[LoopInterchange] Preserve LoopInfo after interchanging.
LoopInterchange relies on LoopInfo being up-to-date, so we should
preserve it after interchanging. This patch updates restructureLoops to
move the BBs of the interchanged loops to the right place.
Reviewers: davide, efriedma, karthikthecool, mcrosier
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D45278
llvm-svn: 329264
diff --git a/llvm/test/Transforms/LoopInterchange/not-interchanged-loop-nest-3.ll b/llvm/test/Transforms/LoopInterchange/not-interchanged-loop-nest-3.ll
index b6a98267..7dfbe11 100644
--- a/llvm/test/Transforms/LoopInterchange/not-interchanged-loop-nest-3.ll
+++ b/llvm/test/Transforms/LoopInterchange/not-interchanged-loop-nest-3.ll
@@ -1,5 +1,6 @@
; REQUIRES: asserts
-; RUN: opt < %s -basicaa -loop-interchange -S -debug 2>&1 | FileCheck %s
+; RUN: opt < %s -basicaa -loop-interchange -verify-dom-info -verify-loop-info \
+; RUN: -S -debug 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"