#include "llvm/Constants.h"
#include "llvm/Instruction.h"
#include "llvm/Support/Mangler.h"
+#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
if (((CI->getValue() << 32) >> 32) == CI->getValue())
O << CI->getValue();
else
- O << (unsigned long long)CI->getValue();
+ O << (uint64_t)CI->getValue();
else if (const ConstantUInt *CI = dyn_cast<ConstantUInt>(CV))
O << CI->getValue();
- else if (isa<GlobalValue>((Value*)CV))
- // This is a constant address for a global variable or function. Use the
- // name of the variable or function as the address value.
- O << Mang->getValueName(CV);
- else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
+ else if (isa<GlobalValue>((Value*)CV)) {
+ // This is a constant address for a global variable or function. Use the
+ // name of the variable or function as the address value, possibly
+ // decorating it with GlobalVarAddrPrefix/Suffix or
+ // FunctionAddrPrefix/Suffix (these all default to "" )
+ if (isa<Function>((Value*)CV))
+ O << FunctionAddrPrefix << Mang->getValueName(CV) << FunctionAddrSuffix;
+ else
+ O << GlobalVarAddrPrefix << Mang->getValueName(CV) << GlobalVarAddrSuffix;
+ } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
const TargetData &TD = TM.getTargetData();
switch(CE->getOpcode()) {
case Instruction::GetElementPtr: {
// 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 (uint64_t Offset = TD.getIndexedOffset(ptrVal->getType(), idxVec)) {
- O << "(";
+ if (int64_t Offset = TD.getIndexedOffset(ptrVal->getType(), idxVec)) {
+ if (Offset)
+ O << "(";
emitConstantValueOnly(ptrVal);
- O << ") + " << Offset;
+ if (Offset > 0)
+ O << ") + " << Offset;
+ else if (Offset < 0)
+ O << ") - " << -Offset;
} else {
emitConstantValueOnly(ptrVal);
}
O << "\"";
for (unsigned i = 0; i != CVA->getNumOperands(); ++i) {
- unsigned char C =
+ unsigned char C =
(unsigned char)cast<ConstantInt>(CVA->getOperand(i))->getRawValue();
if (C == '"') {
/// emitGlobalConstant - Print a general LLVM constant to the .s file.
///
-void AsmPrinter::emitGlobalConstant(const Constant *CV) {
+void AsmPrinter::emitGlobalConstant(const Constant *CV) {
const TargetData &TD = TM.getTargetData();
if (CV->isNullValue() || isa<UndefValue>(CV)) {
// precision...
double Val = CFP->getValue();
if (CFP->getType() == Type::DoubleTy) {
- union DU { // Abide by C TBAA rules
- double FVal;
- uint64_t UVal;
- } U;
- U.FVal = Val;
-
if (Data64bitsDirective)
- O << Data64bitsDirective << U.UVal << "\t" << CommentString
+ O << Data64bitsDirective << DoubleToBits(Val) << "\t" << CommentString
<< " double value: " << Val << "\n";
else if (TD.isBigEndian()) {
- O << Data32bitsDirective << unsigned(U.UVal >> 32)
+ O << Data32bitsDirective << unsigned(DoubleToBits(Val) >> 32)
<< "\t" << CommentString << " double most significant word "
<< Val << "\n";
- O << Data32bitsDirective << unsigned(U.UVal)
+ O << Data32bitsDirective << unsigned(DoubleToBits(Val))
<< "\t" << CommentString << " double least significant word "
<< Val << "\n";
} else {
- O << Data32bitsDirective << unsigned(U.UVal)
+ O << Data32bitsDirective << unsigned(DoubleToBits(Val))
<< "\t" << CommentString << " double least significant word " << Val
<< "\n";
- O << Data32bitsDirective << unsigned(U.UVal >> 32)
+ O << Data32bitsDirective << unsigned(DoubleToBits(Val) >> 32)
<< "\t" << CommentString << " double most significant word " << Val
<< "\n";
}
return;
} else {
- union FU { // Abide by C TBAA rules
- float FVal;
- int32_t UVal;
- } U;
- U.FVal = (float)Val;
-
- O << Data32bitsDirective << U.UVal << "\t" << CommentString
+ O << Data32bitsDirective << FloatToBits(Val) << "\t" << CommentString
<< " float " << Val << "\n";
return;
}
} else if (CV->getType() == Type::ULongTy || CV->getType() == Type::LongTy) {
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
uint64_t Val = CI->getRawValue();
-
+
if (Data64bitsDirective)
O << Data64bitsDirective << Val << "\n";
else if (TD.isBigEndian()) {
const Type *type = CV->getType();
switch (type->getTypeID()) {
- case Type::BoolTyID:
+ case Type::BoolTyID:
case Type::UByteTyID: case Type::SByteTyID:
O << Data8bitsDirective;
break;
case Type::UIntTyID: case Type::IntTyID:
O << Data32bitsDirective;
break;
- case Type::ULongTyID: case Type::LongTyID:
- assert (0 && "Should have already output double-word constant.");
+ case Type::ULongTyID: case Type::LongTyID:
+ assert(Data64bitsDirective &&"Target cannot handle 64-bit constant exprs!");
+ O << Data64bitsDirective;
+ break;
case Type::FloatTyID: case Type::DoubleTyID:
assert (0 && "Should have already output floating point constant.");
default: