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Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZMachineFunctionInfo.h')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZMachineFunctionInfo.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZMachineFunctionInfo.h b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZMachineFunctionInfo.h new file mode 100644 index 000000000000..9eec3f37bc28 --- /dev/null +++ b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZMachineFunctionInfo.h @@ -0,0 +1,78 @@ +//=== SystemZMachineFunctionInfo.h - SystemZ machine function info -*- C++ -*-// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZMACHINEFUNCTIONINFO_H +#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZMACHINEFUNCTIONINFO_H + +#include "llvm/CodeGen/MachineFunction.h" + +namespace llvm { + +class SystemZMachineFunctionInfo : public MachineFunctionInfo { + virtual void anchor(); + unsigned LowSavedGPR; + unsigned HighSavedGPR; + unsigned VarArgsFirstGPR; + unsigned VarArgsFirstFPR; + unsigned VarArgsFrameIndex; + unsigned RegSaveFrameIndex; + int FramePointerSaveIndex; + bool ManipulatesSP; + unsigned NumLocalDynamics; + +public: + explicit SystemZMachineFunctionInfo(MachineFunction &MF) + : LowSavedGPR(0), HighSavedGPR(0), VarArgsFirstGPR(0), VarArgsFirstFPR(0), + VarArgsFrameIndex(0), RegSaveFrameIndex(0), FramePointerSaveIndex(0), + ManipulatesSP(false), NumLocalDynamics(0) {} + + // Get and set the first call-saved GPR that should be saved and restored + // by this function. This is 0 if no GPRs need to be saved or restored. + unsigned getLowSavedGPR() const { return LowSavedGPR; } + void setLowSavedGPR(unsigned Reg) { LowSavedGPR = Reg; } + + // Get and set the last call-saved GPR that should be saved and restored + // by this function. + unsigned getHighSavedGPR() const { return HighSavedGPR; } + void setHighSavedGPR(unsigned Reg) { HighSavedGPR = Reg; } + + // Get and set the number of fixed (as opposed to variable) arguments + // that are passed in GPRs to this function. + unsigned getVarArgsFirstGPR() const { return VarArgsFirstGPR; } + void setVarArgsFirstGPR(unsigned GPR) { VarArgsFirstGPR = GPR; } + + // Likewise FPRs. + unsigned getVarArgsFirstFPR() const { return VarArgsFirstFPR; } + void setVarArgsFirstFPR(unsigned FPR) { VarArgsFirstFPR = FPR; } + + // Get and set the frame index of the first stack vararg. + unsigned getVarArgsFrameIndex() const { return VarArgsFrameIndex; } + void setVarArgsFrameIndex(unsigned FI) { VarArgsFrameIndex = FI; } + + // Get and set the frame index of the register save area + // (i.e. the incoming stack pointer). + unsigned getRegSaveFrameIndex() const { return RegSaveFrameIndex; } + void setRegSaveFrameIndex(unsigned FI) { RegSaveFrameIndex = FI; } + + // Get and set the frame index of where the old frame pointer is stored. + int getFramePointerSaveIndex() const { return FramePointerSaveIndex; } + void setFramePointerSaveIndex(int Idx) { FramePointerSaveIndex = Idx; } + + // Get and set whether the function directly manipulates the stack pointer, + // e.g. through STACKSAVE or STACKRESTORE. + bool getManipulatesSP() const { return ManipulatesSP; } + void setManipulatesSP(bool MSP) { ManipulatesSP = MSP; } + + // Count number of local-dynamic TLS symbols used. + unsigned getNumLocalDynamicTLSAccesses() const { return NumLocalDynamics; } + void incNumLocalDynamicTLSAccesses() { ++NumLocalDynamics; } +}; + +} // end namespace llvm + +#endif |
