Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/EdgeBundles.h b/linux-x64/clang/include/llvm/CodeGen/EdgeBundles.h
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+++ b/linux-x64/clang/include/llvm/CodeGen/EdgeBundles.h
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+//===-------- EdgeBundles.h - Bundles of CFG edges --------------*- c++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// The EdgeBundles analysis forms equivalence classes of CFG edges such that all
+// edges leaving a machine basic block are in the same bundle, and all edges
+// leaving a basic block are in the same bundle.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_EDGEBUNDLES_H
+#define LLVM_CODEGEN_EDGEBUNDLES_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/IntEqClasses.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
+
+namespace llvm {
+
+class EdgeBundles : public MachineFunctionPass {
+ const MachineFunction *MF;
+
+ /// EC - Each edge bundle is an equivalence class. The keys are:
+ /// 2*BB->getNumber() -> Ingoing bundle.
+ /// 2*BB->getNumber()+1 -> Outgoing bundle.
+ IntEqClasses EC;
+
+ /// Blocks - Map each bundle to a list of basic block numbers.
+ SmallVector<SmallVector<unsigned, 8>, 4> Blocks;
+
+public:
+ static char ID;
+ EdgeBundles() : MachineFunctionPass(ID) {}
+
+ /// getBundle - Return the ingoing (Out = false) or outgoing (Out = true)
+ /// bundle number for basic block #N
+ unsigned getBundle(unsigned N, bool Out) const { return EC[2 * N + Out]; }
+
+ /// getNumBundles - Return the total number of bundles in the CFG.
+ unsigned getNumBundles() const { return EC.getNumClasses(); }
+
+ /// getBlocks - Return an array of blocks that are connected to Bundle.
+ ArrayRef<unsigned> getBlocks(unsigned Bundle) const { return Blocks[Bundle]; }
+
+ /// getMachineFunction - Return the last machine function computed.
+ const MachineFunction *getMachineFunction() const { return MF; }
+
+ /// view - Visualize the annotated bipartite CFG with Graphviz.
+ void view() const;
+
+private:
+ bool runOnMachineFunction(MachineFunction&) override;
+ void getAnalysisUsage(AnalysisUsage&) const override;
+};
+
+} // end namespace llvm
+
+#endif