commit 2e594fa85c809178ce598a9b4c3a3bf5e0e6a14e
author Nuno Lopes <nunoplopes@sapo.pt> Mon Dec 31 18:01:36 2012 +0000
committer Nuno Lopes <nunoplopes@sapo.pt> Mon Dec 31 18:01:36 2012 +0000
tree 5d091a32bb3742a7d371e7a46b468024d15cd31e
parent 1ef05b1a2a8eb8b9f0f5b7b04df9856f43de5855

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

diff --git a/lib/Analysis/MemoryBuiltins.cpp b/lib/Analysis/MemoryBuiltins.cpp
index dd05c29..a565617 100644
--- a/lib/Analysis/MemoryBuiltins.cpp
+++ b/lib/Analysis/MemoryBuiltins.cpp
@@ -562,7 +562,7 @@
 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();
 }