[llvm] r310397 - [NewGVN] Use a cast instead of a dyn_cast.

[Chad Rosier via llvm-commits]

Author: mcrosier
Date: Tue Aug  8 11:41:49 2017
New Revision: 310397

URL: http://llvm.org/viewvc/llvm-project?rev=310397&view=rev
Log:
[NewGVN] Use a cast instead of a dyn_cast.

Differential Revision: https://reviews.llvm.org/D36478

Modified:
    llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp?rev=310397&r1=310396&r2=310397&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp Tue Aug  8 11:41:49 2017
@@ -1711,7 +1711,9 @@ NewGVN::performSymbolicAggrValueEvaluati
   return createAggregateValueExpression(I);
 }
 const Expression *NewGVN::performSymbolicCmpEvaluation(Instruction *I) const {
-  auto *CI = dyn_cast<CmpInst>(I);
+  assert(isa<CmpInst>(I) && "Expected a cmp instruction.");
+
+  auto *CI = cast<CmpInst>(I);
   // See if our operands are equal to those of a previous predicate, and if so,
   // if it implies true or false.
   auto Op0 = lookupOperandLeader(CI->getOperand(0));