 0
// CHECK: store [2 x i32]* [[VEC_ADDR]], [2 x i32]** [[VEC_REF]],
// CHECK: [[T_VAR_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 1
// CHECK: store i32* [[T_VAR_ADDR]], i32** [[T_VAR_REF]],
// CHECK: [[S_ARR_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 2
// CHECK: store [2 x [[S_INT_TY]]]* [[S_ARR_ADDR]], [2 x [[S_INT_TY]]]** [[S_ARR_REF]],
// CHECK: [[VAR_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 3
// CHECK: store [[S_INT_TY]]* [[VAR_ADDR]], [[S_INT_TY]]** [[VAR_REF]],
// Allocate task.
// Returns struct kmp_task_t {
// void * shareds;
// kmp_routine_entry_t routine;
// kmp_int32 part_id;
// kmp_routine_entry_t destructors;
// [[KMP_TASK_TMAIN_TY]] privates;
// };
// CHECK: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc([[LOC]], i32 [[GTID]], i32 1, i64 56, i64 32, i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_TMAIN_TY]]*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[RES_KMP_TASK:%.+]] = bitcast i8* [[RES]] to [[KMP_TASK_TMAIN_TY]]*
// Fill kmp_task_t->shareds by copying from original capture argument.
// CHECK: [[SHAREDS_REF_ADDR:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
// CHECK: [[SHAREDS_REF:%.+]] = load i8*, i8** [[SHAREDS_REF_ADDR]],
// CHECK: [[CAPTURES_ADDR:%.+]] = bitcast [[CAP_TMAIN_TY]]* %{{.+}} to i8*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[SHAREDS_REF]], i8* [[CAPTURES_ADDR]], i64 32, i32 8, i1 false)
// Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
// CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 4
// CHECK: [[SHAREDS:%.+]] = bitcast i8* [[SHAREDS_REF]] to [[CAP_TMAIN_TY]]*
// shareds->t_var_addr = &kmp_task_t->privates.t_var;
// CHECK: [[PRIVATE_T_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
// CHECK: [[T_VAR_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 1
// CHECK: store i32* [[PRIVATE_T_VAR_REF]], i32** [[T_VAR_ADDR_REF]],
// shareds->vec_addr = &kmp_task_t->privates.vec;
// CHECK: [[PRIVATE_VEC_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
// CHECK: [[VEC_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 0
// CHECK: store [2 x i32]* [[PRIVATE_VEC_REF]], [2 x i32]** [[VEC_ADDR_REF]],
// Constructors for s_arr and var.
// a_arr;
// CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
// CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], [2 x [[S_INT_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
// CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i{{.+}} 2
// CHECK: call void [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[S_ARR_CUR:%.+]])
// CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* [[S_ARR_CUR]], i{{.+}} 1
// CHECK: icmp eq
// CHECK: br i1
// shareds->s_arr_addr = &kmp_task_t->privates.s_arr;
// CHECK: [[S_ARR_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 2
// CHECK: store [2 x [[S_INT_TY]]]* [[PRIVATE_S_ARR_REF]], [2 x [[S_INT_TY]]]** [[S_ARR_ADDR_REF]],
// var;
// CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
// CHECK: call void [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[PRIVATE_VAR_REF:%.+]])
// shareds->var_addr = &kmp_task_t->privates.var;
// CHECK: [[VAR_ADDR_REF:%.+]] = getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* [[SHAREDS]], i{{.+}} 0, i{{.+}} 3
// CHECK: store [[S_INT_TY]]* [[PRIVATE_VAR_REF]], [[S_INT_TY]]** [[VAR_ADDR_REF]],
// Provide pointer to destructor function, which will destroy private variables at the end of the task.
// CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK]], i{{.+}} 0, i{{.+}} 3
// CHECK: store i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_TMAIN_TY]]*)* [[DESTRUCTORS:@.+]] to i32 (i32, i8*)*), i32 (i32, i8*)** [[DESTRUCTORS_REF]],
// Start task.
// CHECK: call i32 @__kmpc_omp_task([[LOC]], i32 [[GTID]], i8* [[RES]])
// No destructors must be called for private copies of s_arr and var.
// CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
// CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
// CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
// CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
// CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
// CHECK: ret
//
// CHECK: define internal i32 [[TASK_ENTRY]](i32, [[KMP_TASK_TMAIN_TY]]*)
// Substitute addresses of shared variables in capture struct by address of private copies from kmp_task_t.
// CHECK: [[SHAREDS_ADDR_REF:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK:%.+]], i{{.+}} 0, i{{.+}} 0
// CHECK: [[SHAREDS_REF:%.+]] = load i8*, i8** [[SHAREDS_ADDR_REF]],
// CHECK: [[SHAREDS:%.+]] = bitcast i8* [[SHAREDS_REF]] to [[CAP_TMAIN_TY]]*
// Privates actually are used.
// CHECK-DAG: getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 0
// CHECK-DAG: getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 1
// CHECK-DAG: getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 2
// CHECK-DAG: getelementptr inbounds [[CAP_TMAIN_TY]], [[CAP_TMAIN_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 3
// CHECK: ret
// CHECK: define internal i32 [[DESTRUCTORS]](i32, [[KMP_TASK_TMAIN_TY]]*)
// CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 4
// CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
// CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
// CHECK: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[PRIVATE_VAR_REF]])
// CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], [2 x [[S_INT_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
// CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i{{.+}} 2
// CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i{{.+}} -1
// CHECK: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[PRIVATE_S_ARR_ELEM_REF]])
// CHECK: icmp eq
// CHECK: br i1
// CHECK: ret i32
#endif