From: Michal Babej <michal.babej@intel.com>
Date: Thu, 4 Apr 2024 16:41:12 +0000 (+0300)
Subject: [PATCH] fix issue #1435
X-Git-Tag: archive/raspbian/6.0-1+rpi1^2^2~6
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=9d1d2ac9ad4dac47bfef5e0b0c974fe3e2fce074;p=pocl.git

[PATCH] fix issue #1435


Gbp-Pq: Name 0004-fix-issue-1435.patch
---

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);