817   FlatAffineValueConstraints sliceUnionCst;  in computeSliceUnion()  local
818   assert(sliceUnionCst.getNumDimAndSymbolVars() == 0);  in computeSliceUnion()
854       if (sliceUnionCst.getNumDimAndSymbolVars() == 0) {  in computeSliceUnion()
856         if (failed(tmpSliceState.getAsConstraints(&sliceUnionCst))) {  in computeSliceUnion()
861         assert(sliceUnionCst.getNumDimAndSymbolVars() > 0);  in computeSliceUnion()
874       if (!sliceUnionCst.areVarsAlignedWithOther(tmpSliceCst)) {  in computeSliceUnion()
879         for (unsigned k = 0, l = sliceUnionCst.getNumDimVars(); k < l; ++k)  in computeSliceUnion()
880           sliceUnionIVs.insert(sliceUnionCst.getValue(k));  in computeSliceUnion()
885         sliceUnionCst.mergeAndAlignVarsWithOther(/*offset=*/0, &tmpSliceCst);  in computeSliceUnion()
892         if (failed(addMissingLoopIVBounds(sliceUnionIVs, &sliceUnionCst)))  in computeSliceUnion()
898       if (sliceUnionCst.getNumLocalVars() > 0 ||  in computeSliceUnion()
900           failed(sliceUnionCst.unionBoundingBox(tmpSliceCst))) {  in computeSliceUnion()
909   if (sliceUnionCst.getNumDimAndSymbolVars() == 0)  in computeSliceUnion()
926   unsigned numSliceLoopIVs = sliceUnionCst.getNumDimVars();  in computeSliceUnion()
929   sliceUnionCst.convertLoopIVSymbolsToDims();  in computeSliceUnion()
935   sliceUnionCst.getSliceBounds(/*offset=*/0, numSliceLoopIVs,  in computeSliceUnion()
941   sliceUnionCst.getValues(numSliceLoopIVs,  in computeSliceUnion()
942                           sliceUnionCst.getNumDimAndSymbolVars(),  in computeSliceUnion()
947   sliceUnionCst.getValues(0, numSliceLoopIVs, &sliceUnion->ivs);  in computeSliceUnion()