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implement LowerConstantPool and LowerGlobalAddress 

llvm-svn: 29433
This commit is contained in:
Rafael Espindola 2006-08-01 12:58:43 +00:00
parent 300f1979c8
commit 95035cf001
2 changed files with 26 additions and 3 deletions
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4
llvm/lib/Target/ARM/ARMAsmPrinter.cpp
View File

@ -168,8 +168,8 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
abort();
break;
case MachineOperand::MO_ConstantPoolIndex:
assert(0 && "not implemented");
abort();
O << PrivateGlobalPrefix << "CPI" << getFunctionNumber()
<< '_' << MO.getConstantPoolIndex();
break;
default:
O << "<unknown operand type>"; abort (); break;

25
llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
View File

@ -41,7 +41,9 @@ namespace {
ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
: TargetLowering(TM) {
setOperationAction(ISD::RET, MVT::Other, Custom);
setOperationAction(ISD::RET, MVT::Other, Custom);
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
setOperationAction(ISD::ConstantPool, MVT::i32, Custom);
}
namespace llvm {
@ -218,6 +220,23 @@ static SDOperand LowerFORMAL_ARGUMENT(SDOperand Op, SelectionDAG &DAG,
}
}
static SDOperand LowerConstantPool(SDOperand Op, SelectionDAG &DAG) {
MVT::ValueType PtrVT = Op.getValueType();
ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
Constant *C = CP->get();
SDOperand CPI = DAG.getTargetConstantPool(C, PtrVT, CP->getAlignment());
return CPI;
}
static SDOperand LowerGlobalAddress(SDOperand Op,
SelectionDAG &DAG) {
GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
SDOperand CPAddr = DAG.getConstantPool(GV, MVT::i32, 2);
return DAG.getLoad(MVT::i32, DAG.getEntryNode(), CPAddr,
DAG.getSrcValue(NULL));
}
static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG) {
std::vector<SDOperand> ArgValues;
SDOperand Root = Op.getOperand(0);
@ -244,6 +263,10 @@ SDOperand ARMTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) {
default:
assert(0 && "Should not custom lower this!");
abort();
case ISD::ConstantPool:
return LowerConstantPool(Op, DAG);
case ISD::GlobalAddress:
return LowerGlobalAddress(Op, DAG);
case ISD::FORMAL_ARGUMENTS:
return LowerFORMAL_ARGUMENTS(Op, DAG);
case ISD::CALL: