From 1bcf5ee200b22392dce968beef41cb209d11ddd3 Mon Sep 17 00:00:00 2001
From: William Moses <gh@wsmoses.com>
Date: Sun, 3 Nov 2024 04:39:50 -0600
Subject: [PATCH] Cast of addr13 (#2147)

---
 enzyme/Enzyme/DifferentialUseAnalysis.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/enzyme/Enzyme/DifferentialUseAnalysis.cpp b/enzyme/Enzyme/DifferentialUseAnalysis.cpp
index e490941272c..6a4573b736a 100644
--- a/enzyme/Enzyme/DifferentialUseAnalysis.cpp
+++ b/enzyme/Enzyme/DifferentialUseAnalysis.cpp
@@ -917,6 +917,15 @@ void DifferentialUseAnalysis::minCut(const DataLayout &DL, LoopInfo &OrigLI,
         if (ASC->getSrcAddressSpace() == 10 && ASC->getDestAddressSpace() == 0)
           continue;
       }
+      if (auto CI = dyn_cast<CastInst>((*mp.begin()).V)) {
+        if (CI->getType()->isPointerTy() &&
+            CI->getType()->getPointerAddressSpace() == 13)
+          continue;
+      }
+      if (auto G = dyn_cast<GetElementPtrInst>((*mp.begin()).V)) {
+        if (G->getType()->getPointerAddressSpace() == 13)
+          continue;
+      }
       if (hasNoCache((*mp.begin()).V)) {
         continue;
       }