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f38dc192dd
memory reference information in the backend. Most of this was written by Florian Brander, cleanup and updating to TOT by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46556 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
//===-- llvm/CodeGen/PseudoSourceValue.h ------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declaration of the PseudoSourceValue class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_PSEUDOSOURCEVALUE_H
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#define LLVM_CODEGEN_PSEUDOSOURCEVALUE_H
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#include "llvm/Value.h"
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namespace llvm {
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/// PseudoSourceValue - Special value supplied for machine level alias
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/// analysis. It indicates that the a memory access references the functions
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/// stack frame (e.g., a spill slot), below the stack frame (e.g., argument
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/// space), or constant pool.
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class PseudoSourceValue : public Value {
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const char *name;
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public:
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explicit PseudoSourceValue(const char *_name);
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virtual void print(std::ostream &OS) const;
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/// classof - Methods for support type inquiry through isa, cast, and
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/// dyn_cast:
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///
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static inline bool classof(const PseudoSourceValue *) { return true; }
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static inline bool classof(const Value *V) {
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return V->getValueID() == PseudoSourceValueVal;
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}
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/// A pseudo source value referencing to the stack frame of a function,
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/// e.g., a spill slot.
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static const PseudoSourceValue FPRel;
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/// A source value referencing the area below the stack frame of a function,
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/// e.g., the argument space.
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static const PseudoSourceValue SPRel;
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/// A source value referencing the global offset table (or something the
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/// like).
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static const PseudoSourceValue GPRel;
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/// A source value relative to some kind of thread id/pointer.
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static const PseudoSourceValue TPRel;
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/// A SV referencing the constant pool
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static const PseudoSourceValue CPRel;
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/// A SV referencing the jump table
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static const PseudoSourceValue JTRel;
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};
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} // End llvm namespace
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#endif
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