[llvm] [LowerSwitch] Don't let pass manager handle the dependency (PR #68662)

[Jay Foad via llvm-commits]

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@@ -60,8 +60,6 @@
 ; GCN-O0-NEXT:        Cycle Info Analysis
 ; GCN-O0-NEXT:        Uniformity Analysis
 ; GCN-O0-NEXT:        Unify divergent function exit nodes
-; GCN-O0-NEXT:        Lazy Value Information Analysis
-; GCN-O0-NEXT:        Lower SwitchInst's to branches
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jayfoad wrote:

Removing this is nice. I prototyped an alternative way to do it: https://github.com/jayfoad/llvm-project/commit/c03cbd4d2f584d24e2100fee529f2ba1d18c345d

See also #59830

https://github.com/llvm/llvm-project/pull/68662