[llvm-commits] [llvm] r171308 - /llvm/trunk/lib/Analysis/MemoryBuiltins.cpp

[Nuno Lopes]

Author: nlopes
Date: Mon Dec 31 12:01:36 2012
New Revision: 171308

URL: http://llvm.org/viewvc/llvm-project?rev=171308&view=rev
Log:
revert r171306, since we cannot compare APInts with different bitwidths

Modified:
    llvm/trunk/lib/Analysis/MemoryBuiltins.cpp

Modified: llvm/trunk/lib/Analysis/MemoryBuiltins.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryBuiltins.cpp?rev=171308&r1=171307&r2=171308&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MemoryBuiltins.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryBuiltins.cpp Mon Dec 31 12:01:36 2012
@@ -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();
 }