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Add a fixme message about canonicalizing floating-point vector types.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78897 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-08-13 06:01:30 +00:00
parent bab812b4b0
commit bfcbb507c2
1 changed files with 2 additions and 0 deletions
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lib/Target/ARM/ARMISelLowering.cpp
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@ -2442,6 +2442,8 @@ static SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) {
// DAG nodes, instead of keeping them as shuffles and matching them again
// during code selection. This is more efficient and avoids the possibility
// of inconsistencies between legalization and selection.
// FIXME: floating-point vectors should be canonicalized to integer vectors
// of the same time so that they get CSEd properly.
if (isVREVMask(SVN, 64))
return DAG.getNode(ARMISD::VREV64, dl, VT, SVN->getOperand(0));
if (isVREVMask(SVN, 32))