RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-12-23 12:08:25 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Implement some rudimentary analysis.

Browse Source 
llvm-svn: 14090
This commit is contained in:
Reid Spencer 2004-06-09 06:16:43 +00:00
parent 49f1f6f4c4
commit ca3bcbc07b
2 changed files with 94 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
lib/Bytecode/Analyzer/Analyzer.cpp
View File

@ -13,6 +13,7 @@
//===----------------------------------------------------------------------===//
#include "AnalyzerInternals.h"
#include <iostream>
using namespace llvm;
@ -20,22 +21,49 @@ using namespace llvm;
namespace {
class AnalyzerHandler : public BytecodeHandler {
BytecodeAnalysis& bca;
public:
AnalyzerHandler(BytecodeAnalysis& TheBca)
: bca(TheBca)
{
}
bool handleError(const std::string& str )
{
std::cerr << "Analysis Error: " << str;
return false;
}
void handleStart()
{
bca.ModuleId.clear();
bca.numTypes = 0;
bca.numValues = 0;
bca.numFunctions = 0;
bca.numConstants = 0;
bca.numGlobalVars = 0;
bca.numInstructions = 0;
bca.numBasicBlocks = 0;
bca.numOperands = 0;
bca.numCmpctnTables = 0;
bca.numSymTab = 0;
bca.maxTypeSlot = 0;
bca.maxValueSlot = 0;
bca.density = 0.0;
bca.FunctionInfo.clear();
bca.BytecodeDump.clear();
}
void handleFinish()
{
bca.density = bca.numTypes + bca.numFunctions + bca.numConstants +
bca.numGlobalVars + bca.numInstructions;
bca.density /= bca.byteSize;
}
void handleModuleBegin(const std::string& id)
{
bca.ModuleId = id;
}
void handleModuleEnd(const std::string& id)
@ -60,6 +88,7 @@ public:
GlobalValue::LinkageTypes ///< The linkage type of the GV
)
{
bca.numGlobalVars++;
}
void handleInitializedGV(
@ -69,16 +98,19 @@ public:
unsigned initSlot ///< Slot number of GV's initializer
)
{
bca.numGlobalVars++;
}
virtual void handleType( const Type* Ty )
{
bca.numTypes++;
}
void handleFunctionDeclaration(
const Type* FuncType ///< The type of the function
)
{
bca.numFunctions++;
}
void handleModuleGlobalsEnd()
@ -94,6 +126,7 @@ public:
unsigned NumEntries
)
{
bca.numCmpctnTables++;
}
void handleCompactionTableType(
@ -118,6 +151,7 @@ public:
void handleSymbolTableBegin()
{
bca.numSymTab++;
}
void handleSymbolTablePlane(
@ -165,6 +199,7 @@ public:
unsigned blocknum
)
{
bca.numBasicBlocks++;
}
bool handleInstruction(
@ -173,7 +208,8 @@ public:
std::vector<unsigned>& Operands
)
{
return false;
bca.numInstructions++;
return Instruction::isTerminator(Opcode);
}
void handleBasicBlockEnd(unsigned blocknum)
@ -190,31 +226,37 @@ public:
std::vector<std::pair<const Type*,unsigned> > ArgVec
)
{
bca.numConstants++;
}
void handleConstantValue( Constant * c )
{
bca.numConstants++;
}
void handleConstantArray(
const ArrayType* AT,
std::vector<unsigned>& Elements )
{
bca.numConstants++;
}
void handleConstantStruct(
const StructType* ST,
std::vector<unsigned>& ElementSlots)
{
bca.numConstants++;
}
void handleConstantPointer(
const PointerType* PT, unsigned Slot)
{
bca.numConstants++;
}
void handleConstantString( const ConstantArray* CA )
{
bca.numConstants++;
}
@ -233,10 +275,12 @@ void llvm::BytecodeAnalyzer::AnalyzeBytecode(
const std::string &ModuleID
)
{
AnalyzerHandler TheHandler;
bca.byteSize = Length;
AnalyzerHandler TheHandler(bca);
AbstractBytecodeParser TheParser(&TheHandler);
TheParser.ParseBytecode( Buf, Length, ModuleID );
TheParser.ParseAllFunctionBodies();
if ( bca.detailedResults )
TheParser.ParseAllFunctionBodies();
}
// vim: sw=2

50
lib/Bytecode/Reader/Analyzer.cpp
View File

@ -13,6 +13,7 @@
//===----------------------------------------------------------------------===//
#include "AnalyzerInternals.h"
#include <iostream>
using namespace llvm;
@ -20,22 +21,49 @@ using namespace llvm;
namespace {
class AnalyzerHandler : public BytecodeHandler {
BytecodeAnalysis& bca;
public:
AnalyzerHandler(BytecodeAnalysis& TheBca)
: bca(TheBca)
{
}
bool handleError(const std::string& str )
{
std::cerr << "Analysis Error: " << str;
return false;
}
void handleStart()
{
bca.ModuleId.clear();
bca.numTypes = 0;
bca.numValues = 0;
bca.numFunctions = 0;
bca.numConstants = 0;
bca.numGlobalVars = 0;
bca.numInstructions = 0;
bca.numBasicBlocks = 0;
bca.numOperands = 0;
bca.numCmpctnTables = 0;
bca.numSymTab = 0;
bca.maxTypeSlot = 0;
bca.maxValueSlot = 0;
bca.density = 0.0;
bca.FunctionInfo.clear();
bca.BytecodeDump.clear();
}
void handleFinish()
{
bca.density = bca.numTypes + bca.numFunctions + bca.numConstants +
bca.numGlobalVars + bca.numInstructions;
bca.density /= bca.byteSize;
}
void handleModuleBegin(const std::string& id)
{
bca.ModuleId = id;
}
void handleModuleEnd(const std::string& id)
@ -60,6 +88,7 @@ public:
GlobalValue::LinkageTypes ///< The linkage type of the GV
)
{
bca.numGlobalVars++;
}
void handleInitializedGV(
@ -69,16 +98,19 @@ public:
unsigned initSlot ///< Slot number of GV's initializer
)
{
bca.numGlobalVars++;
}
virtual void handleType( const Type* Ty )
{
bca.numTypes++;
}
void handleFunctionDeclaration(
const Type* FuncType ///< The type of the function
)
{
bca.numFunctions++;
}
void handleModuleGlobalsEnd()
@ -94,6 +126,7 @@ public:
unsigned NumEntries
)
{
bca.numCmpctnTables++;
}
void handleCompactionTableType(
@ -118,6 +151,7 @@ public:
void handleSymbolTableBegin()
{
bca.numSymTab++;
}
void handleSymbolTablePlane(
@ -165,6 +199,7 @@ public:
unsigned blocknum
)
{
bca.numBasicBlocks++;
}
bool handleInstruction(
@ -173,7 +208,8 @@ public:
std::vector<unsigned>& Operands
)
{
return false;
bca.numInstructions++;
return Instruction::isTerminator(Opcode);
}
void handleBasicBlockEnd(unsigned blocknum)
@ -190,31 +226,37 @@ public:
std::vector<std::pair<const Type*,unsigned> > ArgVec
)
{
bca.numConstants++;
}
void handleConstantValue( Constant * c )
{
bca.numConstants++;
}
void handleConstantArray(
const ArrayType* AT,
std::vector<unsigned>& Elements )
{
bca.numConstants++;
}
void handleConstantStruct(
const StructType* ST,
std::vector<unsigned>& ElementSlots)
{
bca.numConstants++;
}
void handleConstantPointer(
const PointerType* PT, unsigned Slot)
{
bca.numConstants++;
}
void handleConstantString( const ConstantArray* CA )
{
bca.numConstants++;
}
@ -233,10 +275,12 @@ void llvm::BytecodeAnalyzer::AnalyzeBytecode(
const std::string &ModuleID
)
{
AnalyzerHandler TheHandler;
bca.byteSize = Length;
AnalyzerHandler TheHandler(bca);
AbstractBytecodeParser TheParser(&TheHandler);
TheParser.ParseBytecode( Buf, Length, ModuleID );
TheParser.ParseAllFunctionBodies();
if ( bca.detailedResults )
TheParser.ParseAllFunctionBodies();
}
// vim: sw=2