diff options
Diffstat (limited to 'llvm/include')
| -rw-r--r-- | llvm/include/llvm/Bytecode/Analyzer.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/llvm/include/llvm/Bytecode/Analyzer.h b/llvm/include/llvm/Bytecode/Analyzer.h index b1cd009fef4..b60559cd10c 100644 --- a/llvm/include/llvm/Bytecode/Analyzer.h +++ b/llvm/include/llvm/Bytecode/Analyzer.h @@ -19,6 +19,7 @@ #ifndef LLVM_BYTECODE_ANALYZER_H #define LLVM_BYTECODE_ANALYZER_H +#include "llvm/Bytecode/Format.h" #include <string> #include <map> @@ -33,6 +34,7 @@ struct BytecodeAnalysis { unsigned byteSize; ///< The size of the bytecode file in bytes unsigned numTypes; ///< The number of types unsigned numValues; ///< The number of values + unsigned numBlocks; ///< The number of *bytecode* blocks unsigned numFunctions; ///< The number of functions defined unsigned numConstants; ///< The number of constants unsigned numGlobalVars; ///< The number of global variables @@ -41,29 +43,40 @@ struct BytecodeAnalysis { unsigned numOperands; ///< The number of BBs in all functions unsigned numCmpctnTables; ///< The number of compaction tables unsigned numSymTab; ///< The number of symbol tables + unsigned numAlignment; ///< The number of alignment bytes unsigned maxTypeSlot; ///< The maximum slot number for types unsigned maxValueSlot; ///< The maximum slot number for values - double density; ///< Density of file (bytes/defs) + double fileDensity; ///< Density of file (bytes/definition) + ///< This is the density of the bytecode file. It is the ratio of + ///< the number of bytes to the number of definitions in the file. Smaller + ///< numbers mean the file is more compact (denser). Larger numbers mean + ///< the file is more sparse. + double globalsDensity; ///< density of global defs (bytes/definition) + double functionDensity; ///< Average density of functions (bytes/function) + unsigned vbrCount32; ///< Number of 32-bit vbr values + unsigned vbrCount64; ///< Number of 64-bit vbr values + unsigned vbrCompBytes; ///< Number of vbr bytes (compressed) + unsigned vbrExpdBytes; ///< Number of vbr bytes (expanded) + + typedef std::map<BytecodeFormat::FileBlockIDs,unsigned> BlockSizeMap; + BlockSizeMap BlockSizes; /// A structure that contains various pieces of information related to /// an analysis of a single function. struct BytecodeFunctionInfo { + std::string description; ///< Function type description + std::string name; ///< Name of function if it has one unsigned byteSize; ///< The size of the function in bytecode bytes unsigned numInstructions; ///< The number of instructions in the function unsigned numBasicBlocks; ///< The number of basic blocks in the function unsigned numOperands; ///< The number of operands in the function double density; ///< Density of function double vbrEffectiveness; ///< Effectiveness of variable bit rate encoding. - ///< This is the average number of bytes per unsigned value written in the - ///< vbr encoding. A "perfect" score of 1.0 means all vbr values were - ///< encoded in one byte. A score between 1.0 and 4.0 means that some - ///< savings were achieved. A score of 4.0 means vbr didn't help. A score - ///< greater than 4.0 means vbr negatively impacted size of the file. }; - /// A mapping of function names to the collected information about the - /// function. - std::map<std::string,BytecodeFunctionInfo> FunctionInfo; + /// A mapping of function slot numbers to the collected information about + /// the function. + std::map<unsigned,BytecodeFunctionInfo> FunctionInfo; /// The content of the bytecode dump std::string BytecodeDump; |
