Fully implement frame index, so that we can pass the address of alloca's

around to functions and stuff


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23036 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-25 00:45:43 +00:00
parent afb2dd43de
commit e28e40a273

View File

@ -369,9 +369,10 @@ bool PPC32DAGToDAGISel::SelectAddr(SDOperand Addr, SDOperand &Op1,
if (Addr.getOpcode() == ISD::ADD) {
if (isIntImmediate(Addr.getOperand(1), imm) && isInt16(imm)) {
Op1 = getI32Imm(Lo16(imm));
if (isa<FrameIndexSDNode>(Addr.getOperand(0))) {
if (FrameIndexSDNode *FI =
dyn_cast<FrameIndexSDNode>(Addr.getOperand(0))) {
++FrameOff;
Op2 = Addr.getOperand(0);
Op2 = CurDAG->getTargetFrameIndex(FI->getIndex(), MVT::i32);
} else {
Op2 = Select(Addr.getOperand(0));
}
@ -396,9 +397,9 @@ bool PPC32DAGToDAGISel::SelectAddr(SDOperand Addr, SDOperand &Op1,
Op2 = CurDAG->getTargetNode(PPC::LIS, MVT::i32, Op1);
return false;
}
} else if (isa<FrameIndexSDNode>(Addr)) {
} else if (FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Addr)) {
Op1 = getI32Imm(0);
Op2 = Addr;
Op2 = CurDAG->getTargetFrameIndex(FI->getIndex(), MVT::i32);
return false;
} else if (ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(Addr)) {
Op1 = Addr;
@ -530,6 +531,13 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) {
else
CurDAG->SelectNodeTo(N, N->getValueType(0), PPC::IMPLICIT_DEF_FP);
break;
case ISD::FrameIndex: {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
CurDAG->SelectNodeTo(N, MVT::i32, PPC::ADDI,
CurDAG->getTargetFrameIndex(FI, MVT::i32),
getI32Imm(0));
break;
}
case ISD::GlobalAddress: {
GlobalValue *GV = cast<GlobalAddressSDNode>(N)->getGlobal();
SDOperand Tmp;