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Get alpha working with memset/memcpy/memmove

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llvm-svn: 19878
This commit is contained in:
Chris Lattner 2005-01-28 22:29:18 +00:00
parent 0931107cf9
commit 89cac82479
1 changed files with 29 additions and 5 deletions
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34
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -706,11 +706,35 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
case ISD::MEMSET:
case ISD::MEMCPY:
case ISD::MEMMOVE: {
Tmp1 = LegalizeOp(Node->getOperand(0));
Tmp2 = LegalizeOp(Node->getOperand(1));
Tmp3 = LegalizeOp(Node->getOperand(2));
SDOperand Tmp4 = LegalizeOp(Node->getOperand(3));
SDOperand Tmp5 = LegalizeOp(Node->getOperand(4));
Tmp1 = LegalizeOp(Node->getOperand(0)); // Function
Tmp2 = LegalizeOp(Node->getOperand(1)); // Pointer
if (Node->getOpcode() == ISD::MEMSET) { // memset = ubyte
switch (getTypeAction(Node->getOperand(2).getValueType())) {
case Expand: assert(0 && "Cannot expand a byte!");
case Legal:
Tmp3 = LegalizeOp(Node->getOperand(1));
break;
case Promote:
Tmp3 = PromoteOp(Node->getOperand(1));
break;
}
} else {
Tmp3 = LegalizeOp(Node->getOperand(2)); // memcpy/move = pointer,
}
SDOperand Tmp4, Tmp5;
switch (getTypeAction(Node->getOperand(3).getValueType())) { // uint
case Expand: assert(0 && "Cannot expand this yet!");
case Legal:
Tmp4 = LegalizeOp(Node->getOperand(3));
Tmp5 = LegalizeOp(Node->getOperand(4));
break;
case Promote:
Tmp4 = PromoteOp(Node->getOperand(3));
Tmp5 = PromoteOp(Node->getOperand(4));
break;
}
switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) {
default: assert(0 && "This action not implemented for this operation!");