llvm/test/Transforms/LoopFusion/undominated_loops.ll

   1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
   2 ; RUN: opt < %s -passes=loop-fusion -S | FileCheck %s
   3 define void @test_long_1() {
   4 ; CHECK-LABEL: @test_long_1(
   5 ; CHECK-NEXT:  entry:
   6 ; CHECK-NEXT:    br i1 true, label [[FOR_BODY6_PREHEADER:%.*]], label [[ENTRY_VECTOR_BODY_CRIT_EDGE:%.*]]
   7 ; CHECK:       entry.vector.body_crit_edge:
   8 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
   9 ; CHECK:       vector.body:
  10 ; CHECK-NEXT:    br i1 true, label [[VECTOR_BODY_FOR_COND_CLEANUP5_CRIT_EDGE:%.*]], label [[VECTOR_BODY]]
  11 ; CHECK:       vector.body.for.cond.cleanup5_crit_edge:
  12 ; CHECK-NEXT:    br label [[FOR_COND_CLEANUP5:%.*]]
  13 ; CHECK:       for.body6.preheader:
  14 ; CHECK-NEXT:    br label [[FOR_COND_CLEANUP5]]
  15 ; CHECK:       for.cond.cleanup5:
  16 ; CHECK-NEXT:    br i1 true, label [[FOR_BODY17_PREHEADER:%.*]], label [[FOR_COND_CLEANUP5_VECTOR_BODY23_CRIT_EDGE:%.*]]
  17 ; CHECK:       for.cond.cleanup5.vector.body23_crit_edge:
  18 ; CHECK-NEXT:    br label [[VECTOR_BODY23:%.*]]
  19 ; CHECK:       vector.body23:
  20 ; CHECK-NEXT:    br i1 true, label [[MIDDLE_BLOCK15:%.*]], label [[VECTOR_BODY23]]
  21 ; CHECK:       middle.block15:
  22 ; CHECK-NEXT:    br label [[ENTRY_VECTOR_BODY_CRIT_EDGE]]
  23 ; CHECK:       for.body17.preheader:
  24 ; CHECK-NEXT:    unreachable
  25 ;
  26 entry:
  27   br i1 true, label %for.body6.preheader, label %entry.vector.body_crit_edge
  28
  29 entry.vector.body_crit_edge:                      ; preds = %entry
  30   br label %vector.body
  31
  32 vector.body:                                      ; preds = %entry.vector.body_crit_edge, %vector.body
  33   br i1 true, label %vector.body.for.cond.cleanup5_crit_edge, label %vector.body
  34
  35 vector.body.for.cond.cleanup5_crit_edge:          ; preds = %vector.body
  36   br label %for.cond.cleanup5
  37
  38 for.body6.preheader:                              ; preds = %entry
  39   br label %for.cond.cleanup5
  40
  41 for.cond.cleanup5:                                ; preds = %vector.body.for.cond.cleanup5_crit_edge, %for.body6.preheader
  42   br i1 true, label %for.body17.preheader, label %for.cond.cleanup5.vector.body23_crit_edge
  43
  44 for.cond.cleanup5.vector.body23_crit_edge:        ; preds = %for.cond.cleanup5
  45   br label %vector.body23
  46
  47 vector.body23:                                    ; preds = %for.cond.cleanup5.vector.body23_crit_edge, %vector.body23
  48   br i1 true, label %middle.block15, label %vector.body23
  49
  50 middle.block15:                                   ; preds = %vector.body23
  51   br label %entry.vector.body_crit_edge
  52
  53 for.body17.preheader:                             ; preds = %for.cond.cleanup5
  54   unreachable
  55 }