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* Assembly writer is not a module analyzer anymore

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* There is no constant pool anymore


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@447 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2001-09-07 16:36:04 +00:00
parent 30c8979bcb
commit 007377f381
1 changed files with 82 additions and 61 deletions
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143
lib/VMCore/AsmWriter.cpp
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@ -18,6 +18,9 @@
#include "llvm/ConstPoolVals.h"
#include "llvm/iOther.h"
#include "llvm/iMemory.h"
#include "llvm/Support/STLExtras.h"
#include "llvm/SymbolTable.h"
#include <algorithm>
void DebugValue(const Value *V) {
cerr << V << endl;
@ -32,7 +35,7 @@ ostream &WriteAsOperand(ostream &Out, const Value *V, bool PrintType,
if (PrintType)
Out << " " << V->getType();
if (V->hasName() && PrintName) {
if (PrintName && V->hasName()) {
Out << " %" << V->getName();
} else {
if (const ConstPoolVal *CPV = V->castConstant()) {
@ -70,7 +73,7 @@ ostream &WriteAsOperand(ostream &Out, const Value *V, bool PrintType,
class AssemblyWriter : public ModuleAnalyzer {
class AssemblyWriter {
ostream &Out;
SlotCalculator &Table;
public:
@ -83,58 +86,62 @@ public:
inline void write(const Instruction *I) { processInstruction(I); }
inline void write(const ConstPoolVal *CPV) { processConstant(CPV); }
protected:
virtual bool visitMethod(const Method *M);
virtual bool processConstPool(const ConstantPool &CP, bool isMethod);
virtual bool processConstant(const ConstPoolVal *CPV);
virtual bool processMethod(const Method *M);
virtual bool processMethodArgument(const MethodArgument *MA);
virtual bool processBasicBlock(const BasicBlock *BB);
virtual bool processInstruction(const Instruction *I);
private :
void processModule(const Module *M);
void processSymbolTable(const SymbolTable &ST);
void processConstant(const ConstPoolVal *CPV);
void processMethod(const Method *M);
void processMethodArgument(const MethodArgument *MA);
void processBasicBlock(const BasicBlock *BB);
void processInstruction(const Instruction *I);
void writeOperand(const Value *Op, bool PrintType, bool PrintName = true);
};
// visitMethod - This member is called after the above two steps, visting each
// method, because they are effectively values that go into the constant pool.
//
bool AssemblyWriter::visitMethod(const Method *M) {
return false;
void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType,
bool PrintName) {
WriteAsOperand(Out, Operand, PrintType, PrintName, &Table);
}
bool AssemblyWriter::processConstPool(const ConstantPool &CP, bool isMethod) {
// Done printing arguments...
if (isMethod) {
const MethodType *MT = CP.getParentV()->castMethodAsserting()->getType()->
isMethodType();
if (MT->isVarArg()) {
if (MT->getParamTypes().size())
Out << ", ";
Out << "..."; // Output varargs portion of signature!
}
Out << ")\n";
}
ModuleAnalyzer::processConstPool(CP, isMethod);
if (isMethod) {
if (!CP.getParentV()->castMethodAsserting()->isExternal())
Out << "begin";
} else {
Out << "implementation\n";
void AssemblyWriter::processModule(const Module *M) {
// Loop over the symbol table, emitting all named constants...
if (M->hasSymbolTable())
processSymbolTable(*M->getSymbolTable());
Out << "implementation\n";
// Output all of the methods...
for_each(M->begin(), M->end(), bind_obj(this,&AssemblyWriter::processMethod));
}
// processSymbolTable - Run through symbol table looking for named constants
// if a named constant is found, emit it's declaration...
//
void AssemblyWriter::processSymbolTable(const SymbolTable &ST) {
for (SymbolTable::const_iterator TI = ST.begin(); TI != ST.end(); ++TI) {
SymbolTable::type_const_iterator I = ST.type_begin(TI->first);
SymbolTable::type_const_iterator End = ST.type_end(TI->first);
for (; I != End; ++I) {
const Value *V = I->second;
if (const ConstPoolVal *CPV = V->castConstant()) {
processConstant(CPV);
} else if (const Type *Ty = V->castType()) {
Out << "\t%" << I->first << " = type " << Ty->getDescription() << endl;
}
}
}
return false;
}
// processConstant - Print out a constant pool entry...
//
bool AssemblyWriter::processConstant(const ConstPoolVal *CPV) {
if (!CPV->hasName())
return false; // Don't print out unnamed constants, they will be inlined
void AssemblyWriter::processConstant(const ConstPoolVal *CPV) {
// Don't print out unnamed constants, they will be inlined
if (!CPV->hasName()) return;
// Print out name...
Out << "\t%" << CPV->getName() << " = ";
@ -153,27 +160,50 @@ bool AssemblyWriter::processConstant(const ConstPoolVal *CPV) {
}
Out << endl;
return false;
}
// processMethod - Process all aspects of a method.
//
bool AssemblyWriter::processMethod(const Method *M) {
void AssemblyWriter::processMethod(const Method *M) {
// Print out the return type and name...
Out << "\n" << (M->isExternal() ? "declare " : "")
<< M->getReturnType() << " \"" << M->getName() << "\"(";
Table.incorporateMethod(M);
ModuleAnalyzer::processMethod(M);
Table.purgeMethod();
if (!M->isExternal())
// Loop over the arguments, processing them...
for_each(M->getArgumentList().begin(), M->getArgumentList().end(),
bind_obj(this, &AssemblyWriter::processMethodArgument));
// Finish printing arguments...
const MethodType *MT = (const MethodType*)M->getType();
if (MT->isVarArg()) {
if (MT->getParamTypes().size()) Out << ", ";
Out << "..."; // Output varargs portion of signature!
}
Out << ")\n";
if (!M->isExternal()) {
// Loop over the symbol table, emitting all named constants...
if (M->hasSymbolTable())
processSymbolTable(*M->getSymbolTable());
Out << "begin";
// Output all of its basic blocks... for the method
for_each(M->begin(), M->end(),
bind_obj(this, &AssemblyWriter::processBasicBlock));
Out << "end\n";
return false;
}
Table.purgeMethod();
}
// processMethodArgument - This member is called for every argument that
// is passed into the method. Simply print it out
//
bool AssemblyWriter::processMethodArgument(const MethodArgument *Arg) {
void AssemblyWriter::processMethodArgument(const MethodArgument *Arg) {
// Insert commas as we go... the first arg doesn't get a comma
if (Arg != Arg->getParent()->getArgumentList().front()) Out << ", ";
@ -185,13 +215,11 @@ bool AssemblyWriter::processMethodArgument(const MethodArgument *Arg) {
Out << " %" << Arg->getName();
else if (Table.getValSlot(Arg) < 0)
Out << "<badref>";
return false;
}
// processBasicBlock - This member is called for each basic block in a methd.
//
bool AssemblyWriter::processBasicBlock(const BasicBlock *BB) {
void AssemblyWriter::processBasicBlock(const BasicBlock *BB) {
if (BB->hasName()) { // Print out the label if it exists...
Out << "\n" << BB->getName() << ":";
} else {
@ -204,13 +232,14 @@ bool AssemblyWriter::processBasicBlock(const BasicBlock *BB) {
}
Out << "\t\t\t\t\t;[#uses=" << BB->use_size() << "]\n"; // Output # uses
ModuleAnalyzer::processBasicBlock(BB);
return false;
// Output all of the instructions in the basic block...
for_each(BB->begin(), BB->end(),
bind_obj(this, &AssemblyWriter::processInstruction));
}
// processInstruction - This member is called for each Instruction in a methd.
//
bool AssemblyWriter::processInstruction(const Instruction *I) {
void AssemblyWriter::processInstruction(const Instruction *I) {
Out << "\t";
// Print out name if it exists...
@ -313,14 +342,6 @@ bool AssemblyWriter::processInstruction(const Instruction *I) {
Out << "\t[#uses=" << I->use_size() << "]"; // Output # uses
}
Out << endl;
return false;
}
void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType,
bool PrintName) {
WriteAsOperand(Out, Operand, PrintType, PrintName, &Table);
}