; LLVM IR from clausecker/24puzzle :: parallel (pdb_iterate_parallel)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.index = type { i32, i32, i32 }
%struct.parallel_config = type { ptr, i32, ptr }
%struct.patterndb = type { %struct.index_aux, i32, ptr, [16 x i8] }
%struct.index_aux = type { [32 x i8], [16 x i8], i32, i32, i32, i32, i32, ptr, [16 x i8] }

@pdb_jobs = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [15 x i8], align 1
@stderr = external global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @pdb_iterate_parallel(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca [256 x i64], align 16
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %struct.index, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2048, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %10 = load i32, ptr @pdb_jobs, align 4, !tbaa !9
  store i32 %10, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.parallel_config, ptr %11, i32 0, i32 1
  store atomic i32 0, ptr %12 seq_cst, align 4, !tbaa !11
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = icmp eq i32 %13, 1
  br i1 %14, label %15, label %40

15:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #6
  store i64 0, ptr %4, align 8, !tbaa !13
  br label %16

16:                                               ; preds = %36, %15
  %17 = load i64, ptr %4, align 8, !tbaa !13
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.parallel_config, ptr %18, i32 0, i32 0
  %20 = load ptr, ptr %19, align 8, !tbaa !15
  %21 = getelementptr inbounds %struct.patterndb, ptr %20, i32 0, i32 0
  %22 = getelementptr inbounds %struct.index_aux, ptr %21, i32 0, i32 3
  %23 = load i32, ptr %22, align 4, !tbaa !16
  %24 = zext i32 %23 to i64
  %25 = icmp ult i64 %17, %24
  br i1 %25, label %26, label %39

26:                                               ; preds = %16
  %27 = getelementptr inbounds %struct.index, ptr %8, i32 0, i32 0
  store i32 0, ptr %27, align 4, !tbaa !19
  %28 = load i64, ptr %4, align 8, !tbaa !13
  %29 = trunc i64 %28 to i32
  %30 = getelementptr inbounds %struct.index, ptr %8, i32 0, i32 1
  store i32 %29, ptr %30, align 4, !tbaa !21
  %31 = getelementptr inbounds %struct.index, ptr %8, i32 0, i32 2
  store i32 0, ptr %31, align 4, !tbaa !22
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.parallel_config, ptr %32, i32 0, i32 2
  %34 = load ptr, ptr %33, align 8, !tbaa !23
  %35 = load ptr, ptr %2, align 8, !tbaa !5
  call void %34(ptr noundef %35, ptr noundef %8)
  br label %36

36:                                               ; preds = %26
  %37 = load i64, ptr %4, align 8, !tbaa !13
  %38 = add i64 %37, 1
  store i64 %38, ptr %4, align 8, !tbaa !13
  br label %16, !llvm.loop !24

39:                                               ; preds = %16
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #6
  br label %90

40:                                               ; preds = %1
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %41

41:                                               ; preds = %65, %40
  %42 = load i32, ptr %5, align 4, !tbaa !9
  %43 = load i32, ptr %6, align 4, !tbaa !9
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %45, label %68

45:                                               ; preds = %41
  %46 = getelementptr inbounds [256 x i64], ptr %3, i64 0, i64 0
  %47 = load i32, ptr %5, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds i64, ptr %46, i64 %48
  %50 = load ptr, ptr %2, align 8, !tbaa !5
  %51 = call i32 @pthread_create(ptr noundef %49, ptr noundef null, ptr noundef @parallel_worker, ptr noundef %50) #6
  store i32 %51, ptr %7, align 4, !tbaa !9
  %52 = load i32, ptr %7, align 4, !tbaa !9
  %53 = icmp eq i32 %52, 0
  br i1 %53, label %54, label %55

54:                                               ; preds = %45
  br label %65

55:                                               ; preds = %45
  %56 = load i32, ptr %7, align 4, !tbaa !9
  %57 = call ptr @__errno_location() #7
  store i32 %56, ptr %57, align 4, !tbaa !9
  call void @perror(ptr noundef @.str)
  %58 = load i32, ptr %5, align 4, !tbaa !9
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %5, align 4, !tbaa !9
  %60 = icmp sgt i32 %58, 0
  br i1 %60, label %61, label %62

61:                                               ; preds = %55
  br label %68

62:                                               ; preds = %55
  %63 = load ptr, ptr @stderr, align 8, !tbaa !5
  %64 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %63, ptr noundef @.str.1) #6
  call void @abort() #8
  unreachable

65:                                               ; preds = %54
  %66 = load i32, ptr %5, align 4, !tbaa !9
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %5, align 4, !tbaa !9
  br label %41, !llvm.loop !26

68:                                               ; preds = %61, %41
  %69 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %69, ptr %6, align 4, !tbaa !9
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %70

70:                                               ; preds = %86, %68
  %71 = load i32, ptr %5, align 4, !tbaa !9
  %72 = load i32, ptr %6, align 4, !tbaa !9
  %73 = icmp slt i32 %71, %72
  br i1 %73, label %74, label %89

74:                                               ; preds = %70
  %75 = load i32, ptr %5, align 4, !tbaa !9
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds [256 x i64], ptr %3, i64 0, i64 %76
  %78 = load i64, ptr %77, align 8, !tbaa !13
  %79 = call i32 @pthread_join(i64 noundef %78, ptr noundef null)
  store i32 %79, ptr %7, align 4, !tbaa !9
  %80 = load i32, ptr %7, align 4, !tbaa !9
  %81 = icmp eq i32 %80, 0
  br i1 %81, label %82, label %83

82:                                               ; preds = %74
  br label %86

83:                                               ; preds = %74
  %84 = load i32, ptr %7, align 4, !tbaa !9
  %85 = call ptr @__errno_location() #7
  store i32 %84, ptr %85, align 4, !tbaa !9
  call void @perror(ptr noundef @.str.2)
  call void @abort() #8
  unreachable

86:                                               ; preds = %82
  %87 = load i32, ptr %5, align 4, !tbaa !9
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %5, align 4, !tbaa !9
  br label %70, !llvm.loop !27

89:                                               ; preds = %70
  store i32 0, ptr %9, align 4
  br label %90

90:                                               ; preds = %89, %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 2048, ptr %3) #6
  %91 = load i32, ptr %9, align 4
  switch i32 %91, label %93 [
    i32 0, label %92
    i32 1, label %92
  ]

92:                                               ; preds = %90, %90
  ret void

93:                                               ; preds = %90
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind
declare i32 @pthread_create(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare hidden ptr @parallel_worker(ptr noundef) #0

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #3

declare void @perror(ptr noundef) #4

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: noreturn nounwind
declare void @abort() #5

declare i32 @pthread_join(i64 noundef, ptr noundef) #4

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind willreturn memory(none) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { noreturn nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(none) }
attributes #8 = { noreturn nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !7, i64 8}
!12 = !{!"parallel_config", !6, i64 0, !7, i64 8, !6, i64 16}
!13 = !{!14, !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!12, !6, i64 0}
!16 = !{!17, !10, i64 52}
!17 = !{!"patterndb", !18, i64 0, !10, i64 96, !6, i64 104}
!18 = !{!"index_aux", !7, i64 0, !7, i64 32, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 60, !10, i64 64, !6, i64 72}
!19 = !{!20, !10, i64 0}
!20 = !{!"index", !10, i64 0, !10, i64 4, !10, i64 8}
!21 = !{!20, !10, i64 4}
!22 = !{!20, !10, i64 8}
!23 = !{!12, !6, i64 16}
!24 = distinct !{!24, !25}
!25 = !{!"llvm.loop.mustprogress"}
!26 = distinct !{!26, !25}
!27 = distinct !{!27, !25}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.index = type { i32, i32, i32 }

@pdb_jobs = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [15 x i8], align 1
@stderr = external local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @pdb_iterate_parallel(ptr noundef %0) local_unnamed_addr #0 {
  %2 = alloca [256 x i64], align 16
  %3 = alloca %struct.index, align 4
  call void @llvm.lifetime.start.p0(i64 2048, ptr nonnull %2) #7
  %4 = load i32, ptr @pdb_jobs, align 4, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  store atomic i32 0, ptr %5 seq_cst, align 4, !tbaa !9
  %6 = icmp eq i32 %4, 1
  br i1 %6, label %8, label %.preheader

.preheader:                                       ; preds = %1
  %7 = icmp sgt i32 %4, 0
  br i1 %7, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %4 to i64
  br label %.lr.ph

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #7
  %9 = load ptr, ptr %0, align 8, !tbaa !12
  %10 = getelementptr inbounds i8, ptr %9, i64 52
  %11 = load i32, ptr %10, align 4, !tbaa !13
  %.not34 = icmp eq i32 %11, 0
  br i1 %.not34, label %._crit_edge, label %.lr.ph33

.lr.ph33:                                         ; preds = %8
  %12 = getelementptr inbounds i8, ptr %3, i64 4
  %13 = getelementptr inbounds i8, ptr %3, i64 8
  %14 = getelementptr inbounds i8, ptr %0, i64 16
  br label %15

15:                                               ; preds = %.lr.ph33, %15
  %.02232 = phi i64 [ 0, %.lr.ph33 ], [ %18, %15 ]
  store i32 0, ptr %3, align 4, !tbaa !16
  %16 = trunc nuw i64 %.02232 to i32
  store i32 %16, ptr %12, align 4, !tbaa !18
  store i32 0, ptr %13, align 4, !tbaa !19
  %17 = load ptr, ptr %14, align 8, !tbaa !20
  call void %17(ptr noundef nonnull %0, ptr noundef nonnull %3) #7
  %18 = add nuw nsw i64 %.02232, 1
  %19 = load ptr, ptr %0, align 8, !tbaa !12
  %20 = getelementptr inbounds i8, ptr %19, i64 52
  %21 = load i32, ptr %20, align 4, !tbaa !13
  %22 = zext i32 %21 to i64
  %23 = icmp ult i64 %18, %22
  br i1 %23, label %15, label %._crit_edge, !llvm.loop !21

._crit_edge:                                      ; preds = %15, %8
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #7
  br label %.loopexit

.lr.ph:                                           ; preds = %.lr.ph.preheader, %34
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %34 ]
  %24 = getelementptr inbounds i64, ptr %2, i64 %indvars.iv
  %25 = call i32 @pthread_create(ptr noundef nonnull %24, ptr noundef null, ptr noundef nonnull @parallel_worker, ptr noundef %0) #7
  %26 = icmp eq i32 %25, 0
  br i1 %26, label %34, label %27

27:                                               ; preds = %.lr.ph
  %28 = trunc nuw nsw i64 %indvars.iv to i32
  %29 = tail call ptr @__errno_location() #8
  store i32 %25, ptr %29, align 4, !tbaa !5
  call void @perror(ptr noundef nonnull @.str) #9
  %30 = add nuw nsw i32 %28, 1
  %.not = icmp eq i64 %indvars.iv, 0
  br i1 %.not, label %31, label %.loopexit26

31:                                               ; preds = %27
  %32 = load ptr, ptr @stderr, align 8, !tbaa !23
  %33 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %32, ptr noundef nonnull @.str.1) #10
  call void @abort() #11
  unreachable

34:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit26, label %.lr.ph, !llvm.loop !24

.loopexit26:                                      ; preds = %34, %27
  %.1 = phi i32 [ %30, %27 ], [ %4, %34 ]
  %35 = icmp sgt i32 %.1, 0
  br i1 %35, label %.lr.ph31.preheader, label %.loopexit

.lr.ph31.preheader:                               ; preds = %.loopexit26
  %wide.trip.count44 = zext nneg i32 %.1 to i64
  br label %.lr.ph31

36:                                               ; preds = %.lr.ph31
  %indvars.iv.next42 = add nuw nsw i64 %indvars.iv41, 1
  %exitcond45.not = icmp eq i64 %indvars.iv.next42, %wide.trip.count44
  br i1 %exitcond45.not, label %.loopexit, label %.lr.ph31, !llvm.loop !25

.lr.ph31:                                         ; preds = %.lr.ph31.preheader, %36
  %indvars.iv41 = phi i64 [ 0, %.lr.ph31.preheader ], [ %indvars.iv.next42, %36 ]
  %37 = getelementptr inbounds [256 x i64], ptr %2, i64 0, i64 %indvars.iv41
  %38 = load i64, ptr %37, align 8, !tbaa !26
  %39 = call i32 @pthread_join(i64 noundef %38, ptr noundef null) #7
  %40 = icmp eq i32 %39, 0
  br i1 %40, label %36, label %41

41:                                               ; preds = %.lr.ph31
  %42 = tail call ptr @__errno_location() #8
  store i32 %39, ptr %42, align 4, !tbaa !5
  call void @perror(ptr noundef nonnull @.str.2) #9
  call void @abort() #11
  unreachable

.loopexit:                                        ; preds = %36, %.preheader, %.loopexit26, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 2048, ptr nonnull %2) #7
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind
declare i32 @pthread_create(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare hidden ptr @parallel_worker(ptr noundef) #0

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare void @perror(ptr nocapture noundef readonly) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #5

declare i32 @pthread_join(i64 noundef, ptr noundef) local_unnamed_addr #6

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nofree nosync nounwind willreturn memory(none) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { noreturn nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }
attributes #8 = { nounwind willreturn memory(none) }
attributes #9 = { cold }
attributes #10 = { cold nounwind }
attributes #11 = { noreturn nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !7, i64 8}
!10 = !{!"parallel_config", !11, i64 0, !7, i64 8, !11, i64 16}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = !{!14, !6, i64 52}
!14 = !{!"patterndb", !15, i64 0, !6, i64 96, !11, i64 104}
!15 = !{!"index_aux", !7, i64 0, !7, i64 32, !6, i64 48, !6, i64 52, !6, i64 56, !6, i64 60, !6, i64 64, !11, i64 72}
!16 = !{!17, !6, i64 0}
!17 = !{!"index", !6, i64 0, !6, i64 4, !6, i64 8}
!18 = !{!17, !6, i64 4}
!19 = !{!17, !6, i64 8}
!20 = !{!10, !11, i64 16}
!21 = distinct !{!21, !22}
!22 = !{!"llvm.loop.mustprogress"}
!23 = !{!11, !11, i64 0}
!24 = distinct !{!24, !22}
!25 = distinct !{!25, !22}
!26 = !{!27, !27, i64 0}
!27 = !{!"long", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass