[llvm] [SimplifyCFG] Don't limit the number of simultaneous forwards from switch condition (PR #95932)

[Yingwei Zheng via llvm-commits]

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@@ -18,7 +18,7 @@ bb3:
 bb4:
   br label %exit.sink.split
 exit.sink.split:
-  %.sink = phi i32 [ 5, %bb4 ], [ %b, %bb1 ], [ 3, %bb3 ], [ %a, %entry ]
+  %.sink = phi i32 [ 5, %bb4 ], [ %b, %bb1 ], [ 7, %bb3 ], [ %a, %entry ]
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dtcxzyw wrote:

Can you explain this change?


https://github.com/llvm/llvm-project/pull/95932