Merge pull request #18228 from shajrawi/LoopRegionAnalysis_bugfix

swift-ci · web-flow · commit 19fa1289b306 · 2018-07-25T15:45:50.000-07:00
diff --git a/include/swift/SILOptimizer/Analysis/LoopRegionAnalysis.h b/include/swift/SILOptimizer/Analysis/LoopRegionAnalysis.h
@@ -479,10 +479,10 @@ class LoopRegion {
       return subregion_iterator(Subregions.end(), &Subloops);
     }
     subregion_reverse_iterator rbegin() const {
-      return subregion_reverse_iterator(begin());
+      return subregion_reverse_iterator(end());
     }
     subregion_reverse_iterator rend() const {
-      return subregion_reverse_iterator(end());
+      return subregion_reverse_iterator(begin());
     }
 
     unsigned size() const { return Subregions.size(); }

Original file line number	Diff line number	Diff line change
`@@ -479,10 +479,10 @@ class LoopRegion {`
`479`	`479`	`return subregion_iterator(Subregions.end(), &Subloops);`
`480`	`480`	`}`
`481`	`481`	`subregion_reverse_iterator rbegin() const {`
`482`		`- return subregion_reverse_iterator(begin());`
	`482`	`+ return subregion_reverse_iterator(end());`
`483`	`483`	`}`
`484`	`484`	`subregion_reverse_iterator rend() const {`
`485`		`- return subregion_reverse_iterator(end());`
	`485`	`+ return subregion_reverse_iterator(begin());`
`486`	`486`	`}`
`487`	`487`
`488`	`488`	`unsigned size() const { return Subregions.size(); }`