[OpenMP] Make the filetered clause iterator a real iterator and type safe.

This replaces the filtered generic iterator with a type-specfic one based
on dyn_cast instead of comparing the kind enum. This allows us to use
range-based for loops and eliminates casts. No functionality change
intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@246384 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 12 deletions

diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp
index 22b557dadc..2169da3245 100644
--- a/lib/AST/Stmt.cpp
+++ b/lib/AST/Stmt.cpp
@@ -1621,18 +1621,6 @@ OMPDependClause *OMPDependClause::CreateEmpty(const ASTContext &C, unsigned N) {
   return new (Mem) OMPDependClause(N);
 }
 
-const OMPClause *
-OMPExecutableDirective::getSingleClause(OpenMPClauseKind K) const {
-  auto &&I = getClausesOfKind(K);
-
-  if (I) {
-    auto *Clause = *I;
-    assert(!++I && "There are at least 2 clauses of the specified kind");
-    return Clause;
-  }
-  return nullptr;
-}
-
 OMPParallelDirective *OMPParallelDirective::Create(
                                               const ASTContext &C,
                                               SourceLocation StartLoc,