Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/PBQP/Solution.h b/linux-x64/clang/include/llvm/CodeGen/PBQP/Solution.h
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+++ b/linux-x64/clang/include/llvm/CodeGen/PBQP/Solution.h
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+//===- Solution.h - PBQP Solution -------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// PBQP Solution class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_PBQP_SOLUTION_H
+#define LLVM_CODEGEN_PBQP_SOLUTION_H
+
+#include "llvm/CodeGen/PBQP/Graph.h"
+#include <cassert>
+#include <map>
+
+namespace llvm {
+namespace PBQP {
+
+ /// \brief Represents a solution to a PBQP problem.
+ ///
+ /// To get the selection for each node in the problem use the getSelection method.
+ class Solution {
+ private:
+ using SelectionsMap = std::map<GraphBase::NodeId, unsigned>;
+ SelectionsMap selections;
+
+ public:
+ /// \brief Initialise an empty solution.
+ Solution() = default;
+
+ /// \brief Set the selection for a given node.
+ /// @param nodeId Node id.
+ /// @param selection Selection for nodeId.
+ void setSelection(GraphBase::NodeId nodeId, unsigned selection) {
+ selections[nodeId] = selection;
+ }
+
+ /// \brief Get a node's selection.
+ /// @param nodeId Node id.
+ /// @return The selection for nodeId;
+ unsigned getSelection(GraphBase::NodeId nodeId) const {
+ SelectionsMap::const_iterator sItr = selections.find(nodeId);
+ assert(sItr != selections.end() && "No selection for node.");
+ return sItr->second;
+ }
+ };
+
+} // end namespace PBQP
+} // end namespace llvm
+
+#endif // LLVM_CODEGEN_PBQP_SOLUTION_H