From c1485223a688abe8a86e27529e86bd0fa885ceeb Mon Sep 17 00:00:00 2001
From: Richard Trieu <rtrieu@google.com>
Date: Sat, 21 Jun 2014 02:43:02 +0000
Subject: Add back functionality removed in r210497.

Instead of asserting, output a message stating that a null pointer was found.

llvm-svn: 211430
---
 llvm/lib/Analysis/RegionPass.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/Analysis/RegionPass.cpp')

diff --git a/llvm/lib/Analysis/RegionPass.cpp b/llvm/lib/Analysis/RegionPass.cpp
index d11b3323cac..71de14450b7 100644
--- a/llvm/lib/Analysis/RegionPass.cpp
+++ b/llvm/lib/Analysis/RegionPass.cpp
@@ -196,8 +196,10 @@ public:
   bool runOnRegion(Region *R, RGPassManager &RGM) override {
     Out << Banner;
     for (const auto &BB : R->blocks()) {
-      assert(BB != nullptr && "Expecting non-null Block");
-      BB->print(Out);
+      if (BB)
+        BB->print(Out);
+      else
+        Out << "Printing <null> Block";
     }
 
     return false;
-- 
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