[llvm] [LoopInterchange] Ignore the cost-model, force interchange if legal (PR #148858)

[Sjoerd Meijer via llvm-commits]

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@@ -0,0 +1,43 @@
+; RUN: opt < %s -passes=loop-interchange -pass-remarks-output=%t -disable-output -loop-interchange-profitabilities=ignore -S
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sjoerdmeijer wrote:

Ok, thanks, I will commit this and look at that suggestion early next week. 
This allows me to run more testing over the weekend. 
I have already found a couple of interchange problems, but can raise issues when this option is available. 

https://github.com/llvm/llvm-project/pull/148858