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Diffstat (limited to 'include/llvm/CodeGen/PseudoSourceValue.h')
-rw-r--r-- | include/llvm/CodeGen/PseudoSourceValue.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/PseudoSourceValue.h b/include/llvm/CodeGen/PseudoSourceValue.h index e69de29bb2..3eaf475a57 100644 --- a/include/llvm/CodeGen/PseudoSourceValue.h +++ b/include/llvm/CodeGen/PseudoSourceValue.h @@ -0,0 +1,58 @@ +//===-- llvm/CodeGen/PseudoSourceValue.h ------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains the declaration of the PseudoSourceValue class. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CODEGEN_PSEUDOSOURCEVALUE_H +#define LLVM_CODEGEN_PSEUDOSOURCEVALUE_H + +#include "llvm/Value.h" + +namespace llvm { + /// PseudoSourceValue - Special value supplied for machine level alias + /// analysis. It indicates that the a memory access references the functions + /// stack frame (e.g., a spill slot), below the stack frame (e.g., argument + /// space), or constant pool. + class PseudoSourceValue : public Value { + public: + PseudoSourceValue(); + + virtual void print(std::ostream &OS) const; + + /// classof - Methods for support type inquiry through isa, cast, and + /// dyn_cast: + /// + static inline bool classof(const PseudoSourceValue *) { return true; } + static inline bool classof(const Value *V) { + return V->getValueID() == PseudoSourceValueVal; + } + + /// A pseudo source value referencing to the stack frame of a function, + /// e.g., a spill slot. + static const PseudoSourceValue &getFixedStack(); + + /// A source value referencing the area below the stack frame of a function, + /// e.g., the argument space. + static const PseudoSourceValue &getStack(); + + /// A source value referencing the global offset table (or something the + /// like). + static const PseudoSourceValue &getGOT(); + + /// A SV referencing the constant pool + static const PseudoSourceValue &getConstantPool(); + + /// A SV referencing the jump table + static const PseudoSourceValue &getJumpTable(); + }; +} // End llvm namespace + +#endif |