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Teach legalize how to handle condbranches

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19339 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-07 08:19:42 +00:00
parent 186fcf6964
commit c18ae4cb6a
1 changed files with 10 additions and 0 deletions
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10
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -305,6 +305,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
}
break;
case ISD::BRCOND:
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
// FIXME: booleans might not be legal!
Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition.
// Basic block destination (Op#2) is always legal.
if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1))
Result = DAG.getNode(ISD::BRCOND, MVT::Other, Tmp1, Tmp2,
Node->getOperand(2));
break;
case ISD::LOAD:
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer.