[PATCH] D73534: [DebugInfo] Enable the debug entry values feature by default

[Djordje Todorovic via Phabricator via cfe-commits]

djtodoro added a comment.

In D73534#1882118 <https://reviews.llvm.org/D73534#1882118>, @dstenb wrote:

> In D73534#1881353 <https://reviews.llvm.org/D73534#1881353>, @nickdesaulniers wrote:
>
> > As a heads up, Linaro's ToolChain Working Group's Linux kernel CI lit up on this change. I see it's been reverted (thank you). Please cc me on the updated patch and I can help test it against the Linux kernel.
> >
> > Edit: Link: https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-master-arm-mainline-allyesconfig/25/artifact/artifacts/build-a82d3e8a6e67473c94a5ce6345372748e9b61718/03-build_linux/console.log
>
>
> Its hard to tell from the backtrace, but looking at the code, I think this might be a bug that sneaked in when I did D70431 <https://reviews.llvm.org/D70431>. Sorry if that is the case!
>
> `ARMBaseInstrInfo::isAddImmediate()` does a `getReg()` without any `isReg()` guard:
>
>   Optional<RegImmPair> ARMBaseInstrInfo::isAddImmediate(const MachineInstr &MI,                                                                                                                                                                                                                                                  
>                                                         Register Reg) const {                                                                                                                                                                                                                                                    
>   [...]
>     // TODO: Handle cases where Reg is a super- or sub-register of the                                                                                                                                                                                                                                                           
>     // destination register.
>     if (Reg != MI.getOperand(0).getReg())
>       return None;
>


@dstenb No problem, we have already addressed the issue. Thanks to @vsk and @nickdesaulniers! I'll update the patch.


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