[SCEV] Fix wrong initialization of MaxNotTaken

I'm not sure why, but since this code was introduced back in 2019, this
variable used wrong value to initialize. Somehow it just worked, but
needs to be fixed.

Differential Revision: https://reviews.llvm.org/D138549
Reviewed By: fhahn

diff --git a/llvm/include/llvm/Analysis/ScalarEvolution.h b/llvm/include/llvm/Analysis/ScalarEvolution.h
index 47fddb3..fa61583 100644 (file)
--- a/llvm/include/llvm/Analysis/ScalarEvolution.h
+++ b/llvm/include/llvm/Analysis/ScalarEvolution.h
@@ -1367,7 +1367,7 @@ private:
                               const SCEV *MaxNotTaken,
                               const SmallPtrSet<const SCEVPredicate *, 4> &Predicates)
       : ExitingBlock(ExitingBlock), ExactNotTaken(ExactNotTaken),
-        MaxNotTaken(ExactNotTaken), Predicates(Predicates) {}
+        MaxNotTaken(MaxNotTaken), Predicates(Predicates) {}
 
     bool hasAlwaysTruePredicate() const {
       return Predicates.empty();