Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/MachineFunctionPass.h b/linux-x64/clang/include/llvm/CodeGen/MachineFunctionPass.h
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+//===-- MachineFunctionPass.h - Pass for MachineFunctions --------*-C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the MachineFunctionPass class. MachineFunctionPass's are
+// just FunctionPass's, except they operate on machine code as part of a code
+// generator. Because they operate on machine code, not the LLVM
+// representation, MachineFunctionPass's are not allowed to modify the LLVM
+// representation. Due to this limitation, the MachineFunctionPass class takes
+// care of declaring that no LLVM passes are invalidated.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_MACHINEFUNCTIONPASS_H
+#define LLVM_CODEGEN_MACHINEFUNCTIONPASS_H
+
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/Pass.h"
+
+namespace llvm {
+
+/// MachineFunctionPass - This class adapts the FunctionPass interface to
+/// allow convenient creation of passes that operate on the MachineFunction
+/// representation. Instead of overriding runOnFunction, subclasses
+/// override runOnMachineFunction.
+class MachineFunctionPass : public FunctionPass {
+public:
+ bool doInitialization(Module&) override {
+ // Cache the properties info at module-init time so we don't have to
+ // construct them for every function.
+ RequiredProperties = getRequiredProperties();
+ SetProperties = getSetProperties();
+ ClearedProperties = getClearedProperties();
+ return false;
+ }
+protected:
+ explicit MachineFunctionPass(char &ID) : FunctionPass(ID) {}
+
+ /// runOnMachineFunction - This method must be overloaded to perform the
+ /// desired machine code transformation or analysis.
+ ///
+ virtual bool runOnMachineFunction(MachineFunction &MF) = 0;
+
+ /// getAnalysisUsage - Subclasses that override getAnalysisUsage
+ /// must call this.
+ ///
+ /// For MachineFunctionPasses, calling AU.preservesCFG() indicates that
+ /// the pass does not modify the MachineBasicBlock CFG.
+ ///
+ void getAnalysisUsage(AnalysisUsage &AU) const override;
+
+ virtual MachineFunctionProperties getRequiredProperties() const {
+ return MachineFunctionProperties();
+ }
+ virtual MachineFunctionProperties getSetProperties() const {
+ return MachineFunctionProperties();
+ }
+ virtual MachineFunctionProperties getClearedProperties() const {
+ return MachineFunctionProperties();
+ }
+
+private:
+ MachineFunctionProperties RequiredProperties;
+ MachineFunctionProperties SetProperties;
+ MachineFunctionProperties ClearedProperties;
+
+ /// createPrinterPass - Get a machine function printer pass.
+ Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const override;
+
+ bool runOnFunction(Function &F) override;
+};
+
+} // End llvm namespace
+
+#endif