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diff --git a/include/llvm/CodeGen/StackMapLivenessAnalysis.h b/include/llvm/CodeGen/StackMapLivenessAnalysis.h
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-//===--- StackMapLivenessAnalysis - StackMap Liveness Analysis --*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This pass calculates the liveness for each basic block in a function and
-// attaches the register live-out information to a patchpoint intrinsic (if
-// present).
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_STACKMAPLIVENESSANALYSIS_H
-#define LLVM_CODEGEN_STACKMAPLIVENESSANALYSIS_H
-
-#include "llvm/CodeGen/LivePhysRegs.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-
-
-namespace llvm {
-
-/// \brief This pass calculates the liveness information for each basic block in
-/// a function and attaches the register live-out information to a patchpoint
-/// intrinsic if present.
-///
-/// This pass can be disabled via the -enable-patchpoint-liveness=false flag.
-/// The pass skips functions that don't have any patchpoint intrinsics. The
-/// information provided by this pass is optional and not required by the
-/// aformentioned intrinsic to function.
-class StackMapLiveness : public MachineFunctionPass {
- MachineFunction *MF;
- const TargetRegisterInfo *TRI;
- LivePhysRegs LiveRegs;
-public:
- static char ID;
-
- /// \brief Default construct and initialize the pass.
- StackMapLiveness();
-
- /// \brief Tell the pass manager which passes we depend on and what
- /// information we preserve.
- void getAnalysisUsage(AnalysisUsage &AU) const override;
-
- /// \brief Calculate the liveness information for the given machine function.
- bool runOnMachineFunction(MachineFunction &MF) override;
-
-private:
- /// \brief Performs the actual liveness calculation for the function.
- bool calculateLiveness();
-
- /// \brief Add the current register live set to the instruction.
- void addLiveOutSetToMI(MachineInstr &MI);
-
- /// \brief Create a register mask and initialize it with the registers from
- /// the register live set.
- uint32_t *createRegisterMask() const;
-};
-
-} // llvm namespace
-
-#endif