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author | Tony Linthicum <tlinth@codeaurora.org> | 2011-12-12 21:14:40 +0000 |
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committer | Tony Linthicum <tlinth@codeaurora.org> | 2011-12-12 21:14:40 +0000 |
commit | b4b54153ad760c69a00a08531abef4ed434a5092 (patch) | |
tree | 5c767f5ad7f35af4cb8dc0228769e16d62c993e7 /lib/Target/Hexagon/HexagonFrameLowering.h | |
parent | 127a669d09e21ddcd525f493c19dc399093bef35 (diff) | |
download | llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.gz llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.bz2 llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.xz |
Hexagon backend support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146412 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Hexagon/HexagonFrameLowering.h')
-rw-r--r-- | lib/Target/Hexagon/HexagonFrameLowering.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/Target/Hexagon/HexagonFrameLowering.h b/lib/Target/Hexagon/HexagonFrameLowering.h new file mode 100644 index 0000000000..ad87f11e24 --- /dev/null +++ b/lib/Target/Hexagon/HexagonFrameLowering.h @@ -0,0 +1,50 @@ +//=- HexagonFrameLowering.h - Define frame lowering for Hexagon --*- C++ -*--=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef HEXAGON_FRAMEINFO_H +#define HEXAGON_FRAMEINFO_H + +#include "Hexagon.h" +#include "HexagonSubtarget.h" +#include "llvm/Target/TargetFrameLowering.h" + +namespace llvm { + +class HexagonFrameLowering : public TargetFrameLowering { +private: + const HexagonSubtarget &STI; + void determineFrameLayout(MachineFunction &MF) const; + +public: + explicit HexagonFrameLowering(const HexagonSubtarget &sti) + : TargetFrameLowering(StackGrowsDown, 8, 0), STI(sti) { + } + + /// emitProlog/emitEpilog - These methods insert prolog and epilog code into + /// the function. + void emitPrologue(MachineFunction &MF) const; + void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; + virtual bool + spillCalleeSavedRegisters(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + const std::vector<CalleeSavedInfo> &CSI, + const TargetRegisterInfo *TRI) const; + virtual bool + restoreCalleeSavedRegisters(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + const std::vector<CalleeSavedInfo> &CSI, + const TargetRegisterInfo *TRI) const; + int getFrameIndexOffset(const MachineFunction &MF, int FI) const; + bool hasFP(const MachineFunction &MF) const; + bool hasTailCall(MachineBasicBlock &MBB) const; +}; + +} // End llvm namespace + +#endif |