Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190

external/llvm/lib/Transforms/ObjCARC/ProvenanceAnalysisEvaluator.cpp

@@ -1,94 +0,0 @@
-//===- ProvenanceAnalysisEvaluator.cpp - ObjC ARC Optimization ------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "ProvenanceAnalysis.h"
-#include "llvm/ADT/SetVector.h"
-#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/Passes.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/InstIterator.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Pass.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-using namespace llvm::objcarc;
-
-namespace {
-class PAEval : public FunctionPass {
-
-public:
-  static char ID;
-  PAEval();
-  void getAnalysisUsage(AnalysisUsage &AU) const override;
-  bool runOnFunction(Function &F) override;
-};
-}
-
-char PAEval::ID = 0;
-PAEval::PAEval() : FunctionPass(ID) {}
-
-void PAEval::getAnalysisUsage(AnalysisUsage &AU) const {
-  AU.addRequired<AAResultsWrapperPass>();
-}
-
-static StringRef getName(Value *V) {
-  StringRef Name = V->getName();
-  if (Name.startswith("\1"))
-    return Name.substr(1);
-  return Name;
-}
-
-static void insertIfNamed(SetVector<Value *> &Values, Value *V) {
-  if (!V->hasName())
-    return;
-  Values.insert(V);
-}
-
-bool PAEval::runOnFunction(Function &F) {
-  SetVector<Value *> Values;
-
-  for (auto &Arg : F.args())
-    insertIfNamed(Values, &Arg);
-
-  for (auto I = inst_begin(F), E = inst_end(F); I != E; ++I) {
-    insertIfNamed(Values, &*I);
-
-    for (auto &Op : I->operands())
-    insertIfNamed(Values, Op);
-  }
-
-  ProvenanceAnalysis PA;
-  PA.setAA(&getAnalysis<AAResultsWrapperPass>().getAAResults());
-  const DataLayout &DL = F.getParent()->getDataLayout();
-
-  for (Value *V1 : Values) {
-    StringRef NameV1 = getName(V1);
-    for (Value *V2 : Values) {
-      StringRef NameV2 = getName(V2);
-      if (NameV1 >= NameV2)
-        continue;
-      errs() << NameV1 << " and " << NameV2;
-      if (PA.related(V1, V2, DL))
-        errs() << " are related.\n";
-      else
-        errs() << " are not related.\n";
-    }
-  }
-
-  return false;
-}
-
-FunctionPass *llvm::createPAEvalPass() { return new PAEval(); }
-
-INITIALIZE_PASS_BEGIN(PAEval, "pa-eval",
-                      "Evaluate ProvenanceAnalysis on all pairs", false, true)
-INITIALIZE_PASS_DEPENDENCY(AAResultsWrapperPass)
-INITIALIZE_PASS_END(PAEval, "pa-eval",
-                    "Evaluate ProvenanceAnalysis on all pairs", false, true)