r261820 - [OPENMP 4.5] Support fielddecls in 'shared' clause.
Alexey Bataev via cfe-commits
cfe-commits at lists.llvm.org
Wed Feb 24 19:59:29 PST 2016
Author: abataev
Date: Wed Feb 24 21:59:29 2016
New Revision: 261820
URL: http://llvm.org/viewvc/llvm-project?rev=261820&view=rev
Log:
[OPENMP 4.5] Support fielddecls in 'shared' clause.
OpenMP 4.5 allows to use non-static data members of current class in
non-static member functions in different kind of clauses. Patch adds
support for data members in 'shared' clause.
Modified:
cfe/trunk/lib/Sema/SemaOpenMP.cpp
cfe/trunk/test/OpenMP/parallel_ast_print.cpp
Modified: cfe/trunk/lib/Sema/SemaOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOpenMP.cpp?rev=261820&r1=261819&r2=261820&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOpenMP.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOpenMP.cpp Wed Feb 24 21:59:29 2016
@@ -1739,16 +1739,19 @@ static OMPCapturedExprDecl *buildCapture
return CED;
}
-static DeclRefExpr *buildCapture(Sema &S, IdentifierInfo *Id,
- Expr *CaptureExpr) {
- auto *CD = buildCaptureDecl(S, Id, CaptureExpr);
+static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr) {
+ OMPCapturedExprDecl *CD;
+ if (auto *VD = S.IsOpenMPCapturedDecl(D))
+ CD = cast<OMPCapturedExprDecl>(VD);
+ else
+ CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr);
return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(),
SourceLocation());
}
-static DeclRefExpr *buildCapture(Sema &S, StringRef Name, Expr *CaptureExpr) {
- auto *CD =
- buildCaptureDecl(S, &S.getASTContext().Idents.get(Name), CaptureExpr);
+static DeclRefExpr *buildCapture(Sema &S, Expr *CaptureExpr) {
+ auto *CD = buildCaptureDecl(
+ S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr);
return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(),
SourceLocation());
}
@@ -6841,7 +6844,7 @@ OMPClause *Sema::ActOnOpenMPScheduleClau
return nullptr;
}
} else if (isParallelOrTaskRegion(DSAStack->getCurrentDirective())) {
- ValExpr = buildCapture(*this, ".chunk.", ValExpr);
+ ValExpr = buildCapture(*this, ValExpr);
Decl *D = cast<DeclRefExpr>(ValExpr)->getDecl();
HelperValStmt =
new (Context) DeclStmt(DeclGroupRef::Create(Context, &D,
@@ -7205,7 +7208,7 @@ OMPClause *Sema::ActOnOpenMPPrivateClaus
DeclRefExpr *Ref = nullptr;
if (!VD)
- Ref = buildCapture(*this, D->getIdentifier(), RefExpr);
+ Ref = buildCapture(*this, D, RefExpr);
DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref);
Vars.push_back(VD ? RefExpr->IgnoreParens() : Ref);
PrivateCopies.push_back(VDPrivateRefExpr);
@@ -7482,7 +7485,7 @@ OMPClause *Sema::ActOnOpenMPFirstprivate
RefExpr->getExprLoc());
DeclRefExpr *Ref = nullptr;
if (!VD) {
- Ref = buildCapture(*this, D->getIdentifier(), RefExpr);
+ Ref = buildCapture(*this, D, RefExpr);
ExprCaptures.push_back(Ref->getDecl());
}
DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref);
@@ -7618,7 +7621,7 @@ OMPClause *Sema::ActOnOpenMPLastprivateC
DeclRefExpr *Ref = nullptr;
if (!VD)
- Ref = buildCapture(*this, D->getIdentifier(), RefExpr);
+ Ref = buildCapture(*this, D, RefExpr);
if (TopDVar.CKind != OMPC_firstprivate)
DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref);
Vars.push_back(VD ? RefExpr->IgnoreParens() : Ref);
@@ -7640,36 +7643,18 @@ OMPClause *Sema::ActOnOpenMPSharedClause
SourceLocation EndLoc) {
SmallVector<Expr *, 8> Vars;
for (auto &RefExpr : VarList) {
- assert(RefExpr && "NULL expr in OpenMP shared clause.");
- if (isa<DependentScopeDeclRefExpr>(RefExpr)) {
+ assert(RefExpr && "NULL expr in OpenMP lastprivate clause.");
+ auto Res = getPrivateItem(*this, RefExpr);
+ if (Res.second) {
// It will be analyzed later.
Vars.push_back(RefExpr);
- continue;
- }
-
- SourceLocation ELoc = RefExpr->getExprLoc();
- // OpenMP [2.1, C/C++]
- // A list item is a variable name.
- // OpenMP [2.14.3.2, Restrictions, p.1]
- // A variable that is part of another variable (as an array or structure
- // element) cannot appear in a shared unless it is a static data member
- // of a C++ class.
- DeclRefExpr *DE = dyn_cast<DeclRefExpr>(RefExpr);
- if (!DE || !isa<VarDecl>(DE->getDecl())) {
- Diag(ELoc, diag::err_omp_expected_var_name_member_expr)
- << 0 << RefExpr->getSourceRange();
- continue;
}
- Decl *D = DE->getDecl();
- VarDecl *VD = cast<VarDecl>(D);
-
- QualType Type = VD->getType();
- if (Type->isDependentType() || Type->isInstantiationDependentType()) {
- // It will be analyzed later.
- Vars.push_back(DE);
+ ValueDecl *D = Res.first;
+ if (!D)
continue;
- }
+ SourceLocation ELoc = RefExpr->getExprLoc();
+ auto *VD = dyn_cast<VarDecl>(D);
// OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced
// in a Construct]
// Variables with the predetermined data-sharing attributes may not be
@@ -7677,17 +7662,20 @@ OMPClause *Sema::ActOnOpenMPSharedClause
// listed below. For these exceptions only, listing a predetermined
// variable in a data-sharing attribute clause is allowed and overrides
// the variable's predetermined data-sharing attributes.
- DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(VD, false);
+ DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(D, false);
if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared &&
DVar.RefExpr) {
Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind)
<< getOpenMPClauseName(OMPC_shared);
- ReportOriginalDSA(*this, DSAStack, VD, DVar);
+ ReportOriginalDSA(*this, DSAStack, D, DVar);
continue;
}
- DSAStack->addDSA(VD, DE, OMPC_shared);
- Vars.push_back(DE);
+ DeclRefExpr *Ref = nullptr;
+ if (!VD)
+ Ref = buildCapture(*this, D, RefExpr);
+ DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref);
+ Vars.push_back(VD ? RefExpr->IgnoreParens() : Ref);
}
if (Vars.empty())
@@ -9627,7 +9615,7 @@ OMPClause *Sema::ActOnOpenMPDistSchedule
return nullptr;
}
} else if (isParallelOrTaskRegion(DSAStack->getCurrentDirective())) {
- ValExpr = buildCapture(*this, ".chunk.", ValExpr);
+ ValExpr = buildCapture(*this, ValExpr);
Decl *D = cast<DeclRefExpr>(ValExpr)->getDecl();
HelperValStmt =
new (Context) DeclStmt(DeclGroupRef::Create(Context, &D,
Modified: cfe/trunk/test/OpenMP/parallel_ast_print.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/parallel_ast_print.cpp?rev=261820&r1=261819&r2=261820&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/parallel_ast_print.cpp (original)
+++ cfe/trunk/test/OpenMP/parallel_ast_print.cpp Wed Feb 24 21:59:29 2016
@@ -29,6 +29,9 @@ public:
#pragma omp parallel firstprivate(a) firstprivate(this->a) firstprivate(T::a)
for (int k = 0; k < a.a; ++k)
++this->a.a;
+#pragma omp parallel shared(a) shared(this->a) shared(T::a)
+ for (int k = 0; k < a.a; ++k)
+ ++this->a.a;
}
S7 &operator=(S7 &s) {
#pragma omp parallel private(a) private(this->a)
@@ -37,26 +40,35 @@ public:
#pragma omp parallel firstprivate(a) firstprivate(this->a)
for (int k = 0; k < s.a.a; ++k)
++s.a.a;
+#pragma omp parallel shared(a) shared(this->a)
+ for (int k = 0; k < s.a.a; ++k)
+ ++s.a.a;
return *this;
}
};
// CHECK: #pragma omp parallel private(this->a) private(this->a) private(this->S1::a)
// CHECK: #pragma omp parallel firstprivate(this->a) firstprivate(this->a) firstprivate(this->S1::a)
+// CHECK: #pragma omp parallel shared(this->a) shared(this->a) shared(this->S1::a)
// CHECK: #pragma omp parallel private(this->a) private(this->a) private(T::a)
// CHECK: #pragma omp parallel firstprivate(this->a) firstprivate(this->a) firstprivate(T::a)
+// CHECK: #pragma omp parallel shared(this->a) shared(this->a) shared(T::a)
// CHECK: #pragma omp parallel private(this->a) private(this->a)
// CHECK: #pragma omp parallel firstprivate(this->a) firstprivate(this->a)
+// CHECK: #pragma omp parallel shared(this->a) shared(this->a)
class S8 : public S7<S1> {
S8() {}
public:
S8(int v) : S7<S1>(v){
-#pragma omp parallel private(a) private(this->a) private(S7<S1>::a)
+#pragma omp parallel private(a) private(this->a) private(S7 < S1 > ::a)
for (int k = 0; k < a.a; ++k)
++this->a.a;
-#pragma omp parallel firstprivate(a) firstprivate(this->a) firstprivate(S7<S1>::a)
+#pragma omp parallel firstprivate(a) firstprivate(this->a) firstprivate(S7 < S1 > ::a)
+ for (int k = 0; k < a.a; ++k)
+ ++this->a.a;
+#pragma omp parallel shared(a) shared(this->a) shared(S7 < S1 > ::a)
for (int k = 0; k < a.a; ++k)
++this->a.a;
}
@@ -67,14 +79,19 @@ public:
#pragma omp parallel firstprivate(a) firstprivate(this->a)
for (int k = 0; k < s.a.a; ++k)
++s.a.a;
+#pragma omp parallel shared(a) shared(this->a)
+ for (int k = 0; k < s.a.a; ++k)
+ ++s.a.a;
return *this;
}
};
// CHECK: #pragma omp parallel private(this->a) private(this->a) private(this->S7<S1>::a)
// CHECK: #pragma omp parallel firstprivate(this->a) firstprivate(this->a) firstprivate(this->S7<S1>::a)
+// CHECK: #pragma omp parallel shared(this->a) shared(this->a) shared(this->S7<S1>::a)
// CHECK: #pragma omp parallel private(this->a) private(this->a)
// CHECK: #pragma omp parallel firstprivate(this->a) firstprivate(this->a)
+// CHECK: #pragma omp parallel shared(this->a) shared(this->a)
template <class T>
struct S {
More information about the cfe-commits
mailing list