dblaikie added inline comments.
================
Comment at: clang/include/clang/Driver/ToolChain.h:495
+ // compilation uses DWARF5.
+ virtual unsigned GetAdjustedDwarfVersion(unsigned v) const { return v; }
+
----------------
Given these semantics (pass/return the version) maybe "AdjustDwarfVersion" or
the like might be more suitable (are there other similar functions in this API
That can/do this sort of pass/return API?).
Alternatively, a narrower/simpler API could be "GetMaxDwarfVersion", say, which
just returns int_max by default and 2 for NVPTX?
================
Comment at: clang/lib/Driver/ToolChains/Clang.cpp:3857
+ auto AdjustedDwarfVersion = TC.GetAdjustedDwarfVersion(DWARFVersion);
+
----------------
I worry a bit about having both DWARFVersion and AdjustedDwarfVersion in this
scope (I'd worry about some codepaths using one when they needed to use the
other, etc) - if at all possible, would be good to just override DWARFVersion
with the adjusted value. And probably could/should be up in the "EmitDwarf"
block above that's handling default dwarf versions and overrides of it?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D92617/new/
https://reviews.llvm.org/D92617
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