1 files changed, 4 insertions, 0 deletions
diff --git a/flang/lib/Parser/unparse.cpp b/flang/lib/Parser/unparse.cpp
index 6bb14a43..dc0f083 100644
--- a/flang/lib/Parser/unparse.cpp
+++ b/flang/lib/Parser/unparse.cpp
@@ -1855,6 +1855,10 @@ public:
               Word("!DIR$ UNROLL");
               Walk(" ", unroll.v);
             },
+            [&](const CompilerDirective::Prefetch &prefetch) {
+              Word("!DIR$ PREFETCH");
+              Walk(" ", prefetch.v);
+            },
             [&](const CompilerDirective::UnrollAndJam &unrollAndJam) {
               Word("!DIR$ UNROLL_AND_JAM");
               Walk(" ", unrollAndJam.v);