50 static void findReturnsToZap(Function &F,  in findReturnsToZap()  argument
54   if (!Solver.isArgumentTrackedFunction(&F))  in findReturnsToZap()
57   if (Solver.mustPreserveReturn(&F)) {  in findReturnsToZap()
60         << "Can't zap returns of the function : " << F.getName()  in findReturnsToZap()
67       all_of(F.users(),  in findReturnsToZap()
94   for (BasicBlock &BB : F) {  in findReturnsToZap()
122   for (Function &F : M) {  in runIPSCCP()
123     if (F.isDeclaration())  in runIPSCCP()
126     DominatorTree &DT = GetDT(F);  in runIPSCCP()
127     AssumptionCache &AC = GetAC(F);  in runIPSCCP()
128     Solver.addPredicateInfo(F, DT, AC);  in runIPSCCP()
132     if (canTrackReturnsInterprocedurally(&F))  in runIPSCCP()
133       Solver.addTrackedFunction(&F);  in runIPSCCP()
137     if (canTrackArgumentsInterprocedurally(&F)) {  in runIPSCCP()
138       Solver.addArgumentTrackedFunction(&F);  in runIPSCCP()
143     Solver.markBlockExecutable(&F.front());  in runIPSCCP()
145     for (Argument &AI : F.args())  in runIPSCCP()
169   for (Function &F : M) {  in runIPSCCP()
170     if (F.isDeclaration())  in runIPSCCP()
175     if (Solver.isBlockExecutable(&F.front())) {  in runIPSCCP()
177       for (Argument &Arg : F.args()) {  in runIPSCCP()
197               F.getContext(),  in runIPSCCP()
198               Attribute::getWithMemoryEffects(F.getContext(), ME));  in runIPSCCP()
201         F.setAttributes(UpdateAttrs(F.getAttributes()));  in runIPSCCP()
202         for (User *U : F.users()) {  in runIPSCCP()
204           if (!CB || CB->getCalledFunction() != &F)  in runIPSCCP()
214     for (BasicBlock &BB : F) {  in runIPSCCP()
221         if (&BB != &F.front())  in runIPSCCP()
230     DominatorTree *DT = FAM->getCachedResult<DominatorTreeAnalysis>(F);  in runIPSCCP()
231     PostDominatorTree *PDT = FAM->getCachedResult<PostDominatorTreeAnalysis>(F);  in runIPSCCP()
241     if (!Solver.isBlockExecutable(&F.front()))  in runIPSCCP()
242       NumInstRemoved += changeToUnreachable(&*F.front().getFirstNonPHIOrDbg(),  in runIPSCCP()
246     for (BasicBlock &BB : F)  in runIPSCCP()
253     Solver.removeSSACopies(F);  in runIPSCCP()
270   for (const auto &[F, ReturnValue] : Solver.getTrackedRetVals()) {  in runIPSCCP()
271     assert(!F->getReturnType()->isVoidTy() &&  in runIPSCCP()
274       findReturnsToZap(*F, ReturnsToZap, Solver);  in runIPSCCP()
277   for (auto *F : Solver.getMRVFunctionsTracked()) {  in runIPSCCP()  local
278     assert(F->getReturnType()->isStructTy() &&  in runIPSCCP()
280     StructType *STy = cast<StructType>(F->getReturnType());  in runIPSCCP()
281     if (Solver.isStructLatticeConstant(F, STy))  in runIPSCCP()
282       findReturnsToZap(*F, ReturnsToZap, Solver);  in runIPSCCP()
288     Function *F = RI->getParent()->getParent();  in runIPSCCP()  local
289     RI->setOperand(0, PoisonValue::get(F->getReturnType()));  in runIPSCCP()
291     FuncZappedReturn.insert(F);  in runIPSCCP()
300   for (Function *F : FuncZappedReturn) {  in runIPSCCP()
301     for (Argument &A : F->args())  in runIPSCCP()
302       F->removeParamAttr(A.getArgNo(), Attribute::Returned);  in runIPSCCP()
303     F->removeRetAttrs(UBImplyingAttributes);  in runIPSCCP()
304     for (Use &U : F->uses()) {  in runIPSCCP()
359   auto GetTLI = [&FAM](Function &F) -> const TargetLibraryInfo & {  in run()  argument
360     return FAM.getResult<TargetLibraryAnalysis>(F);  in run()
362   auto GetTTI = [&FAM](Function &F) -> TargetTransformInfo & {  in run()  argument
363     return FAM.getResult<TargetIRAnalysis>(F);  in run()
365   auto GetAC = [&FAM](Function &F) -> AssumptionCache & {  in run()  argument
366     return FAM.getResult<AssumptionAnalysis>(F);  in run()
368   auto GetDT = [&FAM](Function &F) -> DominatorTree & {  in run()  argument
369     return FAM.getResult<DominatorTreeAnalysis>(F);  in run()
371   auto GetBFI = [&FAM](Function &F) -> BlockFrequencyInfo & {  in run()  argument
372     return FAM.getResult<BlockFrequencyAnalysis>(F);  in run()