[PATCH] D127115: [DAGCombine] Make sure combined nodes are added back to the worklist in topological order.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

  define void @_ZN12_GLOBAL__N_114AssemblyWriterC2ERN4llvm21formatted_raw_ostreamERNS1_11SlotTrackerEPKNS1_6ModuleEPNS1_24AssemblyAnnotationWriterEbb() {
  entry:
    %__end1.sroa.5.0.copyload = load ptr, ptr poison, align 8
    %__end1.sroa.6.0.copyload = load ptr, ptr null, align 8
    %cmp.i.i.i8.i.i = icmp ne ptr null, %__end1.sroa.6.0.copyload
    %cmp.i.i.i.i9.i.i = icmp ne ptr null, %__end1.sroa.5.0.copyload
    %.not.i = select i1 %cmp.i.i.i8.i.i, i1 true, i1 %cmp.i.i.i.i9.i.i
    %.not.i.fr = freeze i1 %.not.i
    br i1 %.not.i.fr, label %for.cond.us, label %if.end.split
  
  for.cond.us:                                      ; preds = %entry
    unreachable
  
  if.end.split:                                     ; preds = %entry
    ret void
  }


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D127115/new/

https://reviews.llvm.org/D127115