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Remove ISD::RET select code. Now tblgen'd.

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llvm-svn: 24889
This commit is contained in:
Evan Cheng 2005-12-21 02:41:57 +00:00
parent 0226113ed5
commit cab6710034
1 changed files with 0 additions and 41 deletions
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41
lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -409,47 +409,6 @@ SDOperand X86DAGToDAGISel::Select(SDOperand N) {
return CodeGenMap[N] = CurDAG->getTargetNode(Opc, VT, Result);
break;
}
case ISD::RET: {
SDOperand Chain = Node->getOperand(0); // Token chain.
unsigned NumOps = Node->getNumOperands();
// Note: A bit of a hack / optimization... Try to delay chain selection
// as much as possible. So it's more likely it has already been selected
// for a real use.
switch (NumOps) {
default:
assert(0 && "Unknown return instruction!");
case 3:
Chain = Select(Chain);
assert(0 && "Not yet handled return instruction!");
break;
case 2: {
SDOperand Val = Select(Node->getOperand(1));
Chain = Select(Chain);
switch (Node->getOperand(1).getValueType()) {
default:
assert(0 && "All other types should have been promoted!!");
case MVT::i32:
Chain = CurDAG->getCopyToReg(Chain, X86::EAX, Val);
break;
case MVT::f32:
case MVT::f64:
assert(0 && "Not yet handled return instruction!");
break;
}
}
case 1:
Chain = Select(Chain);
break;
}
if (X86Lowering.getBytesToPopOnReturn() == 0)
return CurDAG->SelectNodeTo(Node, X86::RET, MVT::Other, Chain);
else
return CurDAG->SelectNodeTo(Node, X86::RET, MVT::Other,
getI16Imm(X86Lowering.getBytesToPopOnReturn()),
Chain);
}
}
return SelectCode(N);