LLVM: lib/Target/Hexagon/HexagonFrameLowering.cpp File Reference (original) (raw)
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| Namespaces | |
|---|---|
| namespace | llvm |
| This is an optimization pass for GlobalISel generic memory operations. | |
| Functions | |
|---|---|
| void | llvm::initializeHexagonCallFrameInformationPass (PassRegistry &) |
| FunctionPass * | llvm::createHexagonCallFrameInformation () |
| INITIALIZE_PASS (HexagonCallFrameInformation, "hexagon-cfi", "Hexagon call frame information", false, false) FunctionPass *llvm | |
| static Register | getMax32BitSubRegister (Register Reg, const TargetRegisterInfo &TRI, bool hireg=true) |
| Map a register pair Reg to the subregister that has the greater "number", i.e. | |
| static Register | getMaxCalleeSavedReg (ArrayRef< CalleeSavedInfo > CSI, const TargetRegisterInfo &TRI) |
| Returns the callee saved register with the largest id in the vector. | |
| static bool | needsStackFrame (const MachineBasicBlock &MBB, const BitVector &CSR, const HexagonRegisterInfo &HRI) |
| Checks if the basic block contains any instruction that needs a stack frame to be already in place. | |
| static bool | hasTailCall (const MachineBasicBlock &MBB) |
| Returns true if MBB has a machine instructions that indicates a tail call in the block. | |
| static bool | hasReturn (const MachineBasicBlock &MBB) |
| Returns true if MBB contains an instruction that returns. | |
| static MachineInstr * | getReturn (MachineBasicBlock &MBB) |
| Returns the "return" instruction from this block, or nullptr if there isn't any. | |
| static bool | isRestoreCall (unsigned Opc) |
| static bool | isOptNone (const MachineFunction &MF) |
| static bool | isOptSize (const MachineFunction &MF) |
| static bool | isMinSize (const MachineFunction &MF) |
| static bool | enableAllocFrameElim (const MachineFunction &MF) |
| static std::optional< MachineBasicBlock::iterator > | findCFILocation (MachineBasicBlock &B) |
| static const char * | getSpillFunctionFor (Register MaxReg, SpillKind SpillType, bool Stkchk=false) |
| static bool | needToReserveScavengingSpillSlots (MachineFunction &MF, const HexagonRegisterInfo &HRI, const TargetRegisterClass *RC) |
| Returns true if there are no caller-saved registers available in class RC. | |
| static void | dump_registers (BitVector &Regs, const TargetRegisterInfo &TRI) |
| Variables | |
|---|---|
| static cl::opt< bool > | DisableDeallocRet ("disable-hexagon-dealloc-ret", cl::Hidden, cl::desc("Disable Dealloc Return for Hexagon target")) |
| static cl::opt< unsigned > | NumberScavengerSlots ("number-scavenger-slots", cl::Hidden, cl::desc("Set the number of scavenger slots"), cl::init(2)) |
| static cl::opt< int > | SpillFuncThreshold ("spill-func-threshold", cl::Hidden, cl::desc("Specify O2(not Os) spill func threshold"), cl::init(6)) |
| static cl::opt< int > | SpillFuncThresholdOs ("spill-func-threshold-Os", cl::Hidden, cl::desc("Specify Os spill func threshold"), cl::init(1)) |
| static cl::opt< bool > | EnableStackOVFSanitizer ("enable-stackovf-sanitizer", cl::Hidden, cl::desc("Enable runtime checks for stack overflow."), cl::init(false)) |
| static cl::opt< bool > | EnableShrinkWrapping ("hexagon-shrink-frame", cl::init(true), cl::Hidden, cl::desc("Enable stack frame shrink wrapping")) |
| static cl::opt< unsigned > | ShrinkLimit ("shrink-frame-limit", cl::init(std::numeric_limits< unsigned >::max()), cl::Hidden, cl::desc("Max count of stack frame shrink-wraps")) |
| static cl::opt< bool > | EnableSaveRestoreLong ("enable-save-restore-long", cl::Hidden, cl::desc("Enable long calls for save-restore stubs."), cl::init(false)) |
| static cl::opt< bool > | EliminateFramePointer ("hexagon-fp-elim", cl::init(true), cl::Hidden, cl::desc("Refrain from using FP whenever possible")) |
| static cl::opt< bool > | OptimizeSpillSlots ("hexagon-opt-spill", cl::Hidden, cl::init(true), cl::desc("Optimize spill slots")) |
| static cl::opt< unsigned > | SpillOptMax ("spill-opt-max", cl::Hidden, cl::init(std::numeric_limits< unsigned >::max())) |
| static unsigned | SpillOptCount = 0 |
◆ DEBUG_TYPE
#define DEBUG_TYPE "hexagon-pei"
◆ SpillKind
◆ dump_registers()
◆ enableAllocFrameElim()
◆ findCFILocation()
◆ getMax32BitSubRegister()
◆ getMaxCalleeSavedReg()
◆ getReturn()
◆ getSpillFunctionFor()
◆ hasReturn()
◆ hasTailCall()
◆ INITIALIZE_PASS()
| INITIALIZE_PASS | ( | HexagonCallFrameInformation | , |
|---|---|---|---|
| "hexagon-cfi" | , | ||
| "Hexagon call frame information" | , | ||
| false | , | ||
| false | |||
| ) |
◆ isMinSize()
◆ isOptNone()
◆ isOptSize()
◆ isRestoreCall()
◆ needsStackFrame()
◆ needToReserveScavengingSpillSlots()
◆ DisableDeallocRet
| cl::opt< bool > DisableDeallocRet("disable-hexagon-dealloc-ret", cl::Hidden, cl::desc("Disable Dealloc Return for Hexagon target")) ( "disable-hexagon-dealloc-ret" , cl::Hidden , cl::desc("Disable Dealloc Return for Hexagon target") ) | static |
|---|
◆ EliminateFramePointer
| cl::opt< bool > EliminateFramePointer("hexagon-fp-elim", cl::init(true), cl::Hidden, cl::desc("Refrain from using FP whenever possible")) ( "hexagon-fp-elim" , cl::init(true) , cl::Hidden , cl::desc("Refrain from using FP whenever possible") ) | static |
|---|
◆ EnableSaveRestoreLong
| cl::opt< bool > EnableSaveRestoreLong("enable-save-restore-long", cl::Hidden, cl::desc("Enable long calls for save-restore stubs."), cl::init(false)) ( "enable-save-restore-long" , cl::Hidden , cl::desc("Enable long calls for save-restore stubs.") , cl::init(false) ) | static |
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◆ EnableShrinkWrapping
| cl::opt< bool > EnableShrinkWrapping("hexagon-shrink-frame", cl::init(true), cl::Hidden, cl::desc("Enable stack frame shrink wrapping")) ( "hexagon-shrink-frame" , cl::init(true) , cl::Hidden , cl::desc("Enable stack frame shrink wrapping") ) | static |
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◆ EnableStackOVFSanitizer
| cl::opt< bool > EnableStackOVFSanitizer("enable-stackovf-sanitizer", cl::Hidden, cl::desc("Enable runtime checks for stack overflow."), cl::init(false)) ( "enable-stackovf-sanitizer" , cl::Hidden , cl::desc("Enable runtime checks for stack overflow.") , cl::init(false) ) | static |
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◆ NumberScavengerSlots
| cl::opt< unsigned > NumberScavengerSlots("number-scavenger-slots", cl::Hidden, cl::desc("Set the number of scavenger slots"), cl::init(2)) ( "number-scavenger-slots" , cl::Hidden , cl::desc("Set the number of scavenger slots") , cl::init(2) ) | static |
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◆ OptimizeSpillSlots
| cl::opt< bool > OptimizeSpillSlots("hexagon-opt-spill", cl::Hidden, cl::init(true), cl::desc("Optimize spill slots")) ( "hexagon-opt-spill" , cl::Hidden , cl::init(true) , cl::desc("Optimize spill slots") ) | static |
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◆ ShrinkLimit
| cl::opt< unsigned > ShrinkLimit("shrink-frame-limit", cl::init(std::numeric_limits< unsigned >::max()), cl::Hidden, cl::desc("Max count of stack frame shrink-wraps")) ( "shrink-frame-limit" , cl::init(std::numeric_limits< unsigned >::max()) , cl::Hidden , cl::desc("Max count of stack frame shrink-wraps") ) | static |
|---|
◆ SpillFuncThreshold
| cl::opt< int > SpillFuncThreshold("spill-func-threshold", cl::Hidden, cl::desc("Specify O2(not Os) spill func threshold"), cl::init(6)) ( "spill-func-threshold" , cl::Hidden , cl::desc("Specify O2(not Os) spill func threshold") , cl::init(6) ) | static |
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◆ SpillFuncThresholdOs
| cl::opt< int > SpillFuncThresholdOs("spill-func-threshold-Os", cl::Hidden, cl::desc("Specify Os spill func threshold"), cl::init(1)) ( "spill-func-threshold-Os" , cl::Hidden , cl::desc("Specify Os spill func threshold") , cl::init(1) ) | static |
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◆ SpillOptCount
◆ SpillOptMax
| cl::opt< unsigned > SpillOptMax("spill-opt-max", cl::Hidden, cl::init(std::numeric_limits< unsigned >::max())) ( "spill-opt-max" , cl::Hidden , cl::init(std::numeric_limits< unsigned >::max()) ) | static |
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