[OpenACC] Implement 'tile' attribute AST (#110999)

The 'tile' clause shares quite a bit of the rules with 'collapse', so a
followup patch will add those tests/behaviors. This patch deals with
adding the AST node.

The 'tile' clause takes a series of integer constant expressions, or *.
The asterisk is now represented by a new OpenACCAsteriskSizeExpr node,
else this clause is very similar to others.

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/AST/ComputeDependence.cpp b/clang/lib/AST/ComputeDependence.cpp
index 6ef4979..8c79df8 100644
--- a/clang/lib/AST/ComputeDependence.cpp
+++ b/clang/lib/AST/ComputeDependence.cpp
@@ -958,3 +958,9 @@ ExprDependence clang::computeDependence(ObjCMessageExpr *E) {
     D |= A->getDependence();
   return D;
 }
+
+ExprDependence clang::computeDependence(OpenACCAsteriskSizeExpr *E) {
+  // This represents a simple asterisk as typed, so cannot be dependent in any
+  // way.
+  return ExprDependence::None;
+}