Can instruction bundles be nested? If a later pass wants to make a bundle which includes an already existing bundle, is this legal? thanks, brian
Matt Arsenault via llvm-dev
2020-May-13 16:31 UTC
[llvm-dev] question on instruction bundles
> On May 13, 2020, at 12:23, Bagel via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Can instruction bundles be nested? If a later pass wants to make a bundle which includes an already existing bundle, is this legal? > >No, bundles are a flat sequence and can’t be nested -Matt
On 5/13/20 11:31 AM, Matt Arsenault wrote:> > >> On May 13, 2020, at 12:23, Bagel via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> Can instruction bundles be nested? If a later pass wants to make a bundle which includes an already existing bundle, is this legal? >> >> > No, bundles are a flat sequence and can’t be nested > > -Matt >Thanks, I guess I'll need to use a different approach. Brian