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Remove getNumUses() comparisons (NFC)
getNumUses() scans the full use list. Don't use it is we only want to check if there's zero or one uses.
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@ -144,7 +144,7 @@ public:
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// If the use is actually in a constant cast expression which itself
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// has only one use, we look through the constant cast expression.
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if (auto *CE = dyn_cast<ConstantExpr>(U->getUser()))
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if (CE->getNumUses() == 1 && CE->isCast())
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if (CE->hasOneUse() && CE->isCast())
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U = &*CE->use_begin();
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return (int)CB->getArgOperandNo(U) == CI.ParameterEncoding[0];
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@ -64,7 +64,7 @@ AbstractCallSite::AbstractCallSite(const Use *U)
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// This happens by updating the use @p U to the use of the constant
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// cast expression and afterwards re-initializing CB accordingly.
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if (ConstantExpr *CE = dyn_cast<ConstantExpr>(U->getUser()))
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if (CE->getNumUses() == 1 && CE->isCast()) {
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if (CE->hasOneUse() && CE->isCast()) {
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U = &*CE->use_begin();
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CB = dyn_cast<CallBase>(U->getUser());
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}
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@ -584,7 +584,7 @@ void CoroCloner::replaceEntryBlock() {
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// Move any allocas into Entry that weren't moved into the frame.
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for (auto IT = OldEntry->begin(), End = OldEntry->end(); IT != End;) {
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Instruction &I = *IT++;
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if (!isa<AllocaInst>(&I) || I.getNumUses() == 0)
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if (!isa<AllocaInst>(&I) || I.use_empty())
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continue;
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I.moveBefore(*Entry, Entry->getFirstInsertionPt());
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@ -1293,7 +1293,7 @@ static void createShallowWrapper(Function &F) {
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F.setLinkage(GlobalValue::InternalLinkage);
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F.replaceAllUsesWith(Wrapper);
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assert(F.getNumUses() == 0 && "Uses remained after wrapper was created!");
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assert(F.use_empty() && "Uses remained after wrapper was created!");
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// Move the COMDAT section to the wrapper.
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// TODO: Check if we need to keep it for F as well.
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@ -897,7 +897,7 @@ ChangeStatus AAReturnedValuesImpl::manifest(Attributor &A) {
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// Callback to replace the uses of CB with the constant C.
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auto ReplaceCallSiteUsersWith = [&A](CallBase &CB, Constant &C) {
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if (CB.getNumUses() == 0)
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if (CB.use_empty())
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return ChangeStatus::UNCHANGED;
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if (A.changeValueAfterManifest(CB, C))
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return ChangeStatus::CHANGED;
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@ -2267,7 +2267,7 @@ struct AANoAliasFloating final : AANoAliasImpl {
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if (!CI)
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break;
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Value *Base = CI->getOperand(0);
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if (Base->getNumUses() != 1)
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if (!Base->hasOneUse())
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break;
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Val = Base;
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} while (true);
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@ -2451,7 +2451,7 @@ struct AANoAliasCallSiteArgument final : AANoAliasImpl {
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Instruction *UserI = cast<Instruction>(U.getUser());
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// If user if curr instr and only use.
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if ((UserI == getCtxI()) && (UserI->getNumUses() == 1))
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if (UserI == getCtxI() && UserI->hasOneUse())
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return true;
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const Function *ScopeFn = VIRP.getAnchorScope();
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@ -704,7 +704,7 @@ Value *ConstantOffsetExtractor::removeConstOffset(unsigned ChainIndex) {
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}
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BinaryOperator *BO = cast<BinaryOperator>(UserChain[ChainIndex]);
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assert(BO->getNumUses() <= 1 &&
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assert((BO->use_empty() || BO->hasOneUse()) &&
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"distributeExtsAndCloneChain clones each BinaryOperator in "
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"UserChain, so no one should be used more than "
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"once");
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