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* Support writing GlobalVariables with info comments by them

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* Print out prototypes correctly in cases that we weren't before
* Use new style casts more
* Support printing new invoke instruction

llvm-svn: 759
This commit is contained in:
Chris Lattner 2001-10-13 06:42:36 +00:00
parent be0be88441
commit ecd7a98aad
1 changed files with 58 additions and 19 deletions
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77
lib/VMCore/AsmWriter.cpp
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@ -19,6 +19,7 @@
#include "llvm/ConstPoolVals.h"
#include "llvm/iOther.h"
#include "llvm/iMemory.h"
#include "llvm/iTerminators.h"
#include "llvm/Support/STLExtras.h"
#include "llvm/SymbolTable.h"
#include <algorithm>
@ -50,6 +51,8 @@ ostream &WriteAsOperand(ostream &Out, const Value *V, bool PrintType,
Table = new SlotCalculator(I->getParent()->getParent(), true);
} else if (const BasicBlock *BB = dyn_cast<const BasicBlock>(V)) {
Table = new SlotCalculator(BB->getParent(), true);
} else if (const GlobalVariable *GV =dyn_cast<const GlobalVariable>(V)){
Table = new SlotCalculator(GV->getParent(), true);
} else if (const Method *Meth = dyn_cast<const Method>(V)) {
Table = new SlotCalculator(Meth, true);
} else if (const Module *Mod = dyn_cast<const Module>(V)) {
@ -95,6 +98,11 @@ private :
void processInstruction(const Instruction *I);
void writeOperand(const Value *Op, bool PrintType, bool PrintName = true);
// printInfoComment - Print a little comment after the instruction indicating
// which slot it occupies.
void printInfoComment(const Value *V);
};
@ -129,6 +137,7 @@ void AssemblyWriter::processGlobal(const GlobalVariable *GV) {
if (GV->hasInitializer())
writeOperand(GV->getInitializer(), false, false);
printInfoComment(GV);
Out << endl;
}
@ -187,12 +196,22 @@ void AssemblyWriter::processMethod(const Method *M) {
Table.incorporateMethod(M);
// Loop over the arguments, processing them...
for_each(M->getArgumentList().begin(), M->getArgumentList().end(),
bind_obj(this, &AssemblyWriter::processMethodArgument));
const MethodType *MT = cast<const MethodType>(M->getMethodType());
if (!M->isExternal()) {
for_each(M->getArgumentList().begin(), M->getArgumentList().end(),
bind_obj(this, &AssemblyWriter::processMethodArgument));
} else {
// Loop over the arguments, processing them...
const MethodType *MT = cast<const MethodType>(M->getMethodType());
for (MethodType::ParamTypes::const_iterator I = MT->getParamTypes().begin(),
E = MT->getParamTypes().end(); I != E; ++I) {
if (I != MT->getParamTypes().begin()) Out << ", ";
Out << *I;
}
}
// Finish printing arguments...
const MethodType *MT = cast<const MethodType>(M->getMethodType());
if (MT->isVarArg()) {
if (MT->getParamTypes().size()) Out << ", ";
Out << "..."; // Output varargs portion of signature!
@ -253,6 +272,23 @@ void AssemblyWriter::processBasicBlock(const BasicBlock *BB) {
bind_obj(this, &AssemblyWriter::processInstruction));
}
// printInfoComment - Print a little comment after the instruction indicating
// which slot it occupies.
//
void AssemblyWriter::printInfoComment(const Value *V) {
if (V->getType() != Type::VoidTy) {
Out << "\t\t; <" << V->getType() << ">";
if (!V->hasName()) {
int Slot = Table.getValSlot(V); // Print out the def slot taken...
if (Slot >= 0) Out << ":" << Slot;
else Out << ":<badref>";
}
Out << "\t[#uses=" << V->use_size() << "]"; // Output # uses
}
}
// processInstruction - This member is called for each Instruction in a methd.
//
void AssemblyWriter::processInstruction(const Instruction *I) {
@ -297,9 +333,9 @@ void AssemblyWriter::processInstruction(const Instruction *I) {
writeOperand(I->getOperand(op ), false); Out << ",";
writeOperand(I->getOperand(op+1), false); Out << " ]";
}
} else if (I->getOpcode() == Instruction::Ret && !Operand) {
} else if (isa<ReturnInst>(I) && !Operand) {
Out << " void";
} else if (I->getOpcode() == Instruction::Call) {
} else if (isa<CallInst>(I)) {
// TODO: Should try to print out short form of the Call instruction
writeOperand(Operand, true);
Out << "(";
@ -310,6 +346,21 @@ void AssemblyWriter::processInstruction(const Instruction *I) {
}
Out << " )";
} else if (const InvokeInst *II = dyn_cast<InvokeInst>(I)) {
// TODO: Should try to print out short form of the Invoke instruction
writeOperand(Operand, true);
Out << "(";
if (I->getNumOperands() > 3) writeOperand(I->getOperand(3), true);
for (unsigned op = 4, Eop = I->getNumOperands(); op < Eop; ++op) {
Out << ",";
writeOperand(I->getOperand(op), true);
}
Out << " )\n\t\t\tto";
writeOperand(II->getNormalDest(), true);
Out << " except";
writeOperand(II->getExceptionalDest(), true);
} else if (I->getOpcode() == Instruction::Malloc ||
I->getOpcode() == Instruction::Alloca) {
Out << " " << cast<const PointerType>(I->getType())->getValueType();
@ -317,7 +368,7 @@ void AssemblyWriter::processInstruction(const Instruction *I) {
Out << ",";
writeOperand(I->getOperand(0), true);
}
} else if (I->getOpcode() == Instruction::Cast) {
} else if (isa<CastInst>(I)) {
writeOperand(Operand, true);
Out << " to " << I->getType();
} else if (Operand) { // Print the normal way...
@ -345,19 +396,7 @@ void AssemblyWriter::processInstruction(const Instruction *I) {
}
}
// Print a little comment after the instruction indicating which slot it
// occupies.
//
if (I->getType() != Type::VoidTy) {
Out << "\t\t; <" << I->getType() << ">";
if (!I->hasName()) {
int Slot = Table.getValSlot(I); // Print out the def slot taken...
if (Slot >= 0) Out << ":" << Slot;
else Out << ":<badref>";
}
Out << "\t[#uses=" << I->use_size() << "]"; // Output # uses
}
printInfoComment(I);
Out << endl;
}