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Add sanity checking for BUILD_PAIR (I noticed the

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other day that PPC custom lowering could create
a BUILD_PAIR of two f64 with a result type of...
f64! - already fixed).  Fix a place that triggers
the sanity check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58378 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2008-10-29 14:22:20 +00:00
parent 5489893867
commit d22ec5f628
3 changed files with 42 additions and 7 deletions
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9
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@@ -390,14 +390,17 @@ static SDValue getCopyFromParts(SelectionDAG &DAG,
ValueVT : MVT::getIntegerVT(RoundBits);
SDValue Lo, Hi;
MVT HalfVT = ValueVT.isInteger() ?
MVT::getIntegerVT(RoundBits/2) :
MVT::getFloatingPointVT(RoundBits/2);
if (RoundParts > 2) {
MVT HalfVT = MVT::getIntegerVT(RoundBits/2);
Lo = getCopyFromParts(DAG, Parts, RoundParts/2, PartVT, HalfVT);
Hi = getCopyFromParts(DAG, Parts+RoundParts/2, RoundParts/2,
PartVT, HalfVT);
} else {
Lo = Parts[0];
Hi = Parts[1];
Lo = DAG.getNode(ISD::BIT_CONVERT, HalfVT, Parts[0]);
Hi = DAG.getNode(ISD::BIT_CONVERT, HalfVT, Parts[1]);
}
if (TLI.isBigEndian())
std::swap(Lo, Hi);