On 2018-01-08 16:20:26 -0800, Peter Geoghegan wrote: > On Mon, Jan 8, 2018 at 4:12 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > > When I complained that always_inline inhibits debuggability, I did NOT > > mean what shows up in perf reports. I'm talking about whether you can > > break at, or single-step through, a function reliably and whether gdb > > knows where all the variables are. In my experience, inlining hurts > > both of those things, which is why I'm saying that forcing inlining > > even in non-optimized builds is a bad idea. > > Isn't that an argument against inlining in general, rather than > forcing inlining in particular?
No. Normal 'inline' annotation doesn't do anything on -O0 / debug builds. But always_inline does, even though the goal of the usage is just to override the compiler's inlining heuristics. Greetings, Andres Freund