jcai19 marked an inline comment as done.
jcai19 added a comment.


> - Allows bracketing as John suggested (lower / upper bounds where to stop / 
> start).

I have made some updates to this patch based on the comments here. One question 
I have though is whether we should have another option for starting point. Now 
that we implement the pragma support at https://reviews.llvm.org/D78693, 
bracketing can be done with pragma of uninitialized attribute. For bisection, 
we do not really need to specify a starting point. Not having it also means 
less change to the code path of automatic variable initialization, and 
therefore a less chance of introducing bugs.



================
Comment at: clang/lib/CodeGen/CGDecl.cpp:1814
+    if (StopAfter) {
+      static unsigned Counter = 0;
+      if (Counter >= StopAfter)
----------------
rjmccall wrote:
> jcai19 wrote:
> > rjmccall wrote:
> > > srhines wrote:
> > > > MaskRay wrote:
> > > > > I am a bit worried about the static variable. This makes CodeGen not 
> > > > > reusable.
> > > > The counter could exist in ASTContext instead.
> > > IRGenModule would be the more appropriate place.
> > I can't seem to find IRGenModule. Do you mean CodeGenModule by any chance? 
> > Thanks.
> Yes, sorry.  The Clang and Swift frontends use slightly different names for 
> the same concept.
Thank you for the confirmation! Sorry I missed your reply earlier.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77168/new/

https://reviews.llvm.org/D77168



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