snehasish added inline comments.
================
Comment at: llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp:1030
+/// recursive return edges vs. indirect branches. The format of the metadata is
+/// described as follows: 1st bit (LSB): set if this is a return block (return
+/// or tail call). 2nd bit: set if this is a block ending with a tail call. 3rd
----------------
Did you intend to change the formatting of the comment? I think the list items
were on separate lines.
================
Comment at: llvm/lib/CodeGen/MachineBasicBlock.cpp:58
+unsigned MachineBasicBlock::getBBAddrMapMetadata() const {
+ const TargetInstrInfo *TII = getParent()->getSubtarget().getInstrInfo();
----------------
rahmanl wrote:
> snehasish wrote:
> > I think this method only relies on already public methods of
> > MachineBasicBlock. It would be cleaner to move this from here to a static
> > helper function in AsmPrinter.cpp. This way we don't add yet another method
> > to the MachineBasicBlock class and keeps the relevant metadata generation
> > logic close to where it is used.
> >
> > Feel free to ignore if you plan on calling this method elsewhere apart from
> > AsmPrinter.cpp but I can't think of a reason to do so.
> Thanks for the suggestion. It makes the code much more readable since I just
> place that function above emitBBAddrMapSection.
> I can even make it a lambda function within emitBBAddrMapSection. WDYT?
I have a slight preference for the static method vs inline lambda since the
comment describing the metadata can be placed above the static method.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D85408/new/
https://reviews.llvm.org/D85408
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