[LLVMdev] Machine Level IR text-based serialization

[Philip Reames]

On 04/21/2015 10:12 AM, Alex L wrote:
> Hi,
> I'm  Alex,  and  last  summer  I  was  working  on  the  code  coverage  support  for  pgo  for  LLVM  and  clang  at  Apple.
> I'm  currently  interning  at  Apple  again,  and  I'm  planning  to  work  on  a  project  that  was  suggested  to  me  by  Bob  Wilson.
> I  plan  on  developing  a  text-based,  human  readable  format  that  allows  LLVM  to  
> serialize  the  machine  level  IR  (The  data  structures  like  MachineFunction,  etc.  from  CodeGen).  
> The  motivation  for  this  project  is  that  it  will  enable  easier  testing  of  the  CodeGen  passes,  
> and  will  allow  developers  to  run  tests  that  invoke  just  a  single  CodeGen  pass,  
> or  that  start  from  a  specific  pass  (llc's  -start-after  option).
This is very needed.  Thank you for working on this.
> I  would  be  interested  in  hearing  from  other  people  who  might  be  working  on  a  similar
> project  or  have  ideas  in  which  direction  this  project  should  go.  I  will  be  posting
> an  initial  proposal  for  the  format  in  a  couple  of  days.


Philip

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