[OPENMP 4.5] parsing/sema support for 'grainsize' clause.
OpenMP 4.5 adds 'taksloop' and 'taskloop simd' directives, which have 'grainsize' clause. Patch adds parsing/sema analysis of this clause.
llvm-svn: 254903
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 125113a..f9efe8e 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -5381,6 +5381,9 @@
case OMPC_priority:
Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc);
break;
+ case OMPC_grainsize:
+ Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc);
+ break;
case OMPC_if:
case OMPC_default:
case OMPC_proc_bind:
@@ -5685,6 +5688,7 @@
case OMPC_num_teams:
case OMPC_thread_limit:
case OMPC_priority:
+ case OMPC_grainsize:
case OMPC_nogroup:
case OMPC_unknown:
llvm_unreachable("Clause is not allowed.");
@@ -5819,6 +5823,7 @@
case OMPC_num_teams:
case OMPC_thread_limit:
case OMPC_priority:
+ case OMPC_grainsize:
case OMPC_nogroup:
case OMPC_unknown:
llvm_unreachable("Clause is not allowed.");
@@ -5958,6 +5963,7 @@
case OMPC_num_teams:
case OMPC_thread_limit:
case OMPC_priority:
+ case OMPC_grainsize:
case OMPC_unknown:
llvm_unreachable("Clause is not allowed.");
}
@@ -6095,6 +6101,7 @@
case OMPC_num_teams:
case OMPC_thread_limit:
case OMPC_priority:
+ case OMPC_grainsize:
case OMPC_nogroup:
case OMPC_unknown:
llvm_unreachable("Clause is not allowed.");
@@ -8006,3 +8013,19 @@
return new (Context) OMPPriorityClause(ValExpr, StartLoc, LParenLoc, EndLoc);
}
+
+OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize,
+ SourceLocation StartLoc,
+ SourceLocation LParenLoc,
+ SourceLocation EndLoc) {
+ Expr *ValExpr = Grainsize;
+
+ // OpenMP [2.9.2, taskloop Constrcut]
+ // The parameter of the grainsize clause must be a positive integer
+ // expression.
+ if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_grainsize,
+ /*StrictlyPositive=*/true))
+ return nullptr;
+
+ return new (Context) OMPGrainsizeClause(ValExpr, StartLoc, LParenLoc, EndLoc);
+}
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index 6d80d03..677b219 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -1700,6 +1700,17 @@
EndLoc);
}
+ /// \brief Build a new OpenMP 'grainsize' clause.
+ ///
+ /// By default, performs semantic analysis to build the new statement.
+ /// Subclasses may override this routine to provide different behavior.
+ OMPClause *RebuildOMPGrainsizeClause(Expr *Grainsize, SourceLocation StartLoc,
+ SourceLocation LParenLoc,
+ SourceLocation EndLoc) {
+ return getSema().ActOnOpenMPGrainsizeClause(Grainsize, StartLoc, LParenLoc,
+ EndLoc);
+ }
+
/// \brief Rebuild the operand to an Objective-C \@synchronized statement.
///
/// By default, performs semantic analysis to build the new statement.
@@ -7790,6 +7801,16 @@
E.get(), C->getLocStart(), C->getLParenLoc(), C->getLocEnd());
}
+template <typename Derived>
+OMPClause *
+TreeTransform<Derived>::TransformOMPGrainsizeClause(OMPGrainsizeClause *C) {
+ ExprResult E = getDerived().TransformExpr(C->getGrainsize());
+ if (E.isInvalid())
+ return nullptr;
+ return getDerived().RebuildOMPGrainsizeClause(
+ E.get(), C->getLocStart(), C->getLParenLoc(), C->getLocEnd());
+}
+
//===----------------------------------------------------------------------===//
// Expression transformation
//===----------------------------------------------------------------------===//