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PTX: patch to AsmPrinter

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- immediate value cast as long not int
- handles initializer for constant array

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130352 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski 2011-04-28 00:19:50 +00:00
parent a7707ae19a
commit 9583a86ba8
1 changed files with 50 additions and 25 deletions
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75
lib/Target/PTX/PTXAsmPrinter.cpp
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@ -226,7 +226,7 @@ void PTXAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
OS << *Mang->getSymbol(MO.getGlobal());
break;
case MachineOperand::MO_Immediate:
OS << (int) MO.getImm();
OS << (long) MO.getImm();
break;
case MachineOperand::MO_MachineBasicBlock:
OS << *MO.getMBB()->getSymbol();
@ -308,34 +308,59 @@ void PTXAsmPrinter::EmitVariableDeclaration(const GlobalVariable *gv) {
const PointerType* pointerTy = dyn_cast<const PointerType>(gv->getType());
const Type* elementTy = pointerTy->getElementType();
assert(elementTy->isArrayTy() && "Only pointers to arrays are supported");
const ArrayType* arrayTy = dyn_cast<const ArrayType>(elementTy);
elementTy = arrayTy->getElementType();
unsigned numElements = arrayTy->getNumElements();
while (elementTy->isArrayTy()) {
arrayTy = dyn_cast<const ArrayType>(elementTy);
elementTy = arrayTy->getElementType();
numElements *= arrayTy->getNumElements();
}
// FIXME: isPrimitiveType() == false for i16?
assert(elementTy->isSingleValueType() &&
"Non-primitive types are not handled");
// Compute the size of the array, in bytes.
uint64_t arraySize = (elementTy->getPrimitiveSizeInBits() >> 3)
* numElements;
decl += ".b8 ";
decl += gvsym->getName();
decl += "[";
decl += utostr(arraySize);
if (elementTy->isArrayTy())
{
assert(elementTy->isArrayTy() && "Only pointers to arrays are supported");
const ArrayType* arrayTy = dyn_cast<const ArrayType>(elementTy);
elementTy = arrayTy->getElementType();
unsigned numElements = arrayTy->getNumElements();
while (elementTy->isArrayTy()) {
arrayTy = dyn_cast<const ArrayType>(elementTy);
elementTy = arrayTy->getElementType();
numElements *= arrayTy->getNumElements();
}
// FIXME: isPrimitiveType() == false for i16?
assert(elementTy->isSingleValueType() &&
"Non-primitive types are not handled");
// Compute the size of the array, in bytes.
uint64_t arraySize = (elementTy->getPrimitiveSizeInBits() >> 3)
* numElements;
decl += utostr(arraySize);
}
decl += "]";
// handle string constants (assume ConstantArray means string)
if (gv->hasInitializer())
{
Constant *C = gv->getInitializer();
if (const ConstantArray *CA = dyn_cast<ConstantArray>(C))
{
decl += " = {";
for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i)
{
if (i > 0) decl += ",";
decl += "0x" + utohexstr(cast<ConstantInt>(CA->getOperand(i))->getZExtValue());
}
decl += "}";
}
}
}
else {
// Note: this is currently the fall-through case and most likely generates