[llvm] [BPF] Remove 'may_goto 0' instructions (PR #123482)

[via llvm-commits]

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@@ -682,6 +685,56 @@ bool BPFMIPreEmitPeephole::insertMissingCallerSavedSpills() {
   return Changed;
 }
 
+bool BPFMIPreEmitPeephole::removeMayGotoZero() {
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eddyz87 wrote:

When I build BPF selftests with this patch I get the following error:
[cpuv4.error.log](https://github.com/user-attachments/files/18542254/cpuv4.error.log)


https://github.com/llvm/llvm-project/pull/123482