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Implemented the bulk of the functionality. Cleaned up the code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14113 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2004-06-10 08:09:13 +00:00
parent 43f38677f5
commit 00c28a7481
13 changed files with 1200 additions and 806 deletions
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87
lib/Bytecode/Analyzer/Analyzer.cpp
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@ -30,13 +30,13 @@ public:
bool handleError(const std::string& str )
{
std::cerr << "Analysis Error: " << str;
return false;
}
void handleStart()
{
bca.ModuleId.clear();
bca.numBlocks = 0;
bca.numTypes = 0;
bca.numValues = 0;
bca.numFunctions = 0;
@ -49,16 +49,38 @@ public:
bca.numSymTab = 0;
bca.maxTypeSlot = 0;
bca.maxValueSlot = 0;
bca.density = 0.0;
bca.numAlignment = 0;
bca.fileDensity = 0.0;
bca.globalsDensity = 0.0;
bca.functionDensity = 0.0;
bca.vbrCount32 = 0;
bca.vbrCount64 = 0;
bca.vbrCompBytes = 0;
bca.vbrExpdBytes = 0;
bca.FunctionInfo.clear();
bca.BytecodeDump.clear();
bca.BlockSizes[BytecodeFormat::Module] = 0;
bca.BlockSizes[BytecodeFormat::Function] = 0;
bca.BlockSizes[BytecodeFormat::ConstantPool] = 0;
bca.BlockSizes[BytecodeFormat::SymbolTable] = 0;
bca.BlockSizes[BytecodeFormat::ModuleGlobalInfo] = 0;
bca.BlockSizes[BytecodeFormat::GlobalTypePlane] = 0;
bca.BlockSizes[BytecodeFormat::BasicBlock] = 0;
bca.BlockSizes[BytecodeFormat::InstructionList] = 0;
bca.BlockSizes[BytecodeFormat::CompactionTable] = 0;
}
void handleFinish()
{
bca.density = bca.numTypes + bca.numFunctions + bca.numConstants +
bca.numGlobalVars + bca.numInstructions;
bca.density /= bca.byteSize;
bca.fileDensity = double(bca.byteSize) / double( bca.numTypes + bca.numValues );
double globalSize = 0.0;
globalSize += double(bca.BlockSizes[BytecodeFormat::ConstantPool]);
globalSize += double(bca.BlockSizes[BytecodeFormat::ModuleGlobalInfo]);
globalSize += double(bca.BlockSizes[BytecodeFormat::GlobalTypePlane]);
bca.globalsDensity = globalSize / double( bca.numTypes + bca.numConstants +
bca.numGlobalVars );
bca.functionDensity = double(bca.BlockSizes[BytecodeFormat::Function]) /
double(bca.numFunctions);
}
void handleModuleBegin(const std::string& id)
@ -78,8 +100,9 @@ public:
{
}
void handleModuleGlobalsBegin()
void handleModuleGlobalsBegin(unsigned size)
{
// bca.globalBytesize += size;
}
void handleGlobalVariable(
@ -89,6 +112,7 @@ public:
)
{
bca.numGlobalVars++;
bca.numValues++;
}
void handleInitializedGV(
@ -99,6 +123,7 @@ public:
)
{
bca.numGlobalVars++;
bca.numValues++;
}
virtual void handleType( const Type* Ty )
@ -111,6 +136,7 @@ public:
)
{
bca.numFunctions++;
bca.numValues++;
}
void handleModuleGlobalsEnd()
@ -200,15 +226,19 @@ public:
)
{
bca.numBasicBlocks++;
bca.numValues++;
}
bool handleInstruction(
unsigned Opcode,
const Type* iType,
std::vector<unsigned>& Operands
std::vector<unsigned>& Operands,
unsigned Size
)
{
bca.numInstructions++;
bca.numValues++;
bca.numOperands += Operands.size();
return Instruction::isTerminator(Opcode);
}
@ -227,43 +257,67 @@ public:
)
{
bca.numConstants++;
bca.numValues++;
}
void handleConstantValue( Constant * c )
{
bca.numConstants++;
bca.numValues++;
}
void handleConstantArray(
const ArrayType* AT,
std::vector<unsigned>& Elements )
const ArrayType* AT,
std::vector<unsigned>& Elements )
{
bca.numConstants++;
bca.numValues++;
}
void handleConstantStruct(
const StructType* ST,
std::vector<unsigned>& ElementSlots)
const StructType* ST,
std::vector<unsigned>& ElementSlots)
{
bca.numConstants++;
bca.numValues++;
}
void handleConstantPointer(
const PointerType* PT, unsigned Slot)
const PointerType* PT, unsigned Slot)
{
bca.numConstants++;
bca.numValues++;
}
void handleConstantString( const ConstantArray* CA )
{
bca.numConstants++;
bca.numValues++;
}
void handleGlobalConstantsEnd()
{
void handleGlobalConstantsEnd() { }
void handleAlignment(unsigned numBytes) {
bca.numAlignment += numBytes;
}
void handleBlock(
unsigned BType, const unsigned char* StartPtr, unsigned Size) {
bca.numBlocks++;
bca.BlockSizes[llvm::BytecodeFormat::FileBlockIDs(BType)] += Size;
}
virtual void handleVBR32(unsigned Size ) {
bca.vbrCount32++;
bca.vbrCompBytes += Size;
bca.vbrExpdBytes += sizeof(uint32_t);
}
virtual void handleVBR64(unsigned Size ) {
bca.vbrCount64++;
bca.vbrCompBytes += Size;
bca.vbrExpdBytes += sizeof(uint64_t);
}
};
}
@ -277,10 +331,9 @@ void llvm::BytecodeAnalyzer::AnalyzeBytecode(
{
bca.byteSize = Length;
AnalyzerHandler TheHandler(bca);
AbstractBytecodeParser TheParser(&TheHandler);
AbstractBytecodeParser TheParser(&TheHandler, true, true, true);
TheParser.ParseBytecode( Buf, Length, ModuleID );
if ( bca.detailedResults )
TheParser.ParseAllFunctionBodies();
TheParser.ParseAllFunctionBodies();
}
// vim: sw=2