Function tryFoldSelectSameOperands

lib/Dialect/CudaTile/IR/CudaTile.cpp:5191–5198

1) select c, x, x => x

// 1) select c, x, x => x
static OpFoldResult tryFoldSelectSameOperands(SelectOp op,
                                              SelectOp::FoldAdaptor adaptor) {
  Value t = op.getValIfTrue();
  Value f = op.getValIfFalse();
  if (t == f)
    return t;
  return {};
}

// 2) select true, x, y => x
//    select false, x, y => y