search for: norenam

...: > > @myvar.6 = global i8 [...] > > [...] > > call asm("movzbl myvar(%rip), ...", ..., "myvar")(..., i8* @myvar.6) > > The backend would produce assembly that would look like this: > > .rename myvar, myvar.6 > movzbl myvar(%%rip), ... > .norename myvar > > The .rename and .norename directives would delimit the scope of the > renaming. > That's an interesting idea, thanks. Are .rename and .norename standard directives? I did some web searches but couldn't find anything concrete on them (I did find a .rename in some IBM...

...o myvar.6, the IR would look like this: @myvar.6 = global i8 [...] [...] call asm("movzbl myvar(%rip), ...", ..., "myvar")(..., i8* @myvar.6) The backend would produce assembly that would look like this: .rename myvar, myvar.6 movzbl myvar(%%rip), ... .norename myvar The .rename and .norename directives would delimit the scope of the renaming. That's an interesting idea, thanks. Are .rename and .norename standard directives? I did some web searches but couldn't find anything concrete on them (I did find a .rename in some IBM Power documen...

On Wed, Apr 6, 2016 at 10:46 AM, Peter Collingbourne <peter at pcc.me.uk> wrote: > I suspect that the right way to do promotion/renaming of this sort is to > rename at the MC layer just before writing the symbol table to the object > file. > I think that is too late - how would the symbols be distinguished in the LTO case below after the IR is linked but before we renamed the