pad: fix test instability

Signed-off-by: Peter Gadfort <peter.gadfort@gmail.com>

Author: gadfort

src/pdn/src/straps.cpp

@@ -1456,15 +1456,15 @@ bool PadDirectConnectionStraps::refineShapes(
     return GridComponent::refineShapes(all_shapes, all_obstructions);
   }
 
-  std::vector<Shape*> refine;
+  std::vector<ShapePtr> refine;
   for (const auto& [layer, shapes] : getShapes()) {
     for (const auto& shape : shapes) {
       if (!strapViaIsObstructed(
               shape.get(), all_shapes, all_obstructions, false)) {
         continue;
       }
 
-      refine.push_back(shape.get());
+      refine.push_back(shape);
     }
   }
 
@@ -1475,37 +1475,24 @@ bool PadDirectConnectionStraps::refineShapes(
   const auto [first, last] = std::ranges::unique(refine.begin(), refine.end());
   refine.erase(first, last);
 
-  for (auto* refine_shape : refine) {
-    std::unique_ptr<Shape> shape = refine_shape->copy();
-    removeShape(refine_shape);
+  for (const auto& refine_shape : refine) {
+    std::unique_ptr<Shape> shape(refine_shape->copy());
+    const auto& target_pin = target_pin_shape_[refine_shape.get()];
+    removeShape(refine_shape.get());
 
-    // remove shape from all_shapes and all_obstructions
-    auto* layer = shape->getLayer();
-    auto find_shape = [&refine_shape](const ShapePtr& other) {
-      return other.get() == refine_shape;
-    };
     // remove from all_shapes
-    auto& layer_shapes = all_shapes[layer];
-    auto find_all_shapes_itr = layer_shapes.qbegin(bgi::satisfies(find_shape));
-    if (find_all_shapes_itr != layer_shapes.qend()) {
-      layer_shapes.remove(*find_all_shapes_itr);
-    }
-    // remove from all_obstructions
-    auto& layer_obstruction = all_obstructions[layer];
-    auto find_all_obstructions_itr
-        = layer_obstruction.qbegin(bgi::satisfies(find_shape));
-    if (find_all_obstructions_itr != layer_obstruction.qend()) {
-      layer_obstruction.remove(*find_all_obstructions_itr);
-    }
+    auto* layer = shape->getLayer();
+    all_shapes[layer].remove(refine_shape);
+    all_obstructions[layer].remove(refine_shape);
 
     const TechLayer tech_layer(layer);
     for (int width : {getWidth(), tech_layer.getMinWidth()}) {
       setWidth(width);
 
-      if (refineShape(shape.get(),
-                      target_pin_shape_[refine_shape],
-                      all_shapes,
-                      all_obstructions)) {
+      if (refineShape(shape.get(), target_pin, all_shapes, all_obstructions)) {
+        // add shape to all_shapes and all_obstructions
+        getObstructions(all_obstructions);
+        getShapes(all_shapes);
         break;
       }
     }
@@ -1517,8 +1504,8 @@ bool PadDirectConnectionStraps::refineShapes(
 bool PadDirectConnectionStraps::refineShape(
     Shape* shape,
     const odb::Rect& pin_shape,
-    Shape::ShapeTreeMap& all_shapes,
-    Shape::ObstructionTreeMap& all_obstructions)
+    const Shape::ShapeTreeMap& all_shapes,
+    const Shape::ObstructionTreeMap& all_obstructions)
 {
   const TechLayer tech_layer(shape->getLayer());
 
@@ -1549,7 +1536,7 @@ bool PadDirectConnectionStraps::refineShape(
       new_rect.set_xhi(check_loc + getWidth());
     }
 
-    std::unique_ptr<Shape> new_shape = shape->copy();
+    std::unique_ptr<Shape> new_shape(shape->copy());
     new_shape->setRect(new_rect);
 
     debugPrint(getLogger(),
@@ -1581,10 +1568,6 @@ bool PadDirectConnectionStraps::refineShape(
         continue;
       }
 
-      // add shape to all_shapes and all_obstructions
-      getObstructions(all_obstructions);
-      getShapes(all_shapes);
-
       return true;
     }
   }

src/pdn/src/straps.h

@@ -204,8 +204,8 @@ class PadDirectConnectionStraps : public Straps
 
   bool refineShape(Shape* shape,
                    const odb::Rect& pin_shape,
-                   Shape::ShapeTreeMap& all_shapes,
-                   Shape::ObstructionTreeMap& all_obstructions);
+                   const Shape::ShapeTreeMap& all_shapes,
+                   const Shape::ObstructionTreeMap& all_obstructions);
   bool isTargetShape(const Shape* shape) const;
 };
 

src/pdn/test/pads_black_parrot_flipchip_connect_overpads.defok

@@ -4564,6 +4564,7 @@ SPECIALNETS 139 ;
       NEW metal10 1660 + SHAPE STRIPE ( 5355810 5604000 ) ( 5355810 5902000 )
       NEW metal10 1660 + SHAPE STRIPE ( 895810 98000 ) ( 895810 396400 )
       NEW metal10 1660 + SHAPE STRIPE ( 5595810 5604000 ) ( 5595810 5902000 )
+      NEW metal10 1660 + SHAPE STRIPE ( 5603680 5600830 ) ( 5902000 5600830 )
       NEW metal10 1660 + SHAPE STRIPE ( 5603680 5595810 ) ( 5902000 5595810 )
       NEW metal10 1660 + SHAPE STRIPE ( 5603680 5585810 ) ( 5902000 5585810 )
       NEW metal10 1660 + SHAPE STRIPE ( 5603680 5575810 ) ( 5902000 5575810 )
@@ -4854,6 +4855,7 @@ SPECIALNETS 139 ;
       NEW metal9 10000 + SHAPE RING ( 386140 391400 ) ( 5613680 391400 )
       NEW metal8 10000 + SHAPE RING ( 5608680 386400 ) ( 5608680 5614000 )
       NEW metal8 10000 + SHAPE RING ( 391140 386400 ) ( 391140 5614000 )
+      NEW metal9 0 + SHAPE STRIPE ( 5900000 5600830 ) via9_10_4000_1660_1_1_3360_3360
       NEW metal9 0 + SHAPE STRIPE ( 5900000 5595810 ) via9_10_4000_1660_1_1_3360_3360
       NEW metal9 0 + SHAPE STRIPE ( 5900000 5585810 ) via9_10_4000_1660_1_1_3360_3360
       NEW metal9 0 + SHAPE STRIPE ( 5900000 5575810 ) via9_10_4000_1660_1_1_3360_3360