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

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The static analyzer is warning about potential null dereferences, but we should be able to use cast<> directly and if not assert will fire for us.

llvm-svn: 372992
This commit is contained in:
Simon Pilgrim 2019-09-26 16:05:55 +00:00
parent a533429dfb
commit ec57a7d95f
1 changed files with 2 additions and 2 deletions
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4
lib/Target/ARM/ARMBaseInstrInfo.cpp
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@ -4337,10 +4337,10 @@ ARMBaseInstrInfo::getOperandLatency(const InstrItineraryData *ItinData,
}
const MCInstrDesc &UseMCID = get(UseNode->getMachineOpcode());
const MachineSDNode *DefMN = dyn_cast<MachineSDNode>(DefNode);
auto *DefMN = cast<MachineSDNode>(DefNode);
unsigned DefAlign = !DefMN->memoperands_empty()
? (*DefMN->memoperands_begin())->getAlignment() : 0;
const MachineSDNode *UseMN = dyn_cast<MachineSDNode>(UseNode);
auto *UseMN = cast<MachineSDNode>(UseNode);
unsigned UseAlign = !UseMN->memoperands_empty()
? (*UseMN->memoperands_begin())->getAlignment() : 0;
int Latency = getOperandLatency(ItinData, DefMCID, DefIdx, DefAlign,