From 85d8b2bbe386bcfe669575d05b61482d7be07e5d Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 9 Jun 2015 19:06:30 +0000
Subject: Vendor import of llvm trunk r239412:
 https://llvm.org/svn/llvm-project/llvm/trunk@239412

---
 lib/Transforms/Utils/LoopUtils.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/Transforms/Utils/LoopUtils.cpp')

diff --git a/lib/Transforms/Utils/LoopUtils.cpp b/lib/Transforms/Utils/LoopUtils.cpp
index a5890c0adb06..5f25e6b2cb6f 100644
--- a/lib/Transforms/Utils/LoopUtils.cpp
+++ b/lib/Transforms/Utils/LoopUtils.cpp
@@ -491,6 +491,9 @@ bool llvm::isInductionPHI(PHINode *Phi, ScalarEvolution *SE,
 
   const DataLayout &DL = Phi->getModule()->getDataLayout();
   int64_t Size = static_cast<int64_t>(DL.getTypeAllocSize(PointerElementType));
+  if (!Size)
+    return false;
+
   int64_t CVSize = CV->getSExtValue();
   if (CVSize % Size)
     return false;
-- 
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