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LLVM
3.7.0
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PseudoSourceValue - Special value supplied for machine level alias analysis. More...
#include <PseudoSourceValue.h>
Public Member Functions | |
| PseudoSourceValue (bool isFixed=false) | |
| virtual | ~PseudoSourceValue () |
| virtual bool | isConstant (const MachineFrameInfo *) const |
| isConstant - Test whether the memory pointed to by this PseudoSourceValue has a constant value. More... | |
| virtual bool | isAliased (const MachineFrameInfo *) const |
| isAliased - Test whether the memory pointed to by this PseudoSourceValue may also be pointed to by an LLVM IR Value. More... | |
| virtual bool | mayAlias (const MachineFrameInfo *) const |
| mayAlias - Return true if the memory pointed to by this PseudoSourceValue can ever alias an LLVM IR Value. More... | |
Static Public Member Functions | |
| static const PseudoSourceValue * | getFixedStack (int FI) |
| A pseudo source value referencing a fixed stack frame entry, e.g., a spill slot. More... | |
| static const PseudoSourceValue * | getStack () |
| A pseudo source value referencing the area below the stack frame of a function, e.g., the argument space. More... | |
| static const PseudoSourceValue * | getGOT () |
| A pseudo source value referencing the global offset table (or something the like). More... | |
| static const PseudoSourceValue * | getConstantPool () |
| A pseudo source value referencing the constant pool. More... | |
| static const PseudoSourceValue * | getJumpTable () |
| A pseudo source value referencing a jump table. More... | |
Public Attributes | |
| bool | isFixed |
| isFixed - Whether this is a FixedStackPseudoSourceValue. More... | |
Friends | |
| class | MachineMemOperand |
PseudoSourceValue - Special value supplied for machine level alias analysis.
It indicates that a memory access references the functions stack frame (e.g., a spill slot), below the stack frame (e.g., argument space), or constant pool.
Definition at line 30 of file PseudoSourceValue.h.
Definition at line 61 of file PseudoSourceValue.cpp.
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Definition at line 63 of file PseudoSourceValue.cpp.
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A pseudo source value referencing the constant pool.
Since constant pools are constant, this doesn't need to identify a specific constant pool entry.
Definition at line 51 of file PseudoSourceValue.cpp.
Referenced by isAliased(), isConstant(), and mayAlias().
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A pseudo source value referencing a fixed stack frame entry, e.g., a spill slot.
Definition at line 69 of file PseudoSourceValue.cpp.
Referenced by llvm::addFrameReference(), llvm::HexagonInstrInfo::loadRegFromStackSlot(), llvm::AArch64InstrInfo::loadRegFromStackSlot(), llvm::HexagonInstrInfo::storeRegToStackSlot(), and llvm::AArch64InstrInfo::storeRegToStackSlot().
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A pseudo source value referencing the global offset table (or something the like).
Definition at line 47 of file PseudoSourceValue.cpp.
Referenced by isAliased(), isConstant(), and mayAlias().
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A pseudo source value referencing a jump table.
Since jump tables are constant, this doesn't need to identify a specific jump table.
Definition at line 49 of file PseudoSourceValue.cpp.
Referenced by isAliased(), isConstant(), and mayAlias().
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static |
A pseudo source value referencing the area below the stack frame of a function, e.g., the argument space.
Definition at line 45 of file PseudoSourceValue.cpp.
Referenced by isAliased(), and isConstant().
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isAliased - Test whether the memory pointed to by this PseudoSourceValue may also be pointed to by an LLVM IR Value.
Reimplemented in llvm::FixedStackPseudoSourceValue, and llvm::MipsCallEntry.
Definition at line 88 of file PseudoSourceValue.cpp.
References getConstantPool(), getGOT(), getJumpTable(), getStack(), and llvm_unreachable.
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isConstant - Test whether the memory pointed to by this PseudoSourceValue has a constant value.
Reimplemented in llvm::FixedStackPseudoSourceValue, and llvm::MipsCallEntry.
Definition at line 78 of file PseudoSourceValue.cpp.
References getConstantPool(), getGOT(), getJumpTable(), getStack(), and llvm_unreachable.
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virtual |
mayAlias - Return true if the memory pointed to by this PseudoSourceValue can ever alias an LLVM IR Value.
Reimplemented in llvm::FixedStackPseudoSourceValue, and llvm::MipsCallEntry.
Definition at line 97 of file PseudoSourceValue.cpp.
References getConstantPool(), getGOT(), and getJumpTable().
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friend |
Definition at line 32 of file PseudoSourceValue.h.
| bool llvm::PseudoSourceValue::isFixed |
isFixed - Whether this is a FixedStackPseudoSourceValue.
Definition at line 41 of file PseudoSourceValue.h.
Referenced by llvm::FixedStackPseudoSourceValue::classof().
1.8.6