linux-kernel - Re: [PATCH] kbuild: add support to generate LLVM bitcode files

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Message-ID: <20140720210458.GA5019@ravnborg.org>
Date:	Sun, 20 Jul 2014 23:04:58 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Vinícius Tinti <viniciustinti@...il.com>
Cc:	Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Behan Webster <behanw@...verseincode.com>
Subject: Re: [PATCH] kbuild: add support to generate LLVM bitcode files

> >  
> > +ifeq ($(COMPILER),clang)
> > +quiet_cmd_cc_ll_c = CC $(quiet_modtag)  $@
> > +cmd_cc_ll_c       = $(CC) $(c_flags) $(DISABLE_LTO) -fverbose-asm -emit-llvm -S -o $@ $<
> 
> Can we drop the test for COMPILER here too?
> Do -fverbose-asm make sense when generating .ll files?
> It looks like a leftover from what you copied.

Also  $(DISABLE_LTO) looks like a left-over.
It was added to avoid LTO when generating asm-offstes.s which
the original rule is also used for.
So this should be skipped too.

	Sam
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