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Add in the first step of the multiple pointer support. This adds in support to the data layout for specifying a per address space pointer size.

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The next step is to update the optimizers to allow them to optimize the different address spaces with this information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165505 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Micah Villmow
2012-10-09 16:06:12 +00:00
parent 942895d371
commit 7d66146868
4 changed files with 190 additions and 49 deletions
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13
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@@ -584,7 +584,7 @@ TargetLowering::TargetLowering(const TargetMachine &tm,
setOperationAction(ISD::TRAP, MVT::Other, Expand);
IsLittleEndian = TD->isLittleEndian();
PointerTy = MVT::getIntegerVT(8*TD->getPointerSize());
PointerTy = MVT::getIntegerVT(8*TD->getPointerSize(0));
memset(RegClassForVT, 0,MVT::LAST_VALUETYPE*sizeof(TargetRegisterClass*));
memset(TargetDAGCombineArray, 0, array_lengthof(TargetDAGCombineArray));
maxStoresPerMemset = maxStoresPerMemcpy = maxStoresPerMemmove = 8;
@@ -625,7 +625,7 @@ TargetLowering::~TargetLowering() {
}
MVT TargetLowering::getShiftAmountTy(EVT LHSTy) const {
return MVT::getIntegerVT(8*TD->getPointerSize());
return MVT::getIntegerVT(8*TD->getPointerSize(0));
}
/// canOpTrap - Returns true if the operation can trap for the value type.
@@ -901,7 +901,7 @@ const char *TargetLowering::getTargetNodeName(unsigned Opcode) const {
EVT TargetLowering::getSetCCResultType(EVT VT) const {
assert(!VT.isVector() && "No default SetCC type for vectors!");
return PointerTy.SimpleTy;
return getPointerTy(0).SimpleTy;
}
MVT::SimpleValueType TargetLowering::getCmpLibcallReturnType() const {
@@ -1061,7 +1061,7 @@ SDValue TargetLowering::getPICJumpTableRelocBase(SDValue Table,
if ((JTEncoding == MachineJumpTableInfo::EK_GPRel64BlockAddress) ||
(JTEncoding == MachineJumpTableInfo::EK_GPRel32BlockAddress))
return DAG.getGLOBAL_OFFSET_TABLE(getPointerTy());
return DAG.getGLOBAL_OFFSET_TABLE(getPointerTy(0));
return Table;
}
@@ -2953,8 +2953,9 @@ TargetLowering::AsmOperandInfoVector TargetLowering::ParseConstraints(
EVT::getEVT(IntegerType::get(OpTy->getContext(), BitSize), true);
break;
}
} else if (dyn_cast<PointerType>(OpTy)) {
OpInfo.ConstraintVT = MVT::getIntegerVT(8*TD->getPointerSize());
} else if (PointerType *PT = dyn_cast<PointerType>(OpTy)) {
OpInfo.ConstraintVT = MVT::getIntegerVT(
8*TD->getPointerSize(PT->getAddressSpace()));
} else {
OpInfo.ConstraintVT = EVT::getEVT(OpTy, true);
}