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Searched refs:PN (Results 1 – 25 of 206) sorted by relevance

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/freebsd/contrib/llvm-project/llvm/lib/Transforms/InstCombine/
H A DInstCombinePHI.cpp43 void InstCombinerImpl::PHIArgMergedDebugLoc(Instruction *Inst, PHINode &PN) { in PHIArgMergedDebugLoc() argument
44 auto *FirstInst = cast<Instruction>(PN.getIncomingValue(0)); in PHIArgMergedDebugLoc()
50 for (Value *V : drop_begin(PN.incoming_values())) { in PHIArgMergedDebugLoc()
59 bool InstCombinerImpl::foldDeadPhiWeb(PHINode &PN) { in foldDeadPhiWeb() argument
62 Stack.push_back(&PN); in foldDeadPhiWeb()
134 bool InstCombinerImpl::foldIntegerTypedPHI(PHINode &PN) { in foldIntegerTypedPHI() argument
135 if (!PN.getType()->isIntegerTy()) in foldIntegerTypedPHI()
137 if (!PN.hasOneUse()) in foldIntegerTypedPHI()
140 auto *IntToPtr = dyn_cast<IntToPtrInst>(PN.user_back()); in foldIntegerTypedPHI()
170 for (auto Incoming : zip(PN.blocks(), PN.incoming_values())) { in foldIntegerTypedPHI()
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/freebsd/contrib/llvm-project/llvm/lib/Transforms/Utils/
H A DLoopSimplify.cpp174 PHINode *PN = cast<PHINode>(I); in findPHIToPartitionLoops() local
176 if (Value *V = simplifyInstruction(PN, {DL, nullptr, DT, AC})) { in findPHIToPartitionLoops()
178 PN->replaceAllUsesWith(V); in findPHIToPartitionLoops()
179 PN->eraseFromParent(); in findPHIToPartitionLoops()
184 for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) in findPHIToPartitionLoops()
185 if (PN->getIncomingValue(i) == PN && in findPHIToPartitionLoops()
186 L->contains(PN->getIncomingBlock(i))) in findPHIToPartitionLoops()
188 return PN; in findPHIToPartitionLoops()
245 PHINode *PN = findPHIToPartitionLoops(L, DT, AC); in separateNestedLoop() local
246 if (!PN) return nullptr; // No known way to partition. in separateNestedLoop()
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H A DLCSSA.cpp123 if (auto *PN = dyn_cast<PHINode>(User)) in formLCSSAForInstructionsImpl() local
124 UserBB = PN->getIncomingBlock(U); in formLCSSAForInstructionsImpl()
164 PHINode *PN = PHINode::Create(I->getType(), PredCache.size(ExitBB), in formLCSSAForInstructionsImpl() local
166 PN->insertBefore(ExitBB->begin()); in formLCSSAForInstructionsImpl()
168 InsertedPHIs->push_back(PN); in formLCSSAForInstructionsImpl()
170 PN->setDebugLoc(I->getDebugLoc()); in formLCSSAForInstructionsImpl()
178 PN->addIncoming(I, Pred); in formLCSSAForInstructionsImpl()
185 &PN->getOperandUse(PN->getOperandNumForIncomingValue( in formLCSSAForInstructionsImpl()
186 PN->getNumIncomingValues() - 1))); in formLCSSAForInstructionsImpl()
189 AddedPHIs.push_back(PN); in formLCSSAForInstructionsImpl()
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H A DLoopVersioning.cpp132 PHINode *PN; in addPHINodes() local
139 for (auto I = PHIBlock->begin(); (PN = dyn_cast<PHINode>(I)); ++I) { in addPHINodes()
140 if (PN->getIncomingValue(0) == Inst) { in addPHINodes()
141 SE->forgetLcssaPhiWithNewPredecessor(VersionedLoop, PN); in addPHINodes()
146 if (!PN) { in addPHINodes()
147 PN = PHINode::Create(Inst->getType(), 2, Inst->getName() + ".lver"); in addPHINodes()
148 PN->insertBefore(PHIBlock->begin()); in addPHINodes()
154 U->replaceUsesOfWith(Inst, PN); in addPHINodes()
155 PN->addIncoming(Inst, VersionedLoop->getExitingBlock()); in addPHINodes()
160 for (auto I = PHIBlock->begin(); (PN = dyn_cast<PHINode>(I)); ++I) { in addPHINodes()
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H A DLoopUnrollRuntime.cpp110 for (PHINode &PN : Succ->phis()) { in ConnectProlog()
118 PHINode *NewPN = PHINode::Create(PN.getType(), 2, PN.getName() + ".unr"); in ConnectProlog()
122 if (L->contains(&PN)) { in ConnectProlog()
124 NewPN->addIncoming(PN.getIncomingValueForBlock(NewPreHeader), in ConnectProlog()
128 NewPN->addIncoming(PoisonValue::get(PN.getType()), PreHeader); in ConnectProlog()
131 Value *V = PN.getIncomingValueForBlock(Latch); in ConnectProlog()
144 if (L->contains(&PN)) in ConnectProlog()
145 PN.setIncomingValueForBlock(NewPreHeader, NewPN); in ConnectProlog()
147 PN.addIncoming(NewPN, PrologExit); in ConnectProlog()
148 SE.forgetLcssaPhiWithNewPredecessor(L, &PN); in ConnectProlog()
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H A DUnifyFunctionExitNodes.cpp61 PHINode *PN = nullptr; in unifyReturnBlocks() local
66 PN = PHINode::Create(F.getReturnType(), ReturningBlocks.size(), in unifyReturnBlocks()
68 PN->insertInto(NewRetBlock, NewRetBlock->end()); in unifyReturnBlocks()
69 ReturnInst::Create(F.getContext(), PN, NewRetBlock); in unifyReturnBlocks()
77 if (PN) in unifyReturnBlocks()
78 PN->addIncoming(BB->getTerminator()->getOperand(0), BB); in unifyReturnBlocks()
H A DBasicBlockUtils.cpp149 while (PHINode *PN = dyn_cast<PHINode>(BB->begin())) { in FoldSingleEntryPHINodes() local
150 if (PN->getIncomingValue(0) != PN) in FoldSingleEntryPHINodes()
151 PN->replaceAllUsesWith(PN->getIncomingValue(0)); in FoldSingleEntryPHINodes()
153 PN->replaceAllUsesWith(PoisonValue::get(PN->getType())); in FoldSingleEntryPHINodes()
156 MemDep->removeInstruction(PN); // Memdep updates AA itself. in FoldSingleEntryPHINodes()
158 PN->eraseFromParent(); in FoldSingleEntryPHINodes()
171 if (PHINode *PN = dyn_cast_or_null<PHINode>(PHI.operator Value *())) in DeleteDeadPHIs() local
172 Changed |= RecursivelyDeleteDeadPHINode(PN, TLI, MSSAU); in DeleteDeadPHIs()
217 for (PHINode &PN : BB->phis()) in MergeBlockIntoPredecessor()
218 if (llvm::is_contained(PN.incoming_values(), &PN)) in MergeBlockIntoPredecessor()
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H A DDemoteRegToStack.cpp68 if (PHINode *PN = dyn_cast<PHINode>(U)) { in DemoteRegToStack() local
79 for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) in DemoteRegToStack()
80 if (PN->getIncomingValue(i) == &I) { in DemoteRegToStack()
81 Value *&V = Loads[PN->getIncomingBlock(i)]; in DemoteRegToStack()
86 PN->getIncomingBlock(i)->getTerminator()->getIterator()); in DemoteRegToStack()
87 Loads[PN->getIncomingBlock(i)] = V; in DemoteRegToStack()
89 PN->setIncomingValue(i, V); in DemoteRegToStack()
H A DScalarEvolutionExpander.cpp698 bool SCEVExpander::isNormalAddRecExprPHI(PHINode *PN, Instruction *IncV, in isNormalAddRecExprPHI() argument
720 if (IncV == PN) in isNormalAddRecExprPHI()
723 return isNormalAddRecExprPHI(PN, IncV, L); in isNormalAddRecExprPHI()
862 bool SCEVExpander::isExpandedAddRecExprPHI(PHINode *PN, Instruction *IncV, in isExpandedAddRecExprPHI() argument
867 if (IVOper == PN) in isExpandedAddRecExprPHI()
876 Value *SCEVExpander::expandIVInc(PHINode *PN, Value *StepV, const Loop *L, in expandIVInc() argument
880 if (PN->getType()->isPointerTy()) { in expandIVInc()
882 IncV = Builder.CreatePtrAdd(PN, StepV, "scevgep"); in expandIVInc()
885 Builder.CreateSub(PN, StepV, Twine(IVName) + ".iv.next") : in expandIVInc()
886 Builder.CreateAdd(PN, StepV, Twine(IVName) + ".iv.next"); in expandIVInc()
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H A DCloneFunction.cpp771 for (const PHINode &PN : BI.phis()) { in CloneAndPruneIntoFromInst() local
774 if (isa<PHINode>(VMap[&PN])) in CloneAndPruneIntoFromInst()
775 PHIToResolve.push_back(&PN); in CloneAndPruneIntoFromInst()
801 PHINode *PN = cast<PHINode>(VMap[OPN]); in CloneAndPruneIntoFromInst() local
803 Value *V = VMap.lookup(PN->getIncomingBlock(pred)); in CloneAndPruneIntoFromInst()
806 MapValue(PN->getIncomingValue(pred), VMap, in CloneAndPruneIntoFromInst()
809 PN->setIncomingValue(pred, InVal); in CloneAndPruneIntoFromInst()
810 PN->setIncomingBlock(pred, MappedBlock); in CloneAndPruneIntoFromInst()
812 PN->removeIncomingValue(pred, false); in CloneAndPruneIntoFromInst()
824 PHINode *PN = cast<PHINode>(NewBB->begin()); in CloneAndPruneIntoFromInst() local
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H A DLowerSwitch.cpp119 PHINode *PN = cast<PHINode>(&I); in FixPhis() local
122 unsigned Idx = 0, E = PN->getNumIncomingValues(); in FixPhis()
125 if (PN->getIncomingBlock(Idx) == OrigBB) { in FixPhis()
126 PN->setIncomingBlock(Idx, NewBB); in FixPhis()
139 if (PN->getIncomingBlock(Idx) == OrigBB) { in FixPhis()
146 PN->removeIncomingValue(III); in FixPhis()
198 PHINode *PN = cast<PHINode>(&I); in NewLeafBlock() local
199 auto *V = PN->getIncomingValueForBlock(OrigBlock); in NewLeafBlock()
200 PN->addIncoming(V, NewLeaf); in NewLeafBlock()
206 PHINode *PN = cast<PHINode>(I); in NewLeafBlock() local
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/freebsd/contrib/llvm-project/llvm/lib/Transforms/Scalar/
H A DLoopBoundSplit.cpp74 PHINode *PN = cast<PHINode>(Cond.AddRecValue); in analyzeICmp() local
75 Cond.NonPHIAddRecValue = PN->getIncomingValueForBlock(L.getLoopLatch()); in analyzeICmp()
364 for (PHINode &PN : L.getHeader()->phis()) { in splitLoopBound()
367 Builder.CreatePHI(PN.getType(), 1, PN.getName() + ".lcssa"); in splitLoopBound()
368 LCSSAPhi->setDebugLoc(PN.getDebugLoc()); in splitLoopBound()
372 isExitingLatch ? PN.getIncomingValueForBlock(L.getLoopLatch()) : &PN, in splitLoopBound()
376 PHINode *PostLoopPN = cast<PHINode>(VMap[&PN]); in splitLoopBound()
382 if (!SE.isSCEVable(PN.getType())) in splitLoopBound()
385 const SCEVAddRecExpr *PhiSCEV = dyn_cast<SCEVAddRecExpr>(SE.getSCEV(&PN)); in splitLoopBound()
387 PN.getIncomingValueForBlock(L.getLoopLatch())) in splitLoopBound()
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H A DLoopTermFold.cpp128 for (PHINode &PN : L->getHeader()->phis()) { in canFoldTermCondOfLoop()
129 if (ToFold == &PN) in canFoldTermCondOfLoop()
132 if (!SE.isSCEVable(PN.getType())) { in canFoldTermCondOfLoop()
133 LLVM_DEBUG(dbgs() << "IV of phi '" << PN in canFoldTermCondOfLoop()
138 const SCEVAddRecExpr *AddRec = dyn_cast<SCEVAddRecExpr>(SE.getSCEV(&PN)); in canFoldTermCondOfLoop()
141 LLVM_DEBUG(dbgs() << "SCEV of phi '" << PN in canFoldTermCondOfLoop()
164 dbgs() << "Is not safe to expand terminating value for phi node" << PN in canFoldTermCondOfLoop()
173 << PN << "\n"); in canFoldTermCondOfLoop()
179 if (!mustExecuteUBIfPoisonOnPathTo(&PN, LoopLatch->getTerminator(), &DT)) { in canFoldTermCondOfLoop()
180 LLVM_DEBUG(dbgs() << "Can not prove poison safety for IV " << PN << "\n"); in canFoldTermCondOfLoop()
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H A DGVNSink.cpp148 ModelledPHI(const PHINode *PN, in ModelledPHI() argument
155 for (unsigned I = 0, E = PN->getNumIncomingValues(); I != E; ++I) in ModelledPHI()
156 Ops.push_back({PN->getIncomingBlock(I), PN->getIncomingValue(I)}); in ModelledPHI()
566 for (PHINode &PN : BB->phis()) { in analyzeInitialPHIs()
567 auto MPHI = ModelledPHI(&PN, RPOTOrder); in analyzeInitialPHIs()
584 while (PHINode *PN = dyn_cast<PHINode>(I++)) { in foldPointlessPHINodes() local
585 if (!llvm::all_of(PN->incoming_values(), [&](const Value *V) { in foldPointlessPHINodes()
586 return V == PN->getIncomingValue(0); in foldPointlessPHINodes()
589 if (PN->getIncomingValue(0) != PN) in foldPointlessPHINodes()
590 PN->replaceAllUsesWith(PN->getIncomingValue(0)); in foldPointlessPHINodes()
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H A DCallSiteSplitting.cpp336 for (PHINode &PN : TailBB->phis()) { in splitCallSite()
339 if (&*CI == &PN) { in splitCallSite()
340 NewCI->setArgOperand(ArgNo, PN.getIncomingValueForBlock(SplitBlock)); in splitCallSite()
422 for (auto &PN : Parent->phis()) { in isPredicatedOnPHI() local
424 if (&*Arg != &PN) in isPredicatedOnPHI()
426 assert(PN.getNumIncomingValues() == 2 && in isPredicatedOnPHI()
428 if (PN.getIncomingBlock(0) == PN.getIncomingBlock(1)) in isPredicatedOnPHI()
430 if (PN.getIncomingValue(0) == PN.getIncomingValue(1)) in isPredicatedOnPHI()
432 if (isa<Constant>(PN.getIncomingValue(0)) && in isPredicatedOnPHI()
433 isa<Constant>(PN.getIncomingValue(1))) in isPredicatedOnPHI()
/freebsd/contrib/llvm-project/llvm/lib/Analysis/
H A DPhiValues.cpp127 const PhiValues::ValueSet &PhiValues::getValuesForPhi(const PHINode *PN) { in getValuesForPhi() argument
128 unsigned int DepthNumber = DepthMap.lookup(PN); in getValuesForPhi()
131 processPhi(PN, Stack); in getValuesForPhi()
132 DepthNumber = DepthMap.lookup(PN); in getValuesForPhi()
148 if (const PHINode *PN = dyn_cast<PHINode>(V)) in invalidateValue() local
149 DepthMap.erase(PN); in invalidateValue()
169 for (const PHINode &PN : BB.phis()) { in print() local
171 PN.printAsOperand(OS, false); in print()
173 unsigned int N = DepthMap.lookup(&PN); in print()
202 for (const PHINode &PN : BB.phis()) in run() local
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/freebsd/contrib/llvm-project/llvm/lib/IR/
H A DDominators.cpp137 if (auto *PN = dyn_cast<PHINode>(UserInst)) in dominates() local
140 return dominates(BB, PN->getIncomingBlock(U)); in dominates()
266 PHINode *PN = dyn_cast<PHINode>(UserInst); in dominates() local
267 if (PN && PN->getParent() == BBE.getEnd() && in dominates()
268 PN->getIncomingBlock(U) == BBE.getStart()) in dominates()
274 if (PN) in dominates()
275 UseBB = PN->getIncomingBlock(U); in dominates()
296 if (PHINode *PN = dyn_cast<PHINode>(UserInst)) in dominates() local
297 UseBB = PN->getIncomingBlock(U); in dominates()
342 if (PHINode *PN = dyn_cast<PHINode>(I)) in isReachableFromEntry() local
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H A DSafepointIRVerifier.cpp83 bool hasLiveIncomingEdge(const PHINode *PN, const BasicBlock *InBB) const { in hasLiveIncomingEdge() argument
85 const BasicBlock* BB = PN->getParent(); in hasLiveIncomingEdge()
351 if (const auto *PN = dyn_cast<PHINode>(V)) { in getBaseType() local
352 append_range(Worklist, PN->incoming_values()); in getBaseType()
470 bool hasLiveIncomingEdge(const PHINode *PN, const BasicBlock *InBB) const { in hasLiveIncomingEdge() argument
471 return CD.hasLiveIncomingEdge(PN, InBB); in hasLiveIncomingEdge()
665 if (const PHINode *PN = dyn_cast<PHINode>(&I)) { in removeValidUnrelocatedDefs() local
666 if (containsGCPtrType(PN->getType())) { in removeValidUnrelocatedDefs()
670 for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) { in removeValidUnrelocatedDefs()
671 const BasicBlock *InBB = PN->getIncomingBlock(i); in removeValidUnrelocatedDefs()
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/freebsd/contrib/llvm-project/llvm/lib/Target/Hexagon/
H A DHexagonVectorLoopCarriedReuse.cpp369 PHINode *PN = cast<PHINode>(D->front()); in findValueToReuse() local
372 BasicBlock *BB = PN->getParent(); in findValueToReuse()
373 LLVM_DEBUG(dbgs() << "Checking if any uses of " << *PN in findValueToReuse()
377 for (Use &U : PN->uses()) { in findValueToReuse()
502 PHINode *PN = dyn_cast<PHINode>(Op); in findValueInBlock() local
503 assert(PN); in findValueInBlock()
504 Value *ValueInBlock = PN->getIncomingValueForBlock(BB); in findValueInBlock()
590 PHINode *PN = dyn_cast<PHINode>(I); in findDepChainFromPHI() local
591 if (!PN) { in findDepChainFromPHI()
595 auto NumIncomingValues = PN->getNumIncomingValues(); in findDepChainFromPHI()
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/freebsd/contrib/llvm-project/llvm/lib/Transforms/Vectorize/
H A DEVLIndVarSimplify.cpp190 for (PHINode &PN : BB->phis()) { in run()
191 if (&PN == IndVar) in run()
196 if (PN.getBasicBlockIndex(InitBlock) < 0 || in run()
197 PN.getBasicBlockIndex(BackEdgeBlock) < 0) in run()
202 Value *Init = PN.getIncomingValueForBlock(InitBlock); in run()
220 Value *RecValue = PN.getIncomingValueForBlock(BackEdgeBlock); in run()
223 LLVM_DEBUG(dbgs() << "Found candidate PN of EVL-based IndVar: " << PN in run()
229 m_c_Add(m_ZExtOrSelf(IntrinsicMatch), m_Specific(&PN))) && in run()
230 match(RemTC, m_Sub(m_Value(TC), m_Specific(&PN)))) { in run()
/freebsd/contrib/llvm-project/llvm/lib/Transforms/ObjCARC/
H A DObjCARC.h75 void getEquivalentPHIs(PHINodeTy &PN, VectorTy &PHIList) { in getEquivalentPHIs() argument
76 auto *BB = PN.getParent(); in getEquivalentPHIs()
78 if (&P == &PN) // Do not add PN to the list. in getEquivalentPHIs()
80 unsigned I = 0, E = PN.getNumIncomingValues(); in getEquivalentPHIs()
82 auto *BB = PN.getIncomingBlock(I); in getEquivalentPHIs()
83 auto *PNOpnd = PN.getIncomingValue(I)->stripPointerCasts(); in getEquivalentPHIs()
/freebsd/contrib/llvm-project/llvm/lib/CodeGen/
H A DWinEHPrepare.cpp75 AllocaInst *insertPHILoads(PHINode *PN, Function &F);
875 auto *PN = dyn_cast<PHINode>(&I); in demotePHIsOnFunclets() local
877 if (!PN) in demotePHIsOnFunclets()
886 for (unsigned I = 0, E = PN->getNumIncomingValues(); I < E; ++I) { in demotePHIsOnFunclets()
888 PN->getIncomingBlock(I)->getFirstNonPHIIt())) { in demotePHIsOnFunclets()
899 AllocaInst *SpillSlot = insertPHILoads(PN, F); in demotePHIsOnFunclets()
901 insertPHIStores(PN, SpillSlot); in demotePHIsOnFunclets()
903 PHINodes.push_back(PN); in demotePHIsOnFunclets()
907 for (auto *PN : PHINodes) { in demotePHIsOnFunclets() local
909 PN->replaceAllUsesWith(PoisonValue::get(PN->getType())); in demotePHIsOnFunclets()
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/freebsd/contrib/llvm-project/llvm/include/llvm/Analysis/
H A DSparsePropagation.h78 virtual bool IsSpecialCasedPHI(PHINode *PN) { return false; } in IsSpecialCasedPHI() argument
398 void SparseSolver<LatticeKey, LatticeVal, KeyInfo>::visitPHINode(PHINode &PN) { in visitPHINode() argument
402 if (LatticeFunc->IsSpecialCasedPHI(&PN)) { in visitPHINode()
404 LatticeFunc->ComputeInstructionState(PN, ChangedValues, *this); in visitPHINode()
412 LatticeKey Key = KeyInfo::getLatticeKeyFromValue(&PN); in visitPHINode()
422 if (PN.getNumIncomingValues() > 64) { in visitPHINode()
430 for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) { in visitPHINode()
432 if (!isEdgeFeasible(PN.getIncomingBlock(i), PN.getParent(), true)) in visitPHINode()
437 getValueState(KeyInfo::getLatticeKeyFromValue(PN.getIncomingValue(i))); in visitPHINode()
453 if (PHINode *PN = dyn_cast<PHINode>(&I)) in visitInst() local
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/freebsd/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/
H A DFunctionLoweringInfo.cpp289 for (const PHINode &PN : BB.phis()) { in set() local
290 if (PN.use_empty()) in set()
294 if (PN.getType()->isEmptyTy()) in set()
297 DebugLoc DL = PN.getDebugLoc(); in set()
298 Register PHIReg = ValueMap[&PN]; in set()
302 ComputeValueVTs(*TLI, MF->getDataLayout(), PN.getType(), ValueVTs); in set()
443 void FunctionLoweringInfo::ComputePHILiveOutRegInfo(const PHINode *PN) { in ComputePHILiveOutRegInfo() argument
444 Type *Ty = PN->getType(); in ComputePHILiveOutRegInfo()
454 if (TLI->getNumRegisters(PN->getContext(), IntVT) != 1) in ComputePHILiveOutRegInfo()
456 IntVT = TLI->getRegisterType(PN->getContext(), IntVT); in ComputePHILiveOutRegInfo()
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/freebsd/contrib/llvm-project/llvm/lib/Target/XCore/
H A DXCoreLowerThreadLocal.cpp82 if (PHINode *PN = dyn_cast<PHINode>(WU)) { in replaceConstantExprOp() local
83 for (int I = 0, E = PN->getNumIncomingValues(); I < E; ++I) in replaceConstantExprOp()
84 if (PN->getIncomingValue(I) == CE) { in replaceConstantExprOp()
85 BasicBlock *PredBB = PN->getIncomingBlock(I); in replaceConstantExprOp()
87 PredBB = SplitEdge(PredBB, PN->getParent()); in replaceConstantExprOp()
92 PN->setOperand(I, NewInst); in replaceConstantExprOp()

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