[llvm] [SLU][profcheck] Estimate branch weights in partial unswitch cases (PR #164035)

[Mircea Trofin via llvm-commits]

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@@ -81,6 +81,7 @@ STATISTIC(
 STATISTIC(NumInvariantConditionsInjected,
           "Number of invariant conditions injected and unswitched");
 
+namespace llvm {
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mtrofin wrote:

Fly-by akin to #161240, and in particular because `ProfcheckDisableMetadataFixes` is `llvm`-qualified, so if I was going to add `llvm {` might as well.

https://github.com/llvm/llvm-project/pull/164035