mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
Implement some rudimentary analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14090 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
parent
0545b3e673
commit
649ee57b1d
@ -13,6 +13,7 @@
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//===----------------------------------------------------------------------===//
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#include "AnalyzerInternals.h"
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#include <iostream>
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using namespace llvm;
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@ -20,22 +21,49 @@ using namespace llvm;
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namespace {
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class AnalyzerHandler : public BytecodeHandler {
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BytecodeAnalysis& bca;
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public:
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AnalyzerHandler(BytecodeAnalysis& TheBca)
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: bca(TheBca)
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{
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}
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bool handleError(const std::string& str )
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{
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std::cerr << "Analysis Error: " << str;
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return false;
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}
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void handleStart()
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{
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bca.ModuleId.clear();
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bca.numTypes = 0;
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bca.numValues = 0;
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bca.numFunctions = 0;
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bca.numConstants = 0;
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bca.numGlobalVars = 0;
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bca.numInstructions = 0;
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bca.numBasicBlocks = 0;
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bca.numOperands = 0;
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bca.numCmpctnTables = 0;
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bca.numSymTab = 0;
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bca.maxTypeSlot = 0;
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bca.maxValueSlot = 0;
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bca.density = 0.0;
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bca.FunctionInfo.clear();
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bca.BytecodeDump.clear();
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}
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void handleFinish()
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{
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bca.density = bca.numTypes + bca.numFunctions + bca.numConstants +
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bca.numGlobalVars + bca.numInstructions;
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bca.density /= bca.byteSize;
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}
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void handleModuleBegin(const std::string& id)
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{
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bca.ModuleId = id;
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}
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void handleModuleEnd(const std::string& id)
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@ -60,6 +88,7 @@ public:
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GlobalValue::LinkageTypes ///< The linkage type of the GV
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)
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{
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bca.numGlobalVars++;
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}
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void handleInitializedGV(
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@ -69,16 +98,19 @@ public:
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unsigned initSlot ///< Slot number of GV's initializer
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)
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{
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bca.numGlobalVars++;
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}
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virtual void handleType( const Type* Ty )
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{
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bca.numTypes++;
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}
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void handleFunctionDeclaration(
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const Type* FuncType ///< The type of the function
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)
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{
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bca.numFunctions++;
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}
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void handleModuleGlobalsEnd()
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@ -94,6 +126,7 @@ public:
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unsigned NumEntries
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)
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{
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bca.numCmpctnTables++;
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}
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void handleCompactionTableType(
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@ -118,6 +151,7 @@ public:
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void handleSymbolTableBegin()
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{
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bca.numSymTab++;
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}
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void handleSymbolTablePlane(
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@ -165,6 +199,7 @@ public:
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unsigned blocknum
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)
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{
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bca.numBasicBlocks++;
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}
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bool handleInstruction(
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@ -173,7 +208,8 @@ public:
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std::vector<unsigned>& Operands
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)
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{
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return false;
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bca.numInstructions++;
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return Instruction::isTerminator(Opcode);
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}
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void handleBasicBlockEnd(unsigned blocknum)
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@ -190,31 +226,37 @@ public:
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std::vector<std::pair<const Type*,unsigned> > ArgVec
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)
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{
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bca.numConstants++;
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}
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void handleConstantValue( Constant * c )
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{
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bca.numConstants++;
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}
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void handleConstantArray(
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const ArrayType* AT,
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std::vector<unsigned>& Elements )
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{
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bca.numConstants++;
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}
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void handleConstantStruct(
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const StructType* ST,
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std::vector<unsigned>& ElementSlots)
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{
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bca.numConstants++;
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}
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void handleConstantPointer(
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const PointerType* PT, unsigned Slot)
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{
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bca.numConstants++;
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}
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void handleConstantString( const ConstantArray* CA )
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{
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bca.numConstants++;
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}
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@ -233,10 +275,12 @@ void llvm::BytecodeAnalyzer::AnalyzeBytecode(
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const std::string &ModuleID
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)
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{
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AnalyzerHandler TheHandler;
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bca.byteSize = Length;
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AnalyzerHandler TheHandler(bca);
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AbstractBytecodeParser TheParser(&TheHandler);
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TheParser.ParseBytecode( Buf, Length, ModuleID );
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TheParser.ParseAllFunctionBodies();
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if ( bca.detailedResults )
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TheParser.ParseAllFunctionBodies();
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}
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// vim: sw=2
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@ -13,6 +13,7 @@
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//===----------------------------------------------------------------------===//
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#include "AnalyzerInternals.h"
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#include <iostream>
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using namespace llvm;
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@ -20,22 +21,49 @@ using namespace llvm;
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namespace {
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class AnalyzerHandler : public BytecodeHandler {
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BytecodeAnalysis& bca;
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public:
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AnalyzerHandler(BytecodeAnalysis& TheBca)
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: bca(TheBca)
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{
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}
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bool handleError(const std::string& str )
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{
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std::cerr << "Analysis Error: " << str;
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return false;
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}
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void handleStart()
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{
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bca.ModuleId.clear();
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bca.numTypes = 0;
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bca.numValues = 0;
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bca.numFunctions = 0;
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bca.numConstants = 0;
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bca.numGlobalVars = 0;
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bca.numInstructions = 0;
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bca.numBasicBlocks = 0;
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bca.numOperands = 0;
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bca.numCmpctnTables = 0;
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bca.numSymTab = 0;
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bca.maxTypeSlot = 0;
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bca.maxValueSlot = 0;
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bca.density = 0.0;
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bca.FunctionInfo.clear();
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bca.BytecodeDump.clear();
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}
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void handleFinish()
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{
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bca.density = bca.numTypes + bca.numFunctions + bca.numConstants +
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bca.numGlobalVars + bca.numInstructions;
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bca.density /= bca.byteSize;
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}
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void handleModuleBegin(const std::string& id)
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{
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bca.ModuleId = id;
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}
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void handleModuleEnd(const std::string& id)
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@ -60,6 +88,7 @@ public:
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GlobalValue::LinkageTypes ///< The linkage type of the GV
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)
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{
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bca.numGlobalVars++;
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}
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void handleInitializedGV(
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@ -69,16 +98,19 @@ public:
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unsigned initSlot ///< Slot number of GV's initializer
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)
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{
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bca.numGlobalVars++;
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}
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virtual void handleType( const Type* Ty )
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{
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bca.numTypes++;
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}
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void handleFunctionDeclaration(
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const Type* FuncType ///< The type of the function
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)
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{
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bca.numFunctions++;
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}
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void handleModuleGlobalsEnd()
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@ -94,6 +126,7 @@ public:
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unsigned NumEntries
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)
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{
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bca.numCmpctnTables++;
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}
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void handleCompactionTableType(
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@ -118,6 +151,7 @@ public:
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void handleSymbolTableBegin()
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{
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bca.numSymTab++;
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}
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void handleSymbolTablePlane(
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@ -165,6 +199,7 @@ public:
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unsigned blocknum
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)
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{
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bca.numBasicBlocks++;
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}
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bool handleInstruction(
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@ -173,7 +208,8 @@ public:
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std::vector<unsigned>& Operands
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)
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{
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return false;
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bca.numInstructions++;
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return Instruction::isTerminator(Opcode);
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}
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void handleBasicBlockEnd(unsigned blocknum)
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@ -190,31 +226,37 @@ public:
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std::vector<std::pair<const Type*,unsigned> > ArgVec
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)
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{
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bca.numConstants++;
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}
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void handleConstantValue( Constant * c )
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{
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bca.numConstants++;
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}
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void handleConstantArray(
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const ArrayType* AT,
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std::vector<unsigned>& Elements )
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{
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bca.numConstants++;
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}
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void handleConstantStruct(
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const StructType* ST,
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std::vector<unsigned>& ElementSlots)
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{
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bca.numConstants++;
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}
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void handleConstantPointer(
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const PointerType* PT, unsigned Slot)
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{
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bca.numConstants++;
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}
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void handleConstantString( const ConstantArray* CA )
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{
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bca.numConstants++;
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}
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@ -233,10 +275,12 @@ void llvm::BytecodeAnalyzer::AnalyzeBytecode(
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const std::string &ModuleID
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)
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{
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AnalyzerHandler TheHandler;
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bca.byteSize = Length;
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AnalyzerHandler TheHandler(bca);
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AbstractBytecodeParser TheParser(&TheHandler);
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TheParser.ParseBytecode( Buf, Length, ModuleID );
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TheParser.ParseAllFunctionBodies();
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if ( bca.detailedResults )
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TheParser.ParseAllFunctionBodies();
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}
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// vim: sw=2
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