From 04e688f097d590744a300f40b6d62073b32a7ef9 Mon Sep 17 00:00:00 2001
From: Eder Monteiro <emrmonteiro@precisioninno.com>
Date: Thu, 29 Aug 2024 18:54:32 +0000
Subject: [PATCH] grt: reset FastRouteCore when repairing antennas from
 detailed routing

Signed-off-by: Eder Monteiro <emrmonteiro@precisioninno.com>
---
 src/grt/src/GlobalRouter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/grt/src/GlobalRouter.cpp b/src/grt/src/GlobalRouter.cpp
index f79fedfc021..99b796ead7d 100644
--- a/src/grt/src/GlobalRouter.cpp
+++ b/src/grt/src/GlobalRouter.cpp
@@ -172,6 +172,7 @@ GlobalRouter::~GlobalRouter()
 std::vector<Net*> GlobalRouter::initFastRoute(int min_routing_layer,
                                               int max_routing_layer)
 {
+  fastroute_->clear();
   ensureLayerForGuideDimension(max_routing_layer);
 
   configFastRoute();
@@ -342,7 +343,7 @@ void GlobalRouter::repairAntennas(odb::dbMTerm* diode_mterm,
                                   float ratio_margin,
                                   const int num_threads)
 {
-  if (!initialized_) {
+  if (!initialized_ || haveDetailedRoutes()) {
     int min_layer, max_layer;
     getMinMaxLayer(min_layer, max_layer);
     initFastRoute(min_layer, max_layer);