[PATCH] D94740: [Attributor] Create `AAMustProgress` for the `mustprogress` attribute

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
jdoerfert added reviewers: nikic, efriedma, xbolva00, fhahn, sstefan1, uenoku.
Herald added subscribers: okura, kuter, arphaman, bollu, hiraditya.
Herald added a reviewer: homerdin.
jdoerfert requested review of this revision.
Herald added a reviewer: baziotis.
Herald added a subscriber: bbn.
Herald added a project: LLVM.

Derive the `mustprogress` attribute based on the `willreturn` attribute
or the fact that all callers are `mustprogress`. For now we only use
"known" `willreturn` not assumed ones. This is to prevent cyclic
deduction. More thought should be put in to determine what makes the
most sense.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D94740

Files:
  llvm/include/llvm/Transforms/IPO/Attributor.h
  llvm/lib/Transforms/IPO/Attributor.cpp
  llvm/lib/Transforms/IPO/AttributorAttributes.cpp
  llvm/test/Transforms/Attributor/ArgumentPromotion/2008-02-01-ReturnAttrs.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/2008-07-02-array-indexing.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/2008-09-07-CGUpdate.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/2008-09-08-CGUpdateSelfEdge.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/X86/attributes.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/X86/min-legal-vector-width.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/aggregate-promote.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/alignment.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/attrs.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/basictest.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/byval-2.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/byval.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/chained.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/control-flow.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/control-flow2.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/crash.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/fp80.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/inalloca.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/invalidation.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/live_called_from_dead.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/live_called_from_dead_2.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/musttail.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/pr32917.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/pr33641_remove_arg_dbgvalue.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/reserve-tbaa.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/sret.ll
  llvm/test/Transforms/Attributor/IPConstantProp/2009-09-24-byval-ptr.ll
  llvm/test/Transforms/Attributor/IPConstantProp/PR16052.ll
  llvm/test/Transforms/Attributor/IPConstantProp/PR26044.ll
  llvm/test/Transforms/Attributor/IPConstantProp/PR43857.ll
  llvm/test/Transforms/Attributor/IPConstantProp/arg-count-mismatch.ll
  llvm/test/Transforms/Attributor/IPConstantProp/arg-type-mismatch.ll
  llvm/test/Transforms/Attributor/IPConstantProp/comdat-ipo.ll
  llvm/test/Transforms/Attributor/IPConstantProp/dangling-block-address.ll
  llvm/test/Transforms/Attributor/IPConstantProp/deadarg.ll
  llvm/test/Transforms/Attributor/IPConstantProp/global.ll
  llvm/test/Transforms/Attributor/IPConstantProp/multiple_callbacks.ll
  llvm/test/Transforms/Attributor/IPConstantProp/musttail-call.ll
  llvm/test/Transforms/Attributor/IPConstantProp/pthreads.ll
  llvm/test/Transforms/Attributor/IPConstantProp/recursion.ll
  llvm/test/Transforms/Attributor/IPConstantProp/remove-call-inst.ll
  llvm/test/Transforms/Attributor/IPConstantProp/return-argument.ll
  llvm/test/Transforms/Attributor/IPConstantProp/return-constant.ll
  llvm/test/Transforms/Attributor/IPConstantProp/return-constants.ll
  llvm/test/Transforms/Attributor/IPConstantProp/solve-after-each-resolving-undefs-for-function.ll
  llvm/test/Transforms/Attributor/IPConstantProp/thread_local_acs.ll
  llvm/test/Transforms/Attributor/align.ll
  llvm/test/Transforms/Attributor/alwaysinline.ll
  llvm/test/Transforms/Attributor/depgraph.ll
  llvm/test/Transforms/Attributor/dereferenceable-1.ll
  llvm/test/Transforms/Attributor/dereferenceable-2-inseltpoison.ll
  llvm/test/Transforms/Attributor/dereferenceable-2.ll
  llvm/test/Transforms/Attributor/internal-noalias.ll
  llvm/test/Transforms/Attributor/internalize.ll
  llvm/test/Transforms/Attributor/liveness.ll
  llvm/test/Transforms/Attributor/liveness_chains.ll
  llvm/test/Transforms/Attributor/lvi-after-jumpthreading.ll
  llvm/test/Transforms/Attributor/lvi-for-ashr.ll
  llvm/test/Transforms/Attributor/memory_locations.ll
  llvm/test/Transforms/Attributor/misc.ll
  llvm/test/Transforms/Attributor/misc_crash.ll
  llvm/test/Transforms/Attributor/mustprogress.ll
  llvm/test/Transforms/Attributor/noalias.ll
  llvm/test/Transforms/Attributor/nocapture-1.ll
  llvm/test/Transforms/Attributor/nocapture-2.ll
  llvm/test/Transforms/Attributor/nofree.ll
  llvm/test/Transforms/Attributor/nonnull.ll
  llvm/test/Transforms/Attributor/norecurse.ll
  llvm/test/Transforms/Attributor/noreturn.ll
  llvm/test/Transforms/Attributor/nosync.ll
  llvm/test/Transforms/Attributor/nounwind.ll
  llvm/test/Transforms/Attributor/potential.ll
  llvm/test/Transforms/Attributor/range.ll
  llvm/test/Transforms/Attributor/read_write_returned_arguments_scc.ll
  llvm/test/Transforms/Attributor/readattrs.ll
  llvm/test/Transforms/Attributor/returned.ll
  llvm/test/Transforms/Attributor/undefined_behavior.ll
  llvm/test/Transforms/Attributor/value-simplify.ll
  llvm/test/Transforms/Attributor/willreturn.ll