[llvm] [LoopInterchange] Constrain LI within supported loop nest depth (PR #118656)

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``````````bash
git-clang-format --diff 026fbe519e16a4993601d2bac509e182081fc068 18a195ec68a9f98b18bf878aec71ea0905651bb0 --extensions cpp -- llvm/lib/Transforms/Scalar/LoopInterchange.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
index b5ebde300e..3d02514ea1 100644
--- a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
@@ -436,7 +436,8 @@ struct LoopInterchange {
     bool Changed = false;
 
     // Ensure proper loop nest depth.
-    assert(hasSupportedLoopDepth(LoopList) && "Unsupported depth of loop nest.");
+    assert(hasSupportedLoopDepth(LoopList) &&
+           "Unsupported depth of loop nest.");
 
     unsigned LoopNestDepth = LoopList.size();
     if (!isComputableLoopNest(LoopList)) {

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https://github.com/llvm/llvm-project/pull/118656