Eliminate JS call frame from metatypes calls

If we call an AOT-compiled function we never need the JavaScript call
frame. We can just skip its setup and save some overhead.

Change-Id: I39dc2ca6eea5b5a66f3b87b642a310534cecf6cd
Reviewed-by: Fabian Kosmale <[email protected]>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/qml/jsruntime/qv4context.cpp b/src/qml/jsruntime/qv4context.cpp
index 282046f3fa..fb002ec48d 100644
--- a/src/qml/jsruntime/qv4context.cpp
+++ b/src/qml/jsruntime/qv4context.cpp
@@ -71,8 +71,13 @@ Heap::CallContext *ExecutionContext::newBlockContext(CppStackFrame *frame, int b
 
     Heap::ExecutionContext *outer = static_cast<Heap::ExecutionContext *>(frame->context()->m());
     c->outer.set(v4, outer);
-    c->function.set(v4, static_cast<Heap::FunctionObject *>(
-                                Value::fromStaticValue(frame->jsFrame->function).m()));
+    if (frame->isJSTypesFrame()) {
+        c->function.set(v4, static_cast<Heap::FunctionObject *>(
+                            Value::fromStaticValue(
+                                static_cast<JSTypesStackFrame *>(frame)->jsFrame->function).m()));
+    } else {
+        c->function.set(v4, nullptr);
+    }
 
     c->locals.size = nLocals;
     c->locals.alloc = nLocals;