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I should have been more specific: "Why do we want this as an option? Do we want it on all the time? Why or why not?" -eric On Aug 17, 2011, at 3:02 PM, Will Dietz wrote: > To get clang to emit va_arg instructions for va_arg() calls, as > opposed to manually lowering it in the frontend, same as the llvm-gcc > patch sent earlier does. > > ~Will > > On Wed, Aug

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To get clang to emit va_arg instructions for va_arg() calls, as opposed to manually lowering it in the frontend, same as the llvm-gcc patch sent earlier does. ~Will On Wed, Aug 17, 2011 at 2:41 PM, Eric Christopher <echristo at apple.com> wrote: > > On Aug 17, 2011, at 11:53 AM, Will Dietz wrote: > >> FWIW, attached is a similar patch that adds a -falways-use-llvm-vaarg