[llvm] [BOLT][AArch64] Transform cmpbr ~> cmp + br when inversion not possible (PR #185731)

[Paschalis Mpeis via llvm-commits]

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@@ -308,6 +308,11 @@ cl::opt<unsigned>
               cl::init(0), cl::ZeroOrMore, cl::cat(BoltCategory),
               cl::sub(cl::SubCommand::getAll()));
 
+cl::opt<bool> LivenessAnalysis(
+    "liveness-analysis",
+    cl::desc("use liveness analysis in FixupBranches and LongJmpPass"),
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paschalis-mpeis wrote:

Maybe some mention that, at present, we do this on AArch64?

https://github.com/llvm/llvm-project/pull/185731