73     explicit FnProperties(const TargetMachine &TM, const Function &F) {  in FnProperties()  argument
74       Features = TM.getSubtargetImpl(F)->getFeatureBits();  in FnProperties()
77         if (F.hasFnAttribute(AttributeNames[I]))  in FnProperties()
78           Attributes[I] = F.getFnAttribute(AttributeNames[I]);  in FnProperties()
128   Function *cloneWithProperties(Function &F, const FnProperties &NewProps);
131   void setFeatures(Function &F, const FeatureBitset &NewFeatures);
134   void setAttributes(Function &F, const ArrayRef<Optional<Attribute>> NewAttrs);
146   bool process(Function &F);
168   bool runOnFunction(Function &F) override;
214   for (auto &F : M.functions())  in process()  local
215     if (AMDGPU::isEntryFunctionCC(F.getCallingConv()))  in process()
216       Roots.insert(&F);  in process()
221 bool AMDGPUPropagateAttributes::process(Function &F) {  in process()  argument
222   Roots.insert(&F);  in process()
239     for (auto &F : M.functions()) {  in process()  local
240       if (F.isDeclaration())  in process()
243       const FnProperties CalleeProps(*TM, F);  in process()
247       for (User *U : F.users()) {  in process()
256         if (!CI || CI->getCalledOperand() != &F)  in process()
267           if (!Roots.count(&F))  in process()
268             NewRoots.insert(&F);  in process()
272         Function *NewF = findFunction(CallerProps, &F);  in process()
280             setFeatures(F, NewProps.Features);  in process()
281             setAttributes(F, NewProps.Attributes);  in process()
282             NewRoots.insert(&F);  in process()
287           NewF = cloneWithProperties(F, NewProps);  in process()
288           Clones.push_back(Clone(CallerProps, &F, NewF));  in process()
293         Replaced.insert(&F);  in process()
305   for (Function *F : Replaced) {  in process()
306     if (F->use_empty())  in process()
307       F->eraseFromParent();  in process()
317 AMDGPUPropagateAttributes::cloneWithProperties(Function &F,  in cloneWithProperties()  argument
319   LLVM_DEBUG(dbgs() << "Cloning " << F.getName() << '\n');  in cloneWithProperties()
322   Function *NewF = CloneFunction(&F, dummy);  in cloneWithProperties()
330   if (F.hasName() && F.hasLocalLinkage()) {  in cloneWithProperties()
332     NewF->takeName(&F);  in cloneWithProperties()
333     F.setName(NewName);  in cloneWithProperties()
339 void AMDGPUPropagateAttributes::setFeatures(Function &F,  in setFeatures()  argument
345                     << " on " << F.getName() << '\n');  in setFeatures()
347   F.removeFnAttr("target-features");  in setFeatures()
348   F.addFnAttr("target-features", NewFeatureStr);  in setFeatures()
351 void AMDGPUPropagateAttributes::setAttributes(Function &F,  in setAttributes()  argument
353   LLVM_DEBUG(dbgs() << "Set attributes on " << F.getName() << ":\n");  in setAttributes()
355     F.removeFnAttr(AttributeNames[I]);  in setAttributes()
358       F.addFnAttr(*NewAttrs[I]);  in setAttributes()
377 bool AMDGPUPropagateAttributesEarly::runOnFunction(Function &F) {  in runOnFunction()  argument
386   if (!AMDGPU::isEntryFunctionCC(F.getCallingConv()))  in runOnFunction()
389   return AMDGPUPropagateAttributes(TM, false).process(F);  in runOnFunction()
415 AMDGPUPropagateAttributesEarlyPass::run(Function &F,  in run()  argument
417   if (!AMDGPU::isEntryFunctionCC(F.getCallingConv()))  in run()
420   return AMDGPUPropagateAttributes(&TM, false).process(F)  in run()