[llvm] r355257 - [SCEV] Remove undef check for SCEVConstant (NFC)

[Florian Hahn via llvm-commits]

Author: fhahn
Date: Fri Mar  1 17:57:28 2019
New Revision: 355257

URL: http://llvm.org/viewvc/llvm-project?rev=355257&view=rev
Log:
[SCEV] Remove undef check for SCEVConstant (NFC)

The value stored in SCEVConstant is of type ConstantInt*, which can
never be UndefValue. So we should never hit that code.

Reviewers: mkazantsev, sanjoy

Reviewed By: sanjoy

Differential Revision: https://reviews.llvm.org/D58851

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

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=355257&r1=355256&r2=355257&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Fri Mar  1 17:57:28 2019
@@ -10824,8 +10824,6 @@ static inline bool containsUndefs(const
   return SCEVExprContains(S, [](const SCEV *S) {
     if (const auto *SU = dyn_cast<SCEVUnknown>(S))
       return isa<UndefValue>(SU->getValue());
-    else if (const auto *SC = dyn_cast<SCEVConstant>(S))
-      return isa<UndefValue>(SC->getValue());
     return false;
   });
 }