[MLIR][Presburger] Simplex::computeOptimum: slightly simplify code (NFC)

diff --git a/mlir/lib/Analysis/Presburger/Simplex.cpp b/mlir/lib/Analysis/Presburger/Simplex.cpp
index 45b1a26..500bfba 100644 (file)
--- a/mlir/lib/Analysis/Presburger/Simplex.cpp
+++ b/mlir/lib/Analysis/Presburger/Simplex.cpp
@@ -1333,8 +1333,7 @@ MaybeOptimum<Fraction> Simplex::computeOptimum(Direction direction,
   SimplexRollbackScopeExit scopeExit(*this);
   unsigned conIndex = addRow(coeffs);
   unsigned row = con[conIndex].pos;
-  MaybeOptimum<Fraction> optimum = computeRowOptimum(direction, row);
-  return optimum;
+  return computeRowOptimum(direction, row);
 }
 
 MaybeOptimum<Fraction> Simplex::computeOptimum(Direction direction,