lebedev.ri accepted this revision.
lebedev.ri added a comment.
This revision is now accepted and ready to land.
Seems fine to me.
Might be good for someone else (@aaron.ballman ?) to also take a look, not sure.
Thank you.
================
Comment at: clang/lib/CodeGen/CGStmt.cpp:801
+ SourceLocToDebugLoc(R.getEnd()),
+ loopMustProgress(CondIsConst));
----------------
fhahn wrote:
> lebedev.ri wrote:
> > fhahn wrote:
> > > lebedev.ri wrote:
> > > > Now this doesn't make sense. Why must loop progress if it's condition
> > > > is a constant?
> > > > I think this should be renamed?
> > > I'm not sure I follow here. Whether the condition is constant or not is
> > > important for C11 and later. Something like ` while(true) {}` does not
> > > have to make progress, but `while (Foo) {}` must make progress. I am not
> > > sure what it should be renamed to?
> > Right.
> > But now this says that "if the condition is a constant integer 1 or 0, the
> > loop must make progress".
> > Isn't that the opposite what this should say, as per your comment?
> > Shouldn't it be "loop must progress unless the condition is a constant
> > integer 1"?
> Ok, so with 'saying' do you mean `loopMustProgress` is a bad name? I changed
> the name as suggested below, but if you meant something else, please let me
> know.
I'm saying that i was completely misreading this code because i thought
`CondIsConstInt` was being stored into `loopMustProgress`, not that
`loopMustProgress()` was being called with `CondIsConstInt` arg.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D96418/new/
https://reviews.llvm.org/D96418
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