From bfcbb507c232bd386b37abcbc5f478d8a9cccde9 Mon Sep 17 00:00:00 2001 From: Bob Wilson Date: Thu, 13 Aug 2009 06:01:30 +0000 Subject: [PATCH] Add a fixme message about canonicalizing floating-point vector types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78897 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMISelLowering.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 2307602f471..14cab0986b9 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -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))