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| author | Kalle Raiskila <kalle.raiskila@nokia.com> | 2010-06-09 09:58:17 +0000 |
|---|---|---|
| committer | Kalle Raiskila <kalle.raiskila@nokia.com> | 2010-06-09 09:58:17 +0000 |
| commit | 43d225dc8bdaa37e1b0a222f7510ade18a7267e4 (patch) | |
| tree | a6eaf05e4fb5c4183ca6b00985c6fa531f2a0e2e /lib/Target/CellSPU/SPUISelLowering.cpp | |
| parent | c6166c6bcaf41acab5f14aa267acec3214b75127 (diff) | |
| download | llvm-43d225dc8bdaa37e1b0a222f7510ade18a7267e4.tar.gz llvm-43d225dc8bdaa37e1b0a222f7510ade18a7267e4.tar.bz2 llvm-43d225dc8bdaa37e1b0a222f7510ade18a7267e4.tar.xz | |
Fix SPU to cope with vector insertelement to an undef position.
We default to inserting to lane 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105722 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/CellSPU/SPUISelLowering.cpp')
| -rw-r--r-- | lib/Target/CellSPU/SPUISelLowering.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp index 081e8d0db0..affd066876 100644 --- a/lib/Target/CellSPU/SPUISelLowering.cpp +++ b/lib/Target/CellSPU/SPUISelLowering.cpp @@ -2056,14 +2056,19 @@ static SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) { DebugLoc dl = Op.getDebugLoc(); EVT VT = Op.getValueType(); - ConstantSDNode *CN = cast<ConstantSDNode>(IdxOp); - assert(CN != 0 && "LowerINSERT_VECTOR_ELT: Index is not constant!"); + // use 0 when the lane to insert to is 'undef' + int64_t Idx=0; + if (IdxOp.getOpcode() != ISD::UNDEF) { + ConstantSDNode *CN = cast<ConstantSDNode>(IdxOp); + assert(CN != 0 && "LowerINSERT_VECTOR_ELT: Index is not constant!"); + Idx = (CN->getSExtValue()); + } EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy(); // Use $sp ($1) because it's always 16-byte aligned and it's available: SDValue Pointer = DAG.getNode(SPUISD::IndirectAddr, dl, PtrVT, DAG.getRegister(SPU::R1, PtrVT), - DAG.getConstant(CN->getSExtValue(), PtrVT)); + DAG.getConstant(Idx, PtrVT)); SDValue ShufMask = DAG.getNode(SPUISD::SHUFFLE_MASK, dl, VT, Pointer); SDValue result = |