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HexagonLoopIdiomRecognition - silence static analyzer dyn_cast<> null dereference warnings. NFCI. 

llvm-svn: 372619
This commit is contained in:
Simon Pilgrim 2019-09-23 15:36:24 +00:00
parent d8d99d957c
commit 92fb382074
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp
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@ -632,9 +632,9 @@ Value *PolynomialMultiplyRecognize::getCountIV(BasicBlock *BB) {
if (!isa<ConstantInt>(InitV) || !cast<ConstantInt>(InitV)->isZero()) if (!isa<ConstantInt>(InitV) || !cast<ConstantInt>(InitV)->isZero())
continue; continue;
Value *IterV = PN->getIncomingValueForBlock(BB); Value *IterV = PN->getIncomingValueForBlock(BB);
if (!isa<BinaryOperator>(IterV))
continue;
auto *BO = dyn_cast<BinaryOperator>(IterV); auto *BO = dyn_cast<BinaryOperator>(IterV);
if (!BO)
continue;
if (BO->getOpcode() != Instruction::Add) if (BO->getOpcode() != Instruction::Add)
continue; continue;
Value *IncV = nullptr; Value *IncV = nullptr;
@ -2020,7 +2020,7 @@ bool HexagonLoopIdiomRecognize::processCopyingStore(Loop *CurLoop,
// See if the pointer expression is an AddRec like {base,+,1} on the current // 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 // loop, which indicates a strided load. If we have something else, it's a
// random load we can't handle. // 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())); auto *LoadEv = cast<SCEVAddRecExpr>(SE->getSCEV(LI->getPointerOperand()));
// The trip count of the loop and the base pointer of the addrec SCEV is // The trip count of the loop and the base pointer of the addrec SCEV is