diff options
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp b/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp index 54c8972..0573f64 100644 --- a/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp +++ b/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp @@ -1061,8 +1061,11 @@ HexagonTargetLowering::createHvxPrefixPred(SDValue PredV, const SDLoc &dl, SDValue W0 = isUndef(PredV) ? DAG.getUNDEF(MVT::i64) : DAG.getNode(HexagonISD::P2D, dl, MVT::i64, PredV); - Words[IdxW].push_back(HiHalf(W0, DAG)); - Words[IdxW].push_back(LoHalf(W0, DAG)); + if (Bytes < BitBytes) { + Words[IdxW].push_back(HiHalf(W0, DAG)); + Words[IdxW].push_back(LoHalf(W0, DAG)); + } else + Words[IdxW].push_back(W0); while (Bytes < BitBytes) { IdxW ^= 1; @@ -1083,7 +1086,26 @@ HexagonTargetLowering::createHvxPrefixPred(SDValue PredV, const SDLoc &dl, Bytes *= 2; } + while (Bytes > BitBytes) { + IdxW ^= 1; + Words[IdxW].clear(); + + if (Bytes <= 4) { + for (const SDValue &W : Words[IdxW ^ 1]) { + SDValue T = contractPredicate(W, dl, DAG); + Words[IdxW].push_back(T); + } + } else { + for (const SDValue &W : Words[IdxW ^ 1]) { + Words[IdxW].push_back(W); + } + } + Bytes /= 2; + } + assert(Bytes == BitBytes); + if (BitBytes == 1 && PredTy == MVT::v2i1) + ByteTy = MVT::getVectorVT(MVT::i16, HwLen); SDValue Vec = ZeroFill ? getZero(dl, ByteTy, DAG) : DAG.getUNDEF(ByteTy); SDValue S4 = DAG.getConstant(HwLen-4, dl, MVT::i32); @@ -3157,6 +3179,9 @@ SDValue HexagonTargetLowering::SplitHvxMemOp(SDValue Op, SelectionDAG &DAG) const { auto *MemN = cast<MemSDNode>(Op.getNode()); + if (!MemN->getMemoryVT().isSimple()) + return Op; + MVT MemTy = MemN->getMemoryVT().getSimpleVT(); if (!isHvxPairTy(MemTy)) return Op; |