RamNalamothu added a comment.

In D156086#4536992 <https://reviews.llvm.org/D156086#4536992>, @jasonmolenda 
wrote:

> In D156086#4530507 <https://reviews.llvm.org/D156086#4530507>, @RamNalamothu 
> wrote:
>
>> In D156086#4529791 <https://reviews.llvm.org/D156086#4529791>, @jasonmolenda 
>> wrote:
>>
>>> 
>
>
>
>>> Does `isBranch` include other variants like `isUnconditionalBranch`?
>>
>> No. They are implemented as separate methods. You can see that with a full 
>> context diff of MCInstrAnalysis.h changes in this revision or 
>> MCInstrAnalysis.h 
>> <https://github.com/llvm/llvm-project/blob/main/llvm/include/llvm/MC/MCInstrAnalysis.h>
>
> `mayAffectControlFlow` doesn't test for `isUnconditionalBranch`.  Is that a 
> problem?   I didn't look through the different property check methods like 
> this, but I happened to notice this one and see it wasn't detected in 
> `mayAffectControlFlow`.  Maybe I misunderstood something.

The idea is MCInstrAnalysis's default implementation just replicates what 
MCInstrDesc does (MCInstrDesc::mayAffectControlFlow 
<https://github.com/llvm/llvm-project/blob/main/llvm/lib/MC/MCInstrDesc.cpp#L20>)
 and the individual targets can refine those methods as needed.

In D156086#4537284 <https://reviews.llvm.org/D156086#4537284>, @MaskRay wrote:

> It seems that a lldb specific test is needed. Adding a new method to 
> `llvm/include/llvm/MC/MCInstrAnalysis.h` is fine with me, though I haven't 
> checked the semantics.

I will try to add a lldb specific test.


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