Merge pull request #26 from plaidml/flaub-fix-assert

Drop overly restrictive assertion

Author: Frank Laub

mlir/lib/Dialect/Affine/IR/AffineOps.cpp

@@ -2508,7 +2508,6 @@ OpBuilder AffineParallelOp::getBodyBuilder() {
 void AffineParallelOp::setLowerBounds(ValueRange lbOperands, AffineMap map) {
   assert(lbOperands.size() == map.getNumInputs() &&
          "operands to map must match number of inputs");
-  assert(map.getNumResults() >= 1 && "bounds map has at least one result");
 
   auto ubOperands = getUpperBoundsOperands();
 
@@ -2522,7 +2521,6 @@ void AffineParallelOp::setLowerBounds(ValueRange lbOperands, AffineMap map) {
 void AffineParallelOp::setUpperBounds(ValueRange ubOperands, AffineMap map) {
   assert(ubOperands.size() == map.getNumInputs() &&
          "operands to map must match number of inputs");
-  assert(map.getNumResults() >= 1 && "bounds map has at least one result");
 
   SmallVector<Value, 4> newOperands(getLowerBoundsOperands());
   newOperands.append(ubOperands.begin(), ubOperands.end());