[llvm] r318173 - Mark intrinsics operating on the whole warp as IntrInaccessibleMemOnly

[Artem Belevich via llvm-commits]

Thanks. I'll fix it ASAP.


On Tue, Nov 14, 2017 at 1:23 PM, Hans Wennborg <hans at chromium.org> wrote:

> On Tue, Nov 14, 2017 at 11:14 AM, Artem Belevich via llvm-commits
> <llvm-commits at lists.llvm.org> wrote:
> >  void NVPTXDAGToDAGISel::SelectMatchAll(SDNode *N) {
> >    SDLoc DL(N);
> > +  SDValue Chain = N->getOperand(0);
>
> Clang is warning that Chain isn't used anywhere:
>
> [2764/3792] Building CXX object
> lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXISelDAGToDAG.cpp.o
> ../lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp:1078:11: warning: unused
> variable 'Chain' [-Wunused-variable]
>   SDValue Chain = N->getOperand(0);
>           ^
> 1 warning generated.
>
> >    enum { IS_I64 = 4, HAS_CONST_VALUE = 2, HAS_CONST_MASK = 1 };
> > -  unsigned IID = cast<ConstantSDNode>(N->getOperand(0))->getZExtValue()
> ;
> > +  unsigned IID = cast<ConstantSDNode>(N->getOperand(1))->getZExtValue()
> ;
> >    unsigned OpcodeIndex =
> >        (IID == Intrinsic::nvvm_match_all_sync_i64p) ? IS_I64 : 0;
> > -  SDValue MaskOp = N->getOperand(1);
> > -  SDValue ValueOp = N->getOperand(2);
> > +  SDValue MaskOp = N->getOperand(2);
> > +  SDValue ValueOp = N->getOperand(3);
> >    if (ConstantSDNode *ValueConst = dyn_cast<ConstantSDNode>(ValueOp)) {
> >      OpcodeIndex |= HAS_CONST_VALUE;
> >      ValueOp = CurDAG->getTargetConstant(ValueConst->getZExtValue(), DL,
> > @@ -1097,9 +1098,9 @@ void NVPTXDAGToDAGISel::SelectMatchAll(S
> >        NVPTX::MATCH_ALLP_SYNC_32ir, NVPTX::MATCH_ALLP_SYNC_32ii,
> >        NVPTX::MATCH_ALLP_SYNC_64rr, NVPTX::MATCH_ALLP_SYNC_64ri,
> >        NVPTX::MATCH_ALLP_SYNC_64ir, NVPTX::MATCH_ALLP_SYNC_64ii};
> > -  SDNode *NewNode = CurDAG->getMachineNode(Opcodes[OpcodeIndex], DL,
> > -                                           {ValueOp->getValueType(0),
> MVT::i1},
> > -                                           {MaskOp, ValueOp});
> > +  SDNode *NewNode = CurDAG->getMachineNode(
> > +      Opcodes[OpcodeIndex], DL, {ValueOp->getValueType(0), MVT::i1,
> MVT::Other},
> > +      {MaskOp, ValueOp});
> >    ReplaceNode(N, NewNode);
> >  }
>



-- 
--Artem Belevich
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