Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h b/linux-x64/clang/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h
new file mode 100644
index 0000000..329be51
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+++ b/linux-x64/clang/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h
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+//===- ScalarEvolutionAliasAnalysis.h - SCEV-based AA -----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This is the interface for a SCEV-based alias analysis.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ANALYSIS_SCALAREVOLUTIONALIASANALYSIS_H
+#define LLVM_ANALYSIS_SCALAREVOLUTIONALIASANALYSIS_H
+
+#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/ScalarEvolutionExpressions.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Pass.h"
+
+namespace llvm {
+
+/// A simple alias analysis implementation that uses ScalarEvolution to answer
+/// queries.
+class SCEVAAResult : public AAResultBase<SCEVAAResult> {
+ ScalarEvolution &SE;
+
+public:
+ explicit SCEVAAResult(ScalarEvolution &SE) : AAResultBase(), SE(SE) {}
+ SCEVAAResult(SCEVAAResult &&Arg) : AAResultBase(std::move(Arg)), SE(Arg.SE) {}
+
+ AliasResult alias(const MemoryLocation &LocA, const MemoryLocation &LocB);
+
+private:
+ Value *GetBaseValue(const SCEV *S);
+};
+
+/// Analysis pass providing a never-invalidated alias analysis result.
+class SCEVAA : public AnalysisInfoMixin<SCEVAA> {
+ friend AnalysisInfoMixin<SCEVAA>;
+ static AnalysisKey Key;
+
+public:
+ typedef SCEVAAResult Result;
+
+ SCEVAAResult run(Function &F, FunctionAnalysisManager &AM);
+};
+
+/// Legacy wrapper pass to provide the SCEVAAResult object.
+class SCEVAAWrapperPass : public FunctionPass {
+ std::unique_ptr<SCEVAAResult> Result;
+
+public:
+ static char ID;
+
+ SCEVAAWrapperPass();
+
+ SCEVAAResult &getResult() { return *Result; }
+ const SCEVAAResult &getResult() const { return *Result; }
+
+ bool runOnFunction(Function &F) override;
+ void getAnalysisUsage(AnalysisUsage &AU) const override;
+};
+
+/// Creates an instance of \c SCEVAAWrapperPass.
+FunctionPass *createSCEVAAWrapperPass();
+
+}
+
+#endif