[OpenMP] Sema and parsing for 'distribute simd' pragma

Summary: This patch is an implementation of sema and parsing for the OpenMP composite pragma 'distribute simd'.

Differential Revision: http://reviews.llvm.org/D22007

llvm-svn: 274604

3 files changed, 64 insertions, 0 deletions

diff --git a/clang/lib/AST/StmtOpenMP.cpp b/clang/lib/AST/StmtOpenMP.cpp
index 351dc54ed9a..2e468e3fb40 100644
--- a/clang/lib/AST/StmtOpenMP.cpp
+++ b/clang/lib/AST/StmtOpenMP.cpp
@@ -1162,3 +1162,56 @@ OMPDistributeParallelForSimdDirective::CreateEmpty(const ASTContext &C,
   return new (Mem)
       OMPDistributeParallelForSimdDirective(CollapsedNum, NumClauses);
 }
+
+OMPDistributeSimdDirective *OMPDistributeSimdDirective::Create(
+    const ASTContext &C, SourceLocation StartLoc, SourceLocation EndLoc,
+    unsigned CollapsedNum, ArrayRef<OMPClause *> Clauses, Stmt *AssociatedStmt,
+    const HelperExprs &Exprs) {
+  unsigned Size = llvm::alignTo(sizeof(OMPDistributeSimdDirective),
+                                llvm::alignOf<OMPClause *>());
+  void *Mem = C.Allocate(
+      Size + sizeof(OMPClause *) * Clauses.size() +
+      sizeof(Stmt *) *
+          numLoopChildren(CollapsedNum, OMPD_distribute_simd));
+  OMPDistributeSimdDirective *Dir = new (Mem) OMPDistributeSimdDirective(
+      StartLoc, EndLoc, CollapsedNum, Clauses.size());
+  Dir->setClauses(Clauses);
+  Dir->setAssociatedStmt(AssociatedStmt);
+  Dir->setIterationVariable(Exprs.IterationVarRef);
+  Dir->setLastIteration(Exprs.LastIteration);
+  Dir->setCalcLastIteration(Exprs.CalcLastIteration);
+  Dir->setPreCond(Exprs.PreCond);
+  Dir->setCond(Exprs.Cond);
+  Dir->setInit(Exprs.Init);
+  Dir->setInc(Exprs.Inc);
+  Dir->setIsLastIterVariable(Exprs.IL);
+  Dir->setLowerBoundVariable(Exprs.LB);
+  Dir->setUpperBoundVariable(Exprs.UB);
+  Dir->setStrideVariable(Exprs.ST);
+  Dir->setEnsureUpperBound(Exprs.EUB);
+  Dir->setNextLowerBound(Exprs.NLB);
+  Dir->setNextUpperBound(Exprs.NUB);
+  Dir->setNumIterations(Exprs.NumIterations);
+  Dir->setPrevLowerBoundVariable(Exprs.PrevLB);
+  Dir->setPrevUpperBoundVariable(Exprs.PrevUB);
+  Dir->setCounters(Exprs.Counters);
+  Dir->setPrivateCounters(Exprs.PrivateCounters);
+  Dir->setInits(Exprs.Inits);
+  Dir->setUpdates(Exprs.Updates);
+  Dir->setFinals(Exprs.Finals);
+  Dir->setPreInits(Exprs.PreInits);
+  return Dir;
+}
+
+OMPDistributeSimdDirective *
+OMPDistributeSimdDirective::CreateEmpty(const ASTContext &C,
+                                        unsigned NumClauses,
+                                        unsigned CollapsedNum, EmptyShell) {
+  unsigned Size = llvm::alignTo(sizeof(OMPDistributeSimdDirective),
+                                llvm::alignOf<OMPClause *>());
+  void *Mem = C.Allocate(
+      Size + sizeof(OMPClause *) * NumClauses +
+      sizeof(Stmt *) *
+          numLoopChildren(CollapsedNum, OMPD_distribute_simd));
+  return new (Mem) OMPDistributeSimdDirective(CollapsedNum, NumClauses);
+}
diff --git a/clang/lib/AST/StmtPrinter.cpp b/clang/lib/AST/StmtPrinter.cpp
index 56d7ba07083..b5c24b93323 100644
--- a/clang/lib/AST/StmtPrinter.cpp
+++ b/clang/lib/AST/StmtPrinter.cpp
@@ -1165,6 +1165,12 @@ void StmtPrinter::VisitOMPDistributeParallelForSimdDirective(
   PrintOMPExecutableDirective(Node);
 }
 
+void StmtPrinter::VisitOMPDistributeSimdDirective(
+    OMPDistributeSimdDirective *Node) {
+  Indent() << "#pragma omp distribute simd ";
+  PrintOMPExecutableDirective(Node);
+}
+
 //===----------------------------------------------------------------------===//
 //  Expr printing methods.
 //===----------------------------------------------------------------------===//
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 79de33a8bf8..aaeb6e986ca 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -709,6 +709,11 @@ void StmtProfiler::VisitOMPDistributeParallelForSimdDirective(
   VisitOMPLoopDirective(S);
 }
 
+void StmtProfiler::VisitOMPDistributeSimdDirective(
+    const OMPDistributeSimdDirective *S) {
+  VisitOMPLoopDirective(S);
+}
+
 void StmtProfiler::VisitExpr(const Expr *S) {
   VisitStmt(S);
 }