X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FAnalysis%2FInstructionSimplify.cpp;h=56e7a094976e0a1b935b2f5115ed569b1456e3b5;hp=7d8b668be037e45fb97ba45e832f3d9252768713;hb=821c6f765adbc3079a21ad91d10726cbf8c4cb1b;hpb=f666c0549eaa6103a14ba4a9c57772942d0b6f1a

diff --git a/lib/Analysis/InstructionSimplify.cpp b/lib/Analysis/InstructionSimplify.cpp
index 7d8b668be03..56e7a094976 100644
--- a/lib/Analysis/InstructionSimplify.cpp
+++ b/lib/Analysis/InstructionSimplify.cpp
@@ -3152,14 +3152,15 @@ static Value *SimplifySelectInst(Value *CondVal, Value *TrueVal,
   if (isa<UndefValue>(FalseVal))   // select C, X, undef -> X
     return TrueVal;
 
-  if (const auto *ICI = dyn_cast<ICmpInst>(CondVal)) {
+  const auto *ICI = dyn_cast<ICmpInst>(CondVal);
+  unsigned BitWidth = TrueVal->getType()->getScalarSizeInBits();
+  if (ICI && BitWidth) {
     ICmpInst::Predicate Pred = ICI->getPredicate();
-    APInt MinSignedValue =
-        APInt::getSignBit(TrueVal->getType()->getScalarSizeInBits());
+    APInt MinSignedValue = APInt::getSignBit(BitWidth);
     Value *X;
     const APInt *Y;
-    bool IsBitTest = false;
     bool TrueWhenUnset;
+    bool IsBitTest = false;
     if (ICmpInst::isEquality(Pred) &&
         match(ICI->getOperand(0), m_And(m_Value(X), m_APInt(Y))) &&
         match(ICI->getOperand(1), m_Zero())) {