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getTypeSlot can never fail

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34129 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-10 05:17:48 +00:00
parent a2bdad49c9
commit 972b4dccaf
3 changed files with 26 additions and 62 deletions
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4
lib/Bytecode/Writer/SlotCalculator.cpp
View File

@ -284,10 +284,10 @@ unsigned SlotCalculator::getSlot(const Value *V) const {
return (int)I->second;
}
int SlotCalculator::getTypeSlot(const Type*T) const {
unsigned SlotCalculator::getTypeSlot(const Type*T) const {
std::map<const Type*, unsigned>::const_iterator I = TypeMap.find(T);
assert(I != TypeMap.end() && "Type not in slotcalc!");
return (int)I->second;
return I->second;
}
void SlotCalculator::CreateSlotIfNeeded(const Value *V) {

2
lib/Bytecode/Writer/SlotCalculator.h
View File

@ -66,7 +66,7 @@ public:
/// plane. This returns < 0 on error!
///
unsigned getSlot(const Value *V) const;
int getTypeSlot(const Type* T) const;
unsigned getTypeSlot(const Type* T) const;
inline unsigned getNumPlanes() const { return Table.size(); }
inline unsigned getNumTypes() const { return Types.size(); }

82
lib/Bytecode/Writer/Writer.cpp
View File

@ -214,9 +214,7 @@ void BytecodeWriter::outputType(const Type *T) {
break;
case Type::FunctionTyID: {
const FunctionType *MT = cast<FunctionType>(T);
int Slot = Table.getTypeSlot(MT->getReturnType());
assert(Slot != -1 && "Type used but not available!!");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(MT->getReturnType()));
output_vbr(unsigned(MT->getParamAttrs(0)));
// Output the number of arguments to function (+1 if varargs):
@ -226,9 +224,7 @@ void BytecodeWriter::outputType(const Type *T) {
FunctionType::param_iterator I = MT->param_begin();
unsigned Idx = 1;
for (; I != MT->param_end(); ++I) {
Slot = Table.getTypeSlot(*I);
assert(Slot != -1 && "Type used but not available!!");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(*I));
output_vbr(unsigned(MT->getParamAttrs(Idx)));
Idx++;
}
@ -241,18 +237,14 @@ void BytecodeWriter::outputType(const Type *T) {
case Type::ArrayTyID: {
const ArrayType *AT = cast<ArrayType>(T);
int Slot = Table.getTypeSlot(AT->getElementType());
assert(Slot != -1 && "Type used but not available!!");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(AT->getElementType()));
output_vbr(AT->getNumElements());
break;
}
case Type::PackedTyID: {
const PackedType *PT = cast<PackedType>(T);
int Slot = Table.getTypeSlot(PT->getElementType());
assert(Slot != -1 && "Type used but not available!!");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(PT->getElementType()));
output_vbr(PT->getNumElements());
break;
}
@ -262,9 +254,7 @@ void BytecodeWriter::outputType(const Type *T) {
// Output all of the element types...
for (StructType::element_iterator I = ST->element_begin(),
E = ST->element_end(); I != E; ++I) {
int Slot = Table.getTypeSlot(*I);
assert(Slot != -1 && "Type used but not available!!");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(*I));
}
// Terminate list with VoidTy
@ -272,13 +262,9 @@ void BytecodeWriter::outputType(const Type *T) {
break;
}
case Type::PointerTyID: {
const PointerType *PT = cast<PointerType>(T);
int Slot = Table.getTypeSlot(PT->getElementType());
assert(Slot != -1 && "Type used but not available!!");
output_typeid((unsigned)Slot);
case Type::PointerTyID:
output_typeid(Table.getTypeSlot(cast<PointerType>(T)->getElementType()));
break;
}
case Type::OpaqueTyID:
// No need to emit anything, just the count of opaque types is enough.
@ -306,10 +292,8 @@ void BytecodeWriter::outputConstant(const Constant *CPV) {
output_vbr(CE->getOpcode()); // Put out the CE op code
for (User::const_op_iterator OI = CE->op_begin(); OI != CE->op_end(); ++OI){
unsigned Slot = Table.getSlot(*OI);
output_vbr(Slot);
Slot = Table.getTypeSlot((*OI)->getType());
output_typeid(Slot);
output_vbr(Table.getSlot(*OI));
output_typeid(Table.getTypeSlot((*OI)->getType()));
}
if (CE->isCompare())
output_vbr((unsigned)CE->getPredicate());
@ -408,9 +392,7 @@ void BytecodeWriter::outputConstantStrings() {
// Emit all of the strings.
for (I = Table.string_begin(); I != E; ++I) {
const ConstantArray *Str = *I;
int Slot = Table.getTypeSlot(Str->getType());
assert(Slot != -1 && "Constant string of unknown type?");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(Str->getType()));
// Now that we emitted the type (which indicates the size of the string),
// emit all of the characters.
@ -445,9 +427,7 @@ void BytecodeWriter::outputInstructionFormat0(const Instruction *I,
output_vbr(Table.getSlot(I->getOperand(i)));
if (isa<CastInst>(I) || isa<VAArgInst>(I)) {
int Slot = Table.getTypeSlot(I->getType());
assert(Slot != -1 && "Cast return type unknown?");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(I->getType()));
} else if (isa<CmpInst>(I)) {
output_vbr(unsigned(cast<CmpInst>(I)->getPredicate()));
} else if (isa<InvokeInst>(I)) {
@ -525,12 +505,9 @@ void BytecodeWriter::outputInstrVarArgsCall(const Instruction *I,
for (unsigned i = NumFixedOperands, e = I->getNumOperands(); i != e; ++i) {
// Output Arg Type ID
int Slot = Table.getTypeSlot(I->getOperand(i)->getType());
assert(Slot >= 0 && "No slot number for value!?!?");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(I->getOperand(i)->getType()));
// Output arg ID itself
assert(Slot >= 0 && "No slot number for value!?!?");
output_vbr(Table.getSlot(I->getOperand(i)));
}
@ -650,10 +627,7 @@ void BytecodeWriter::outputInstruction(const Instruction &I) {
break;
}
unsigned Type;
int Slot = Table.getTypeSlot(Ty);
assert(Slot != -1 && "Type not available!!?!");
Type = (unsigned)Slot;
unsigned Type = Table.getTypeSlot(Ty);
// Varargs calls and invokes are encoded entirely different from any other
// instructions.
@ -689,7 +663,6 @@ void BytecodeWriter::outputInstruction(const Instruction &I) {
// Cast has to encode the destination type as the second argument in the
// packet, or else we won't know what type to cast to!
Slots[1] = Table.getTypeSlot(I.getType());
assert(Slots[1] != ~0U && "Cast return type unknown?");
if (Slots[1] > MaxOpSlot) MaxOpSlot = Slots[1];
NumOperands++;
} else if (const AllocationInst *AI = dyn_cast<AllocationInst>(&I)) {
@ -864,10 +837,8 @@ void BytecodeWriter::outputConstantsInPlane(const std::vector<const Value*>
//
output_vbr(NC);
// Put out the Type ID Number...
int Slot = Table.getTypeSlot(Plane.front()->getType());
assert (Slot != -1 && "Type in constant pool but not in function!!");
output_typeid((unsigned)Slot);
// Put out the Type ID Number.
output_typeid(Table.getTypeSlot(Plane.front()->getType()));
for (unsigned i = ValNo; i < ValNo+NC; ++i) {
const Value *V = Plane[i];
@ -939,8 +910,7 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
// Output the types for the global variables in the module...
for (Module::const_global_iterator I = M->global_begin(),
End = M->global_end(); I != End; ++I) {
int Slot = Table.getTypeSlot(I->getType());
assert(Slot != -1 && "Module global vars is broken!");
unsigned Slot = Table.getTypeSlot(I->getType());
assert((I->hasInitializer() || !I->hasInternalLinkage()) &&
"Global must have an initializer or have external linkage!");
@ -954,11 +924,11 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
// If we need to use the extension byte, set linkage=3(internal) and
// initializer = 0 (impossible!).
if (!HasExtensionWord) {
unsigned oSlot = ((unsigned)Slot << 5) | (getEncodedLinkage(I) << 2) |
unsigned oSlot = (Slot << 5) | (getEncodedLinkage(I) << 2) |
(I->hasInitializer() << 1) | (unsigned)I->isConstant();
output_vbr(oSlot);
} else {
unsigned oSlot = ((unsigned)Slot << 5) | (3 << 2) |
unsigned oSlot = (Slot << 5) | (3 << 2) |
(0 << 1) | (unsigned)I->isConstant();
output_vbr(oSlot);
@ -986,13 +956,11 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
if (I->hasInitializer())
output_vbr(Table.getSlot((Value*)I->getInitializer()));
}
output_typeid((unsigned)Table.getTypeSlot(Type::VoidTy));
output_typeid(Table.getTypeSlot(Type::VoidTy));
// Output the types of the functions in this module.
for (Module::const_iterator I = M->begin(), End = M->end(); I != End; ++I) {
int Slot = Table.getTypeSlot(I->getType());
assert(Slot != -1 && "Module slot calculator is broken!");
assert(Slot >= Type::FirstDerivedTyID && "Derived type not in range!");
unsigned Slot = Table.getTypeSlot(I->getType());
assert(((Slot << 6) >> 6) == Slot && "Slot # too big!");
unsigned CC = I->getCallingConv()+1;
unsigned ID = (Slot << 5) | (CC & 15);
@ -1037,7 +1005,7 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
}
}
}
output_vbr((unsigned)Table.getTypeSlot(Type::VoidTy) << 5);
output_vbr(Table.getTypeSlot(Type::VoidTy) << 5);
// Emit the list of dependent libraries for the Module.
Module::lib_iterator LI = M->lib_begin();
@ -1104,7 +1072,7 @@ void BytecodeWriter::outputTypeSymbolTable(const TypeSymbolTable &TST) {
for (TypeSymbolTable::const_iterator TI = TST.begin(), TE = TST.end();
TI != TE; ++TI) {
// Symtab entry:[def slot #][name]
output_typeid((unsigned)Table.getTypeSlot(TI->second));
output_typeid(Table.getTypeSlot(TI->second));
output(TI->first);
}
}
@ -1129,8 +1097,6 @@ void BytecodeWriter::outputValueSymbolTable(const ValueSymbolTable &VST) {
for (PlaneMap::const_iterator PI = Planes.begin(), PE = Planes.end();
PI != PE; ++PI) {
int Slot;
PlaneMapVector::const_iterator I = PI->second.begin();
PlaneMapVector::const_iterator End = PI->second.end();
@ -1140,9 +1106,7 @@ void BytecodeWriter::outputValueSymbolTable(const ValueSymbolTable &VST) {
output_vbr((unsigned)PI->second.size());
// Write the slot number of the type for this plane
Slot = Table.getTypeSlot(PI->first);
assert(Slot != -1 && "Type in symtab, but not in table!");
output_typeid((unsigned)Slot);
output_typeid(Table.getTypeSlot(PI->first));
// Write each of the values in this plane
for (; I != End; ++I) {