From 82f98d9efe81819727f771782b0c37d3fd1902cc Mon Sep 17 00:00:00 2001
From: Michelle Casbon <texasmichelle@gmail.com>
Date: Wed, 2 Sep 2020 17:24:36 +0000
Subject: [PATCH 1/2] Short-circuit the PruneVTables optimization pass

---
 lib/SILOptimizer/Transforms/PruneVTables.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/SILOptimizer/Transforms/PruneVTables.cpp b/lib/SILOptimizer/Transforms/PruneVTables.cpp
index 18543900f921e..b19ec3bf8a337 100644
--- a/lib/SILOptimizer/Transforms/PruneVTables.cpp
+++ b/lib/SILOptimizer/Transforms/PruneVTables.cpp
@@ -98,6 +98,8 @@ class PruneVTables : public SILModuleTransform {
   }
   
   void run() override {
+    return;
+
     SILModule *M = getModule();
     
     for (auto &vtable : M->getVTables()) {

From 213975d177d64012b3f0dcaf5f568de542cf4352 Mon Sep 17 00:00:00 2001
From: Michelle Casbon <texasmichelle@users.noreply.github.com>
Date: Wed, 2 Sep 2020 10:37:37 -0700
Subject: [PATCH 2/2] Add branch comment markers

Co-authored-by: Saleem Abdulrasool <compnerd@compnerd.org>
---
 lib/SILOptimizer/Transforms/PruneVTables.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/SILOptimizer/Transforms/PruneVTables.cpp b/lib/SILOptimizer/Transforms/PruneVTables.cpp
index b19ec3bf8a337..2c224fd6a2875 100644
--- a/lib/SILOptimizer/Transforms/PruneVTables.cpp
+++ b/lib/SILOptimizer/Transforms/PruneVTables.cpp
@@ -98,7 +98,9 @@ class PruneVTables : public SILModuleTransform {
   }
   
   void run() override {
+    // SWIFT_ENABLE_TENSORFLOW
     return;
+    // SWIFT_ENABLE_TENSORFLOW END
 
     SILModule *M = getModule();