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8d763d25ec
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10916 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===-- llvm/Bytecode/Format.h - VM bytecode file format info ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header defines intrinsic constants that are useful to libraries that
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// need to hack on bytecode files directly, like the reader and writer.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_BYTECODE_FORMAT_H
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#define LLVM_BYTECODE_FORMAT_H
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namespace llvm {
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class BytecodeFormat { // Throw the constants into a poorman's namespace...
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BytecodeFormat(); // do not implement
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public:
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// ID Numbers that are used in bytecode files...
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enum FileBlockIDs {
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// File level identifiers...
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Module = 0x01,
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// Module subtypes:
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Function = 0x11,
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ConstantPool,
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SymbolTable,
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ModuleGlobalInfo,
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GlobalTypePlane,
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// Function subtypes:
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// Can also have ConstantPool block
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// Can also have SymbolTable block
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BasicBlock = 0x31,// May contain many basic blocks (obsolete since LLVM 1.1)
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// InstructionList - The instructions in the body of a function. This
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// superceeds the old BasicBlock node used in LLVM 1.0.
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InstructionList = 0x32,
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// CompactionTable - blocks with this id are used to define local remapping
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// tables for a function, allowing the indices used within the function to
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// be as small as possible. This often allows the instructions to be
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// encoded more efficiently.
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CompactionTable = 0x33,
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};
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};
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} // End llvm namespace
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#endif
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