From 2e594fa85c809178ce598a9b4c3a3bf5e0e6a14e Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Mon, 31 Dec 2012 18:01:36 +0000
Subject: [PATCH] revert r171306, since we cannot compare APInts with different
 bitwidths

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171308 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/MemoryBuiltins.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Analysis/MemoryBuiltins.cpp b/lib/Analysis/MemoryBuiltins.cpp
index dd05c298f6e..a565617f21b 100644
--- a/lib/Analysis/MemoryBuiltins.cpp
+++ b/lib/Analysis/MemoryBuiltins.cpp
@@ -562,7 +562,7 @@ SizeOffsetType ObjectSizeOffsetVisitor::visitPHINode(PHINode &PHI) {
 SizeOffsetType ObjectSizeOffsetVisitor::visitSelectInst(SelectInst &I) {
   SizeOffsetType TrueSide  = compute(I.getTrueValue());
   SizeOffsetType FalseSide = compute(I.getFalseValue());
-  if (TrueSide == FalseSide)
+  if (bothKnown(TrueSide) && bothKnown(FalseSide) && TrueSide == FalseSide)
     return TrueSide;
   return unknown();
 }
-- 
2.34.1