Compare the dominance information calculated using a dominance tree walk to the
information calculated based on DFS numbers, if XDEBUG is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92969
91177308-0d34-0410-b5e6-
96231b3b80d8
if (A == 0 || B == 0)
return false;
+ // Compare the result of the tree walk and the dfs numbers, if expensive
+ // checks are enabled.
+#ifdef XDEBUG
+ assert(!DFSInfoValid
+ || (dominatedBySlowTreeWalk(A, B) == B->DominatedBy(A)));
+#endif
+
if (DFSInfoValid)
return B->DominatedBy(A);