[OPENMP 4.0] Initial support for 'omp cancellation point' construct.

Add parsing and sema analysis for 'omp cancellation point' directive.

llvm-svn: 241145

2 files changed, 19 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index f64d856a628..d7975c434f8 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -2249,6 +2249,13 @@ void ASTStmtReader::VisitOMPTeamsDirective(OMPTeamsDirective *D) {
   VisitOMPExecutableDirective(D);
 }
 
+void ASTStmtReader::VisitOMPCancellationPointDirective(
+    OMPCancellationPointDirective *D) {
+  VisitStmt(D);
+  VisitOMPExecutableDirective(D);
+  D->setCancelRegion(static_cast<OpenMPDirectiveKind>(Record[Idx++]));
+}
+
 //===----------------------------------------------------------------------===//
 // ASTReader Implementation
 //===----------------------------------------------------------------------===//
@@ -2852,6 +2859,10 @@ Stmt *ASTReader::ReadStmtFromStream(ModuleFile &F) {
           Context, Record[ASTStmtReader::NumStmtFields], Empty);
       break;
 
+    case STMT_OMP_CANCELLATION_POINT_DIRECTIVE:
+      S = OMPCancellationPointDirective::CreateEmpty(Context, Empty);
+      break;
+
     case EXPR_CXX_OPERATOR_CALL:
       S = new (Context) CXXOperatorCallExpr(Context, Empty);
       break;
diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index 0f35f0ce8a3..846acd04d4f 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -2107,6 +2107,14 @@ void ASTStmtWriter::VisitOMPTeamsDirective(OMPTeamsDirective *D) {
   Code = serialization::STMT_OMP_TEAMS_DIRECTIVE;
 }
 
+void ASTStmtWriter::VisitOMPCancellationPointDirective(
+    OMPCancellationPointDirective *D) {
+  VisitStmt(D);
+  VisitOMPExecutableDirective(D);
+  Record.push_back(D->getCancelRegion());
+  Code = serialization::STMT_OMP_CANCELLATION_POINT_DIRECTIVE;
+}
+
 //===----------------------------------------------------------------------===//
 // ASTWriter Implementation
 //===----------------------------------------------------------------------===//