+++ /dev/null
-//===--- 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
//===----------------------------------------------------------------------===//
#include "llvm/ADT/Statistic.h"
+#include "llvm/CodeGen/LivePhysRegs.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/Passes.h"
-#include "llvm/CodeGen/StackMapLivenessAnalysis.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#define DEBUG_TYPE "stackmaps"
-namespace llvm {
-cl::opt<bool> EnablePatchPointLiveness("enable-patchpoint-liveness",
- cl::Hidden, cl::init(true),
- cl::desc("Enable PatchPoint Liveness Analysis Pass"));
-}
+static cl::opt<bool> EnablePatchPointLiveness(
+ "enable-patchpoint-liveness", cl::Hidden, cl::init(true),
+ cl::desc("Enable PatchPoint Liveness Analysis Pass"));
STATISTIC(NumStackMapFuncVisited, "Number of functions visited");
STATISTIC(NumStackMapFuncSkipped, "Number of functions skipped");
STATISTIC(NumBBsHaveNoStackmap, "Number of basic blocks with no stackmap");
STATISTIC(NumStackMaps, "Number of StackMaps visited");
+namespace {
+/// \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;
+};
+} // namespace
+
char StackMapLiveness::ID = 0;
char &llvm::StackMapLivenessID = StackMapLiveness::ID;
INITIALIZE_PASS(StackMapLiveness, "stackmap-liveness",