[llvm] r372619 - HexagonLoopIdiomRecognition - silence static analyzer dyn_cast<> null dereference warnings. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Sep 23 08:36:24 2019
New Revision: 372619

URL: http://llvm.org/viewvc/llvm-project?rev=372619&view=rev
Log:
HexagonLoopIdiomRecognition - silence static analyzer dyn_cast<> null dereference warnings. NFCI.

Modified:
    llvm/trunk/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp

Modified: llvm/trunk/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp?rev=372619&r1=372618&r2=372619&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp Mon Sep 23 08:36:24 2019
@@ -632,9 +632,9 @@ Value *PolynomialMultiplyRecognize::getC
     if (!isa<ConstantInt>(InitV) || !cast<ConstantInt>(InitV)->isZero())
       continue;
     Value *IterV = PN->getIncomingValueForBlock(BB);
-    if (!isa<BinaryOperator>(IterV))
-      continue;
     auto *BO = dyn_cast<BinaryOperator>(IterV);
+    if (!BO)
+      continue;
     if (BO->getOpcode() != Instruction::Add)
       continue;
     Value *IncV = nullptr;
@@ -2020,7 +2020,7 @@ bool HexagonLoopIdiomRecognize::processC
   // See if the pointer expression is an AddRec like {base,+,1} on the current
   // loop, which indicates a strided load.  If we have something else, it's a
   // random load we can't handle.
-  LoadInst *LI = dyn_cast<LoadInst>(SI->getValueOperand());
+  auto *LI = cast<LoadInst>(SI->getValueOperand());
   auto *LoadEv = cast<SCEVAddRecExpr>(SE->getSCEV(LI->getPointerOperand()));
 
   // The trip count of the loop and the base pointer of the addrec SCEV is