From 9d1d2ac9ad4dac47bfef5e0b0c974fe3e2fce074 Mon Sep 17 00:00:00 2001
From: Michal Babej <michal.babej@intel.com>
Date: Thu, 4 Apr 2024 19:41:12 +0300
Subject: [PATCH] [PATCH] fix issue #1435

Gbp-Pq: Name 0004-fix-issue-1435.patch
---
 lib/llvmopencl/IsolateRegions.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/llvmopencl/IsolateRegions.cc b/lib/llvmopencl/IsolateRegions.cc
index c2b9413..1b46e73 100644
--- a/lib/llvmopencl/IsolateRegions.cc
+++ b/lib/llvmopencl/IsolateRegions.cc
@@ -165,6 +165,8 @@ static void addDummyBefore(llvm::Region &R, llvm::BasicBlock *BB) {
     if (R.contains(Pred))
       RegionPreds.push_back(Pred);
   }
+  if (RegionPreds.empty())
+    return;
   llvm::BasicBlock *NewExit =
       SplitBlockPredecessors(BB, RegionPreds, ".r_exit");
   R.replaceExit(NewExit);
-- 
2.30.2