[llvm-commits] CVS: llvm/lib/Bytecode/Reader/Analyzer.cpp
LLVM
llvm at cs.uiuc.edu
Tue Jun 29 18:24:01 PDT 2004
Changes in directory llvm/lib/Bytecode/Reader:
Analyzer.cpp updated: 1.6 -> 1.7
---
Log message:
Merge Dumper.cpp and AnalyzerWrappers.cpp into this file. Also, adjust the
dumping facility to produce useful output.
---
Diffs of the changes: (+377 -63)
Index: llvm/lib/Bytecode/Reader/Analyzer.cpp
diff -u llvm/lib/Bytecode/Reader/Analyzer.cpp:1.6 llvm/lib/Bytecode/Reader/Analyzer.cpp:1.7
--- llvm/lib/Bytecode/Reader/Analyzer.cpp:1.6 Fri Jun 11 10:10:38 2004
+++ llvm/lib/Bytecode/Reader/Analyzer.cpp Tue Jun 29 18:23:12 2004
@@ -1,4 +1,4 @@
-//===-- BytecodeHandler.cpp - Parsing Handler -------------------*- C++ -*-===//
+//===-- Analyzer.cpp - Analysis and Dumping of Bytecode 000000---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -7,33 +7,62 @@
//
//===----------------------------------------------------------------------===//
//
-// This header file defines the BytecodeHandler class that gets called by the
-// AbstractBytecodeParser when parsing events occur.
+// This file implements the AnalyzerHandler class and PrintBytecodeAnalysis
+// function which together comprise the basic functionality of the llmv-abcd
+// tool. The AnalyzerHandler collects information about the bytecode file into
+// the BytecodeAnalysis structure. The PrintBytecodeAnalysis function prints
+// out the content of that structure.
+// @see include/llvm/Bytecode/Analysis.h
//
//===----------------------------------------------------------------------===//
-#include "AnalyzerInternals.h"
-#include <iostream>
+#include "Reader.h"
+#include "llvm/Constants.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/Analysis/Verifier.h"
+#include "llvm/Bytecode/Analyzer.h"
+#include "llvm/Bytecode/BytecodeHandler.h"
+#include <iomanip>
+#include <sstream>
using namespace llvm;
-
namespace {
+/// @brief Bytecode reading handler for analyzing bytecode.
class AnalyzerHandler : public BytecodeHandler {
- BytecodeAnalysis& bca;
- BytecodeAnalysis::BytecodeFunctionInfo* currFunc;
+ BytecodeAnalysis& bca; ///< The structure in which data is recorded
+ std::ostringstream dump; ///< A convenience for dumping data.
+ /// @brief Keeps track of current function
+ BytecodeAnalysis::BytecodeFunctionInfo* currFunc;
+ Module* M; ///< Keeps track of current module
+
+/// @name Constructor
+/// @{
public:
+ /// The only way to construct an AnalyzerHandler. All that is needed is a
+ /// reference to the BytecodeAnalysis structure where the output will be
+ /// placed.
AnalyzerHandler(BytecodeAnalysis& TheBca)
: bca(TheBca)
+ , dump()
, currFunc(0)
{ }
- virtual bool handleError(const std::string& str ) {
- return false;
+/// @}
+/// @name BytecodeHandler Implementations
+/// @{
+public:
+ virtual void handleError(const std::string& str ) {
+ dump << "ERROR: " << str << "\n";
+ bca.BytecodeDump = dump.str() ;
}
- virtual void handleStart() {
+ virtual void handleStart( Module* Mod, unsigned theSize ) {
+ M = Mod;
+ dump << "Bytecode {\n";
+ bca.byteSize = theSize;
bca.ModuleId.clear();
bca.numBlocks = 0;
bca.numTypes = 0;
@@ -72,6 +101,9 @@
}
virtual void handleFinish() {
+ dump << "} End Bytecode\n";
+ bca.BytecodeDump = dump.str() ;
+
bca.fileDensity = double(bca.byteSize) / double( bca.numTypes + bca.numValues );
double globalSize = 0.0;
globalSize += double(bca.BlockSizes[BytecodeFormat::ConstantPool]);
@@ -81,83 +113,157 @@
bca.numGlobalVars );
bca.functionDensity = double(bca.BlockSizes[BytecodeFormat::Function]) /
double(bca.numFunctions);
+
+ if ( bca.progressiveVerify ) {
+ try {
+ verifyModule(*M, ThrowExceptionAction);
+ } catch ( std::string& msg ) {
+ bca.VerifyInfo += "Verify at Finish: " + msg + "\n";
+ }
+ }
}
virtual void handleModuleBegin(const std::string& id) {
+ dump << " Module " << id << " {\n";
bca.ModuleId = id;
}
- virtual void handleModuleEnd(const std::string& id) { }
+ virtual void handleModuleEnd(const std::string& id) {
+ dump << " } End Module " << id << "\n";
+ if ( bca.progressiveVerify ) {
+ try {
+ verifyModule(*M, ThrowExceptionAction);
+ } catch ( std::string& msg ) {
+ bca.VerifyInfo += "Verify at EndModule: " + msg + "\n";
+ }
+ }
+ }
virtual void handleVersionInfo(
unsigned char RevisionNum, ///< Byte code revision number
Module::Endianness Endianness, ///< Endianness indicator
Module::PointerSize PointerSize ///< PointerSize indicator
- ) { }
+ ) {
+ dump << " RevisionNum: " << int(RevisionNum)
+ << " Endianness: " << Endianness
+ << " PointerSize: " << PointerSize << "\n";
+ }
- virtual void handleModuleGlobalsBegin(unsigned size) { }
+ virtual void handleModuleGlobalsBegin() {
+ dump << " BLOCK: ModuleGlobalInfo {\n";
+ }
virtual void handleGlobalVariable(
- const Type* ElemType, ///< The type of the global variable
- bool isConstant, ///< Whether the GV is constant or not
- GlobalValue::LinkageTypes ///< The linkage type of the GV
+ const Type* ElemType,
+ bool isConstant,
+ GlobalValue::LinkageTypes Linkage,
+ unsigned SlotNum,
+ unsigned initSlot
) {
bca.numGlobalVars++;
bca.numValues++;
- }
- virtual void handleInitializedGV(
- const Type* ElemType, ///< The type of the global variable
- bool isConstant, ///< Whether the GV is constant or not
- GlobalValue::LinkageTypes,///< The linkage type of the GV
- unsigned initSlot ///< Slot number of GV's initializer
- ) {
- bca.numGlobalVars++;
- bca.numValues++;
+ dump << " GV: "
+ << ( initSlot == 0 ? "Uni" : "I" ) << "nitialized, "
+ << ( isConstant? "Constant, " : "Variable, ")
+ << " Linkage=" << Linkage << " Type="
+ << ElemType->getDescription()
+ << " Slot=" << SlotNum << " InitSlot=" << initSlot
+ << "\n";
}
- virtual void handleType( const Type* Ty ) { bca.numTypes++; }
+ virtual void handleType( const Type* Ty ) {
+ bca.numTypes++;
+ dump << " Type: " << Ty->getDescription() << "\n";
+ }
virtual void handleFunctionDeclaration(
- Function* Func, ///< The function
- const FunctionType* FuncType ///< The type of the function
+ Function* Func ///< The function
) {
bca.numFunctions++;
bca.numValues++;
+ dump << " Function Decl: " << Func->getType()->getDescription() << "\n";
}
- virtual void handleModuleGlobalsEnd() { }
+ virtual void handleGlobalInitializer(GlobalVariable* GV, Constant* CV) {
+ dump << " Initializer: GV=";
+ GV->print(dump);
+ dump << " CV=";
+ CV->print(dump);
+ dump << "\n";
+ }
+
+ virtual void handleModuleGlobalsEnd() {
+ dump << " } END BLOCK: ModuleGlobalInfo\n";
+ if ( bca.progressiveVerify ) {
+ try {
+ verifyModule(*M, ThrowExceptionAction);
+ } catch ( std::string& msg ) {
+ bca.VerifyInfo += "Verify at EndModuleGlobalInfo: " + msg + "\n";
+ }
+ }
+ }
- virtual void handleCompactionTableBegin() { }
+ virtual void handleCompactionTableBegin() {
+ dump << " BLOCK: CompactionTable {\n";
+ }
virtual void handleCompactionTablePlane( unsigned Ty, unsigned NumEntries) {
bca.numCmpctnTables++;
+ dump << " Plane: Ty=" << Ty << " Size=" << NumEntries << "\n";
}
virtual void handleCompactionTableType( unsigned i, unsigned TypSlot,
- const Type* ) {}
+ const Type* Ty ) {
+ dump << " Type: " << i << " Slot:" << TypSlot
+ << " is " << Ty->getDescription() << "\n";
+ }
virtual void handleCompactionTableValue(
unsigned i,
+ unsigned TypSlot,
unsigned ValSlot,
- const Type* ) { }
+ const Type* Ty ) {
+ dump << " Value: " << i << " TypSlot: " << TypSlot
+ << " ValSlot:" << ValSlot << " is " << Ty->getDescription()
+ << "\n";
+ }
- virtual void handleCompactionTableEnd() { }
+ virtual void handleCompactionTableEnd() {
+ dump << " } END BLOCK: CompactionTable\n";
+ }
- virtual void handleSymbolTableBegin() { bca.numSymTab++; }
+ virtual void handleSymbolTableBegin(Function* CF, SymbolTable* ST) {
+ bca.numSymTab++;
+ dump << " BLOCK: SymbolTable {\n";
+ }
- virtual void handleSymbolTablePlane( unsigned Ty, unsigned NumEntries,
- const Type* Typ) { }
+ virtual void handleSymbolTablePlane(unsigned Ty, unsigned NumEntries,
+ const Type* Typ) {
+ dump << " Plane: Ty=" << Ty << " Size=" << NumEntries
+ << " Type: " << Typ->getDescription() << "\n";
+ }
- virtual void handleSymbolTableType( unsigned i, unsigned slot,
- const std::string& name ) { }
+ virtual void handleSymbolTableType(unsigned i, unsigned slot,
+ const std::string& name ) {
+ dump << " Type " << i << " Slot=" << slot
+ << " Name: " << name << "\n";
+ }
- virtual void handleSymbolTableValue( unsigned i, unsigned slot,
- const std::string& name ) { }
+ virtual void handleSymbolTableValue(unsigned i, unsigned slot,
+ const std::string& name ) {
+ dump << " Value " << i << " Slot=" << slot
+ << " Name: " << name << "\n";
+ }
- virtual void handleSymbolTableEnd() { }
+ virtual void handleSymbolTableEnd() {
+ dump << " } END BLOCK: SymbolTable\n";
+ }
- virtual void handleFunctionBegin( Function* Func, unsigned Size) {
+ virtual void handleFunctionBegin(Function* Func, unsigned Size) {
+ dump << "BLOCK: Function {\n";
+ dump << " Linkage: " << Func->getLinkage() << "\n";
+ dump << " Type: " << Func->getType()->getDescription() << "\n";
const FunctionType* FType =
cast<FunctionType>(Func->getType()->getElementType());
currFunc = &bca.FunctionInfo[Func];
@@ -175,21 +281,38 @@
currFunc->vbrCount64 = 0;
currFunc->vbrCompBytes = 0;
currFunc->vbrExpdBytes = 0;
+
}
virtual void handleFunctionEnd( Function* Func) {
+ dump << "} END BLOCK: Function\n";
currFunc->density = double(currFunc->byteSize) /
double(currFunc->numInstructions+currFunc->numBasicBlocks);
+
+ if ( bca.progressiveVerify ) {
+ try {
+ verifyModule(*M, ThrowExceptionAction);
+ } catch ( std::string& msg ) {
+ bca.VerifyInfo += "Verify at EndFunction: " + msg + "\n";
+ }
+ }
}
virtual void handleBasicBlockBegin( unsigned blocknum) {
+ dump << " BLOCK: BasicBlock #" << blocknum << "{\n";
bca.numBasicBlocks++;
bca.numValues++;
if ( currFunc ) currFunc->numBasicBlocks++;
}
virtual bool handleInstruction( unsigned Opcode, const Type* iType,
- std::vector<unsigned>& Operands, unsigned Size) {
+ std::vector<unsigned>& Operands, unsigned Size){
+ dump << " INST: OpCode="
+ << Instruction::getOpcodeName(Opcode) << " Type="
+ << iType->getDescription() << "\n";
+ for ( unsigned i = 0; i < Operands.size(); ++i )
+ dump << " Op#" << i << " Slot=" << Operands[i] << "\n";
+
bca.numInstructions++;
bca.numValues++;
bca.instructionSize += Size;
@@ -204,46 +327,100 @@
return Instruction::isTerminator(Opcode);
}
- virtual void handleBasicBlockEnd(unsigned blocknum) { }
+ virtual void handleBasicBlockEnd(unsigned blocknum) {
+ dump << " } END BLOCK: BasicBlock #" << blocknum << "{\n";
+ }
- virtual void handleGlobalConstantsBegin() { }
+ virtual void handleGlobalConstantsBegin() {
+ dump << " BLOCK: GlobalConstants {\n";
+ }
- virtual void handleConstantExpression( unsigned Opcode, const Type* Typ,
- std::vector<std::pair<const Type*,unsigned> > ArgVec ) {
+ virtual void handleConstantExpression( unsigned Opcode,
+ std::vector<Constant*> ArgVec, Constant* C ) {
+ dump << " EXPR: " << Instruction::getOpcodeName(Opcode) << "\n";
+ for ( unsigned i = 0; i < ArgVec.size(); ++i ) {
+ dump << " Arg#" << i << " "; ArgVec[i]->print(dump); dump << "\n";
+ }
+ dump << " Value=";
+ C->print(dump);
+ dump << "\n";
bca.numConstants++;
bca.numValues++;
}
virtual void handleConstantValue( Constant * c ) {
+ dump << " VALUE: ";
+ c->print(dump);
+ dump << "\n";
bca.numConstants++;
bca.numValues++;
}
virtual void handleConstantArray( const ArrayType* AT,
- std::vector<unsigned>& Elements ) {
+ std::vector<Constant*>& Elements,
+ unsigned TypeSlot,
+ Constant* ArrayVal ) {
+ dump << " ARRAY: " << AT->getDescription()
+ << " TypeSlot=" << TypeSlot << "\n";
+ for ( unsigned i = 0; i < Elements.size(); ++i ) {
+ dump << " #" << i;
+ Elements[i]->print(dump);
+ dump << "\n";
+ }
+ dump << " Value=";
+ ArrayVal->print(dump);
+ dump << "\n";
+
bca.numConstants++;
bca.numValues++;
}
virtual void handleConstantStruct(
const StructType* ST,
- std::vector<unsigned>& ElementSlots)
+ std::vector<Constant*>& Elements,
+ Constant* StructVal)
{
+ dump << " STRUC: " << ST->getDescription() << "\n";
+ for ( unsigned i = 0; i < Elements.size(); ++i ) {
+ dump << " #" << i << " "; Elements[i]->print(dump); dump << "\n";
+ }
+ dump << " Value=";
+ StructVal->print(dump);
+ dump << "\n";
bca.numConstants++;
bca.numValues++;
}
- virtual void handleConstantPointer( const PointerType* PT, unsigned Slot) {
+ virtual void handleConstantPointer( const PointerType* PT,
+ unsigned Slot, GlobalValue* GV, Constant* PtrVal) {
+ dump << " PNTR: " << PT->getDescription()
+ << " Slot=" << Slot << " GlobalValue=";
+ GV->print(dump);
+ dump << "\n Value=";
+ PtrVal->print(dump);
+ dump << "\n";
bca.numConstants++;
bca.numValues++;
}
virtual void handleConstantString( const ConstantArray* CA ) {
+ dump << " STRNG: ";
+ CA->print(dump);
+ dump << "\n";
bca.numConstants++;
bca.numValues++;
}
- virtual void handleGlobalConstantsEnd() { }
+ virtual void handleGlobalConstantsEnd() {
+ dump << " } END BLOCK: GlobalConstants\n";
+ if ( bca.progressiveVerify ) {
+ try {
+ verifyModule(*M, ThrowExceptionAction);
+ } catch ( std::string& msg ) {
+ bca.VerifyInfo += "Verify at EndGlobalConstants: " + msg + "\n";
+ }
+ }
+ }
virtual void handleAlignment(unsigned numBytes) {
bca.numAlignment += numBytes;
@@ -278,20 +455,157 @@
}
};
+
+/// @brief Utility for printing a titled unsigned value with
+/// an aligned colon.
+inline static void print(std::ostream& Out, const char*title,
+ unsigned val, bool nl = true ) {
+ Out << std::setw(30) << std::right << title
+ << std::setw(0) << ": "
+ << std::setw(9) << val << "\n";
+}
+
+/// @brief Utility for printing a titled double value with an
+/// aligned colon
+inline static void print(std::ostream&Out, const char*title,
+ double val ) {
+ Out << std::setw(30) << std::right << title
+ << std::setw(0) << ": "
+ << std::setw(9) << std::setprecision(6) << val << "\n" ;
+}
+
+/// @brief Utility for printing a titled double value with a
+/// percentage and aligned colon.
+inline static void print(std::ostream&Out, const char*title,
+ double top, double bot ) {
+ Out << std::setw(30) << std::right << title
+ << std::setw(0) << ": "
+ << std::setw(9) << std::setprecision(6) << top
+ << " (" << std::left << std::setw(0) << std::setprecision(4)
+ << (top/bot)*100.0 << "%)\n";
}
-void llvm::BytecodeAnalyzer::AnalyzeBytecode(
- const unsigned char *Buf,
- unsigned Length,
- BytecodeAnalysis& bca,
- const std::string &ModuleID
-)
+/// @brief Utility for printing a titled string value with
+/// an aligned colon.
+inline static void print(std::ostream&Out, const char*title,
+ std::string val, bool nl = true) {
+ Out << std::setw(30) << std::right << title
+ << std::setw(0) << ": "
+ << std::left << val << (nl ? "\n" : "");
+}
+
+}
+
+namespace llvm {
+
+/// This function prints the contents of rhe BytecodeAnalysis structure in
+/// a human legible form.
+/// @brief Print BytecodeAnalysis structure to an ostream
+void PrintBytecodeAnalysis(BytecodeAnalysis& bca, std::ostream& Out )
+{
+ print(Out, "Bytecode Analysis Of Module", bca.ModuleId);
+ print(Out, "File Size", bca.byteSize);
+ print(Out, "Bytecode Compression Index",std::string("TBD"));
+ print(Out, "Number Of Bytecode Blocks", bca.numBlocks);
+ print(Out, "Number Of Types", bca.numTypes);
+ print(Out, "Number Of Values", bca.numValues);
+ print(Out, "Number Of Constants", bca.numConstants);
+ print(Out, "Number Of Global Variables", bca.numGlobalVars);
+ print(Out, "Number Of Functions", bca.numFunctions);
+ print(Out, "Number Of Basic Blocks", bca.numBasicBlocks);
+ print(Out, "Number Of Instructions", bca.numInstructions);
+ print(Out, "Number Of Operands", bca.numOperands);
+ print(Out, "Number Of Compaction Tables", bca.numCmpctnTables);
+ print(Out, "Number Of Symbol Tables", bca.numSymTab);
+ print(Out, "Long Instructions", bca.longInstructions);
+ print(Out, "Instruction Size", bca.instructionSize);
+ print(Out, "Average Instruction Size",
+ double(bca.instructionSize)/double(bca.numInstructions));
+ print(Out, "Maximum Type Slot Number", bca.maxTypeSlot);
+ print(Out, "Maximum Value Slot Number", bca.maxValueSlot);
+ print(Out, "Bytes Thrown To Alignment", double(bca.numAlignment),
+ double(bca.byteSize));
+ print(Out, "File Density (bytes/def)", bca.fileDensity);
+ print(Out, "Globals Density (bytes/def)", bca.globalsDensity);
+ print(Out, "Function Density (bytes/func)", bca.functionDensity);
+ print(Out, "Number of VBR 32-bit Integers", bca.vbrCount32);
+ print(Out, "Number of VBR 64-bit Integers", bca.vbrCount64);
+ print(Out, "Number of VBR Compressed Bytes", bca.vbrCompBytes);
+ print(Out, "Number of VBR Expanded Bytes", bca.vbrExpdBytes);
+ print(Out, "VBR Savings",
+ double(bca.vbrExpdBytes)-double(bca.vbrCompBytes),
+ double(bca.byteSize));
+
+ if ( bca.detailedResults ) {
+ print(Out, "Module Bytes",
+ double(bca.BlockSizes[BytecodeFormat::Module]),
+ double(bca.byteSize));
+ print(Out, "Function Bytes",
+ double(bca.BlockSizes[BytecodeFormat::Function]),
+ double(bca.byteSize));
+ print(Out, "Constant Pool Bytes",
+ double(bca.BlockSizes[BytecodeFormat::ConstantPool]),
+ double(bca.byteSize));
+ print(Out, "Symbol Table Bytes",
+ double(bca.BlockSizes[BytecodeFormat::SymbolTable]),
+ double(bca.byteSize));
+ print(Out, "Module Global Info Bytes",
+ double(bca.BlockSizes[BytecodeFormat::ModuleGlobalInfo]),
+ double(bca.byteSize));
+ print(Out, "Global Type Plane Bytes",
+ double(bca.BlockSizes[BytecodeFormat::GlobalTypePlane]),
+ double(bca.byteSize));
+ print(Out, "Basic Block Bytes",
+ double(bca.BlockSizes[BytecodeFormat::BasicBlock]),
+ double(bca.byteSize));
+ print(Out, "Instruction List Bytes",
+ double(bca.BlockSizes[BytecodeFormat::InstructionList]),
+ double(bca.byteSize));
+ print(Out, "Compaction Table Bytes",
+ double(bca.BlockSizes[BytecodeFormat::CompactionTable]),
+ double(bca.byteSize));
+
+ std::map<const Function*,BytecodeAnalysis::BytecodeFunctionInfo>::iterator I =
+ bca.FunctionInfo.begin();
+ std::map<const Function*,BytecodeAnalysis::BytecodeFunctionInfo>::iterator E =
+ bca.FunctionInfo.end();
+
+ while ( I != E ) {
+ Out << std::left << std::setw(0);
+ Out << "Function: " << I->second.name << "\n";
+ print(Out, "Type:", I->second.description);
+ print(Out, "Byte Size", I->second.byteSize);
+ print(Out, "Instructions", I->second.numInstructions);
+ print(Out, "Long Instructions", I->second.longInstructions);
+ print(Out, "Instruction Size", I->second.instructionSize);
+ print(Out, "Average Instruction Size",
+ double(I->second.instructionSize)/double(I->second.numInstructions));
+ print(Out, "Basic Blocks", I->second.numBasicBlocks);
+ print(Out, "Operand", I->second.numOperands);
+ print(Out, "Function Density", I->second.density);
+ print(Out, "Number of VBR 32-bit Integers", I->second.vbrCount32);
+ print(Out, "Number of VBR 64-bit Integers", I->second.vbrCount64);
+ print(Out, "Number of VBR Compressed Bytes", I->second.vbrCompBytes);
+ print(Out, "Number of VBR Expanded Bytes", I->second.vbrExpdBytes);
+ print(Out, "VBR Savings",
+ double(I->second.vbrExpdBytes)-double(I->second.vbrCompBytes),
+ double(I->second.byteSize));
+ ++I;
+ }
+ }
+
+ if ( bca.dumpBytecode )
+ Out << bca.BytecodeDump;
+
+ if ( bca.progressiveVerify )
+ Out << bca.VerifyInfo;
+}
+
+BytecodeHandler* createBytecodeAnalyzerHandler(BytecodeAnalysis& bca)
{
- bca.byteSize = Length;
- AnalyzerHandler TheHandler(bca);
- AbstractBytecodeParser TheParser(&TheHandler, true, true, true);
- TheParser.ParseBytecode( Buf, Length, ModuleID );
- TheParser.ParseAllFunctionBodies();
+ return new AnalyzerHandler(bca);
+}
+
}
// vim: sw=2
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