O << AlignDirective << NumBits << "\n";
}
+/// emitZeros - Emit a block of zeros.
+///
+void AsmPrinter::emitZeros(uint64_t NumZeros) const {
+ if (NumZeros) {
+ if (ZeroDirective)
+ O << ZeroDirective << NumZeros << "\n";
+ else {
+ for (; NumZeros; --NumZeros)
+ O << Data8bitsDirective << "0\n";
+ }
+ }
+}
+
// Print out the specified constant, without a storage class. Only the
// constants valid in constant expressions can occur here.
void AsmPrinter::emitConstantValueOnly(const Constant *CV) {
- if (CV->isNullValue())
+ if (CV->isNullValue() || isa<UndefValue>(CV))
O << "0";
else if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
assert(CB == ConstantBool::True);
// generate a symbolic expression for the byte address
const Constant *ptrVal = CE->getOperand(0);
std::vector<Value*> idxVec(CE->op_begin()+1, CE->op_end());
- if (unsigned Offset = TD.getIndexedOffset(ptrVal->getType(), idxVec)) {
+ if (uint64_t Offset = TD.getIndexedOffset(ptrVal->getType(), idxVec)) {
O << "(";
emitConstantValueOnly(ptrVal);
O << ") + " << Offset;
O << "\"";
for (unsigned i = 0; i != CVA->getNumOperands(); ++i) {
- unsigned char C = cast<ConstantInt>(CVA->getOperand(i))->getRawValue();
+ unsigned char C =
+ (unsigned char)cast<ConstantInt>(CVA->getOperand(i))->getRawValue();
if (C == '"') {
O << "\\\"";
void AsmPrinter::emitGlobalConstant(const Constant *CV) {
const TargetData &TD = TM.getTargetData();
- if (CV->isNullValue()) {
- O << ZeroDirective << TD.getTypeSize(CV->getType()) << "\n";
+ if (CV->isNullValue() || isa<UndefValue>(CV)) {
+ emitZeros(TD.getTypeSize(CV->getType()));
return;
} else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
if (CVA->isString()) {
} else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
// Print the fields in successive locations. Pad to align if needed!
const StructLayout *cvsLayout = TD.getStructLayout(CVS->getType());
- unsigned sizeSoFar = 0;
+ uint64_t sizeSoFar = 0;
for (unsigned i = 0, e = CVS->getNumOperands(); i != e; ++i) {
const Constant* field = CVS->getOperand(i);
// Check if padding is needed and insert one or more 0s.
- unsigned fieldSize = TD.getTypeSize(field->getType());
- unsigned padSize = ((i == e-1? cvsLayout->StructSize
+ uint64_t fieldSize = TD.getTypeSize(field->getType());
+ uint64_t padSize = ((i == e-1? cvsLayout->StructSize
: cvsLayout->MemberOffsets[i+1])
- cvsLayout->MemberOffsets[i]) - fieldSize;
sizeSoFar += fieldSize + padSize;
emitGlobalConstant(field);
// Insert the field padding unless it's zero bytes...
- if (padSize)
- O << ZeroDirective << padSize << "\n";
+ emitZeros(padSize);
}
assert(sizeSoFar == cvsLayout->StructSize &&
"Layout of constant struct may be incorrect!");
U.FVal = Val;
if (Data64bitsDirective)
- O << Data64bitsDirective << U.UVal << "\n";
+ O << Data64bitsDirective << U.UVal << "\t" << CommentString
+ << " double value: " << Val << "\n";
else if (TD.isBigEndian()) {
O << Data32bitsDirective << unsigned(U.UVal >> 32)
- << "\t" << CommentChar << " double most significant word "
+ << "\t" << CommentString << " double most significant word "
<< Val << "\n";
O << Data32bitsDirective << unsigned(U.UVal)
- << "\t" << CommentChar << " double least significant word "
+ << "\t" << CommentString << " double least significant word "
<< Val << "\n";
} else {
O << Data32bitsDirective << unsigned(U.UVal)
- << "\t" << CommentChar << " double least significant word " << Val
+ << "\t" << CommentString << " double least significant word " << Val
<< "\n";
O << Data32bitsDirective << unsigned(U.UVal >> 32)
- << "\t" << CommentChar << " double most significant word " << Val
+ << "\t" << CommentString << " double most significant word " << Val
<< "\n";
}
return;
float FVal;
int32_t UVal;
} U;
- U.FVal = Val;
+ U.FVal = (float)Val;
- O << Data32bitsDirective << U.UVal << "\t" << CommentChar
+ O << Data32bitsDirective << U.UVal << "\t" << CommentString
<< " float " << Val << "\n";
return;
}
O << Data64bitsDirective << Val << "\n";
else if (TD.isBigEndian()) {
O << Data32bitsDirective << unsigned(Val >> 32)
- << "\t" << CommentChar << " Double-word most significant word "
+ << "\t" << CommentString << " Double-word most significant word "
<< Val << "\n";
O << Data32bitsDirective << unsigned(Val)
- << "\t" << CommentChar << " Double-word least significant word "
+ << "\t" << CommentString << " Double-word least significant word "
<< Val << "\n";
} else {
O << Data32bitsDirective << unsigned(Val)
- << "\t" << CommentChar << " Double-word least significant word "
+ << "\t" << CommentString << " Double-word least significant word "
<< Val << "\n";
O << Data32bitsDirective << unsigned(Val >> 32)
- << "\t" << CommentChar << " Double-word most significant word "
+ << "\t" << CommentString << " Double-word most significant word "
<< Val << "\n";
}
return;
const Type *type = CV->getType();
switch (type->getTypeID()) {
+ case Type::BoolTyID:
case Type::UByteTyID: case Type::SByteTyID:
O << Data8bitsDirective;
break;
case Type::UShortTyID: case Type::ShortTyID:
O << Data16bitsDirective;
break;
- case Type::BoolTyID:
case Type::PointerTyID:
case Type::UIntTyID: case Type::IntTyID:
O << Data32bitsDirective;