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Handle expanding arguments to ISD::TRUNCATE. This happens on PowerPC when

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you have something like i16 = truncate i64.  This fixes Regression/C/casts


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21073 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2005-04-04 00:57:08 +00:00
parent 06098e0e9b
commit 79e46acd35
1 changed files with 3 additions and 1 deletions
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4
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -1126,7 +1126,9 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
Result = PromoteOp(Node->getOperand(0));
break;
case Expand:
assert(0 && "Cannot handle expand yet");
ExpandOp(Node->getOperand(0), Tmp1, Tmp2);
// Truncate the low part of the expanded value to the result type
Result = DAG.getNode(ISD::TRUNCATE, VT, Tmp1);
}
break;
case ISD::SIGN_EXTEND: