diff options
Diffstat (limited to 'lib/Target/AArch64/AArch64FrameLowering.h')
| -rw-r--r-- | lib/Target/AArch64/AArch64FrameLowering.h | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/lib/Target/AArch64/AArch64FrameLowering.h b/lib/Target/AArch64/AArch64FrameLowering.h index 6dbd34b2189f..ac150e86c9eb 100644 --- a/lib/Target/AArch64/AArch64FrameLowering.h +++ b/lib/Target/AArch64/AArch64FrameLowering.h @@ -13,6 +13,7 @@ #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64FRAMELOWERING_H #define LLVM_LIB_TARGET_AARCH64_AARCH64FRAMELOWERING_H +#include "AArch64StackOffset.h" #include "llvm/CodeGen/TargetFrameLowering.h" namespace llvm { @@ -20,7 +21,7 @@ namespace llvm { class AArch64FrameLowering : public TargetFrameLowering { public: explicit AArch64FrameLowering() - : TargetFrameLowering(StackGrowsDown, 16, 0, 16, + : TargetFrameLowering(StackGrowsDown, Align(16), 0, Align(16), true /*StackRealignable*/) {} void emitCalleeSavedFrameMoves(MachineBasicBlock &MBB, @@ -39,12 +40,13 @@ public: int getFrameIndexReference(const MachineFunction &MF, int FI, unsigned &FrameReg) const override; - int resolveFrameIndexReference(const MachineFunction &MF, int FI, - unsigned &FrameReg, bool PreferFP, - bool ForSimm) const; - int resolveFrameOffsetReference(const MachineFunction &MF, int ObjectOffset, - bool isFixed, unsigned &FrameReg, - bool PreferFP, bool ForSimm) const; + StackOffset resolveFrameIndexReference(const MachineFunction &MF, int FI, + unsigned &FrameReg, bool PreferFP, + bool ForSimm) const; + StackOffset resolveFrameOffsetReference(const MachineFunction &MF, + int ObjectOffset, bool isFixed, + bool isSVE, unsigned &FrameReg, + bool PreferFP, bool ForSimm) const; bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, const std::vector<CalleeSavedInfo> &CSI, @@ -85,9 +87,21 @@ public: int FI) const override; int getSEHFrameIndexOffset(const MachineFunction &MF, int FI) const; + bool isSupportedStackID(TargetStackID::Value ID) const override { + switch (ID) { + default: + return false; + case TargetStackID::Default: + case TargetStackID::SVEVector: + case TargetStackID::NoAlloc: + return true; + } + } + private: bool shouldCombineCSRLocalStackBump(MachineFunction &MF, unsigned StackBumpBytes) const; + int64_t determineSVEStackSize(MachineFrameInfo &MF, unsigned &MaxAlign) const; }; } // End llvm namespace |