; LLVM IR from kala13x/libxutils :: examples (async-server)

; 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.xasync_srv_args_t = type { [2048 x i8], [2048 x i8], [2048 x i8], [128 x i8], i16, i8, i8, i8 }

@.str.23 = external hidden unnamed_addr constant [22 x i8], align 1
@optarg = external global ptr, align 8
@.str.24 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.25 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [29 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare void @XLog_Display(i32 noundef, i8 noundef zeroext, ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i8 @parse_args(ptr noundef %0, i32 noundef %1, ptr noundef %2) #2 {
  %4 = alloca i8, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %10, i32 0, i32 1
  %12 = getelementptr inbounds [2048 x i8], ptr %11, i64 0, i64 0
  store i8 0, ptr %12, align 2, !tbaa !11
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %13, i32 0, i32 2
  %15 = getelementptr inbounds [2048 x i8], ptr %14, i64 0, i64 0
  store i8 0, ptr %15, align 2, !tbaa !11
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %16, i32 0, i32 0
  %18 = getelementptr inbounds [2048 x i8], ptr %17, i64 0, i64 0
  store i8 0, ptr %18, align 2, !tbaa !11
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %19, i32 0, i32 3
  %21 = getelementptr inbounds [128 x i8], ptr %20, i64 0, i64 0
  store i8 0, ptr %21, align 2, !tbaa !11
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %22, i32 0, i32 4
  store i16 0, ptr %23, align 2, !tbaa !12
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %24, i32 0, i32 5
  store i8 0, ptr %25, align 2, !tbaa !15
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %26, i32 0, i32 6
  store i8 0, ptr %27, align 1, !tbaa !16
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %28, i32 0, i32 7
  store i8 0, ptr %29, align 2, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %78, %3
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = load ptr, ptr %7, align 8, !tbaa !5
  %33 = call i32 @getopt(i32 noundef %31, ptr noundef %32, ptr noundef @.str.23) #5
  store i32 %33, ptr %8, align 4, !tbaa !9
  %34 = icmp ne i32 %33, -1
  br i1 %34, label %35, label %79

35:                                               ; preds = %30
  %36 = load i32, ptr %8, align 4, !tbaa !9
  switch i32 %36, label %77 [
    i32 97, label %37
    i32 99, label %43
    i32 107, label %49
    i32 114, label %55
    i32 112, label %61
    i32 102, label %67
    i32 117, label %70
    i32 115, label %73
    i32 104, label %76
  ]

37:                                               ; preds = %35
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %38, i32 0, i32 3
  %40 = getelementptr inbounds [128 x i8], ptr %39, i64 0, i64 0
  %41 = load ptr, ptr @optarg, align 8, !tbaa !5
  %42 = call i64 @xstrncpy(ptr noundef %40, i64 noundef 128, ptr noundef %41)
  br label %78

43:                                               ; preds = %35
  %44 = load ptr, ptr %5, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %44, i32 0, i32 1
  %46 = getelementptr inbounds [2048 x i8], ptr %45, i64 0, i64 0
  %47 = load ptr, ptr @optarg, align 8, !tbaa !5
  %48 = call i64 @xstrncpy(ptr noundef %46, i64 noundef 2048, ptr noundef %47)
  br label %78

49:                                               ; preds = %35
  %50 = load ptr, ptr %5, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %50, i32 0, i32 2
  %52 = getelementptr inbounds [2048 x i8], ptr %51, i64 0, i64 0
  %53 = load ptr, ptr @optarg, align 8, !tbaa !5
  %54 = call i64 @xstrncpy(ptr noundef %52, i64 noundef 2048, ptr noundef %53)
  br label %78

55:                                               ; preds = %35
  %56 = load ptr, ptr %5, align 8, !tbaa !5
  %57 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %56, i32 0, i32 0
  %58 = getelementptr inbounds [2048 x i8], ptr %57, i64 0, i64 0
  %59 = load ptr, ptr @optarg, align 8, !tbaa !5
  %60 = call i64 @xstrncpy(ptr noundef %58, i64 noundef 2048, ptr noundef %59)
  br label %78

61:                                               ; preds = %35
  %62 = load ptr, ptr @optarg, align 8, !tbaa !5
  %63 = call i32 @atoi(ptr noundef %62) #6
  %64 = trunc i32 %63 to i16
  %65 = load ptr, ptr %5, align 8, !tbaa !5
  %66 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %65, i32 0, i32 4
  store i16 %64, ptr %66, align 2, !tbaa !12
  br label %78

67:                                               ; preds = %35
  %68 = load ptr, ptr %5, align 8, !tbaa !5
  %69 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %68, i32 0, i32 5
  store i8 1, ptr %69, align 2, !tbaa !15
  br label %78

70:                                               ; preds = %35
  %71 = load ptr, ptr %5, align 8, !tbaa !5
  %72 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %71, i32 0, i32 6
  store i8 1, ptr %72, align 1, !tbaa !16
  br label %78

73:                                               ; preds = %35
  %74 = load ptr, ptr %5, align 8, !tbaa !5
  %75 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %74, i32 0, i32 7
  store i8 1, ptr %75, align 2, !tbaa !17
  br label %78

76:                                               ; preds = %35
  br label %77

77:                                               ; preds = %76, %35
  store i8 0, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %117

78:                                               ; preds = %73, %70, %67, %61, %55, %49, %43, %37
  br label %30, !llvm.loop !18

79:                                               ; preds = %30
  %80 = load ptr, ptr %5, align 8, !tbaa !5
  %81 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %80, i32 0, i32 3
  %82 = getelementptr inbounds [128 x i8], ptr %81, i64 0, i64 0
  %83 = call zeroext i8 @xstrused(ptr noundef %82)
  %84 = icmp ne i8 %83, 0
  br i1 %84, label %86, label %85

85:                                               ; preds = %79
  call void (i32, i8, ptr, ...) @XLog_Display(i32 noundef 64, i8 noundef zeroext 1, ptr noundef @.str.24)
  store i8 0, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %117

86:                                               ; preds = %79
  %87 = load ptr, ptr %5, align 8, !tbaa !5
  %88 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %87, i32 0, i32 4
  %89 = load i16, ptr %88, align 2, !tbaa !12
  %90 = icmp ne i16 %89, 0
  br i1 %90, label %97, label %91

91:                                               ; preds = %86
  %92 = load ptr, ptr %5, align 8, !tbaa !5
  %93 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %92, i32 0, i32 6
  %94 = load i8, ptr %93, align 1, !tbaa !16
  %95 = icmp ne i8 %94, 0
  br i1 %95, label %97, label %96

96:                                               ; preds = %91
  call void (i32, i8, ptr, ...) @XLog_Display(i32 noundef 64, i8 noundef zeroext 1, ptr noundef @.str.25)
  store i8 0, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %117

97:                                               ; preds = %91, %86
  %98 = load ptr, ptr %5, align 8, !tbaa !5
  %99 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %98, i32 0, i32 7
  %100 = load i8, ptr %99, align 2, !tbaa !17
  %101 = zext i8 %100 to i32
  %102 = icmp ne i32 %101, 0
  br i1 %102, label %103, label %116

103:                                              ; preds = %97
  %104 = load ptr, ptr %5, align 8, !tbaa !5
  %105 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %104, i32 0, i32 1
  %106 = getelementptr inbounds [2048 x i8], ptr %105, i64 0, i64 0
  %107 = call zeroext i8 @xstrused(ptr noundef %106)
  %108 = icmp ne i8 %107, 0
  br i1 %108, label %109, label %115

109:                                              ; preds = %103
  %110 = load ptr, ptr %5, align 8, !tbaa !5
  %111 = getelementptr inbounds %struct.xasync_srv_args_t, ptr %110, i32 0, i32 2
  %112 = getelementptr inbounds [2048 x i8], ptr %111, i64 0, i64 0
  %113 = call zeroext i8 @xstrused(ptr noundef %112)
  %114 = icmp ne i8 %113, 0
  br i1 %114, label %116, label %115

115:                                              ; preds = %109, %103
  call void (i32, i8, ptr, ...) @XLog_Display(i32 noundef 64, i8 noundef zeroext 1, ptr noundef @.str.26)
  store i8 0, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %117

116:                                              ; preds = %109, %97
  store i8 1, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %117

117:                                              ; preds = %116, %115, %96, %85, %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  %118 = load i8, ptr %4, align 1
  ret i8 %118
}

; Function Attrs: nounwind
declare i32 @getopt(i32 noundef, ptr noundef, ptr noundef) #3

declare i64 @xstrncpy(ptr noundef, i64 noundef, ptr noundef) #1

; Function Attrs: inlinehint nounwind willreturn memory(read) uwtable
declare i32 @atoi(ptr noundef nonnull) #4

declare zeroext i8 @xstrused(ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 #2 = { 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 #3 = { 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 #4 = { inlinehint nounwind willreturn memory(read) 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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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 = !{!7, !7, i64 0}
!12 = !{!13, !14, i64 6272}
!13 = !{!"", !7, i64 0, !7, i64 2048, !7, i64 4096, !7, i64 6144, !14, i64 6272, !7, i64 6274, !7, i64 6275, !7, i64 6276}
!14 = !{!"short", !7, i64 0}
!15 = !{!13, !7, i64 6274}
!16 = !{!13, !7, i64 6275}
!17 = !{!13, !7, i64 6276}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


; 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"

@.str.23 = external hidden unnamed_addr constant [22 x i8], align 1
@optarg = external local_unnamed_addr global ptr, align 8
@.str.24 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.25 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [29 x i8], align 1

declare void @XLog_Display(i32 noundef, i8 noundef zeroext, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local zeroext range(i8 0, 2) i8 @parse_args(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = getelementptr inbounds i8, ptr %0, i64 2048
  store i8 0, ptr %4, align 2, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 4096
  store i8 0, ptr %5, align 2, !tbaa !5
  store i8 0, ptr %0, align 2, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 6144
  store i8 0, ptr %6, align 2, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 6272
  %8 = getelementptr inbounds i8, ptr %0, i64 6274
  %9 = getelementptr inbounds i8, ptr %0, i64 6275
  %10 = getelementptr inbounds i8, ptr %0, i64 6276
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 2 dereferenceable(5) %7, i8 0, i64 5, i1 false)
  br label %11

11:                                               ; preds = %.backedge, %3
  %12 = tail call i32 @getopt(i32 noundef %1, ptr noundef %2, ptr noundef nonnull @.str.23) #5
  switch i32 %12, label %.loopexit [
    i32 -1, label %32
    i32 97, label %13
    i32 99, label %16
    i32 107, label %19
    i32 114, label %22
    i32 112, label %25
    i32 102, label %29
    i32 117, label %30
    i32 115, label %31
  ]

13:                                               ; preds = %11
  %14 = load ptr, ptr @optarg, align 8, !tbaa !8
  %15 = tail call i64 @xstrncpy(ptr noundef nonnull %6, i64 noundef 128, ptr noundef %14) #5
  br label %.backedge

16:                                               ; preds = %11
  %17 = load ptr, ptr @optarg, align 8, !tbaa !8
  %18 = tail call i64 @xstrncpy(ptr noundef nonnull %4, i64 noundef 2048, ptr noundef %17) #5
  br label %.backedge

19:                                               ; preds = %11
  %20 = load ptr, ptr @optarg, align 8, !tbaa !8
  %21 = tail call i64 @xstrncpy(ptr noundef nonnull %5, i64 noundef 2048, ptr noundef %20) #5
  br label %.backedge

22:                                               ; preds = %11
  %23 = load ptr, ptr @optarg, align 8, !tbaa !8
  %24 = tail call i64 @xstrncpy(ptr noundef nonnull %0, i64 noundef 2048, ptr noundef %23) #5
  br label %.backedge

25:                                               ; preds = %11
  %26 = load ptr, ptr @optarg, align 8, !tbaa !8
  %27 = tail call i32 @atoi(ptr nocapture noundef %26) #6
  %28 = trunc i32 %27 to i16
  store i16 %28, ptr %7, align 2, !tbaa !10
  br label %.backedge

29:                                               ; preds = %11
  store i8 1, ptr %8, align 2, !tbaa !13
  br label %.backedge

30:                                               ; preds = %11
  store i8 1, ptr %9, align 1, !tbaa !14
  br label %.backedge

31:                                               ; preds = %11
  store i8 1, ptr %10, align 2, !tbaa !15
  br label %.backedge

.backedge:                                        ; preds = %31, %30, %29, %25, %22, %19, %16, %13
  br label %11, !llvm.loop !16

32:                                               ; preds = %11
  %33 = tail call zeroext i8 @xstrused(ptr noundef nonnull %6) #5
  %.not26 = icmp eq i8 %33, 0
  br i1 %.not26, label %.loopexit.sink.split, label %34

34:                                               ; preds = %32
  %35 = load i16, ptr %7, align 2, !tbaa !10
  %.not27 = icmp eq i16 %35, 0
  br i1 %.not27, label %36, label %38

36:                                               ; preds = %34
  %37 = load i8, ptr %9, align 1, !tbaa !14
  %.not28 = icmp eq i8 %37, 0
  br i1 %.not28, label %.loopexit.sink.split, label %38

38:                                               ; preds = %36, %34
  %39 = load i8, ptr %10, align 2, !tbaa !15
  %.not29 = icmp eq i8 %39, 0
  br i1 %.not29, label %.loopexit, label %40

40:                                               ; preds = %38
  %41 = tail call zeroext i8 @xstrused(ptr noundef nonnull %4) #5
  %.not30 = icmp eq i8 %41, 0
  br i1 %.not30, label %.loopexit.sink.split, label %42

42:                                               ; preds = %40
  %43 = tail call zeroext i8 @xstrused(ptr noundef nonnull %5) #5
  %.not31 = icmp eq i8 %43, 0
  br i1 %.not31, label %.loopexit.sink.split, label %.loopexit

.loopexit.sink.split:                             ; preds = %40, %42, %36, %32
  %.str.26.sink = phi ptr [ @.str.24, %32 ], [ @.str.25, %36 ], [ @.str.26, %42 ], [ @.str.26, %40 ]
  tail call void (i32, i8, ptr, ...) @XLog_Display(i32 noundef 64, i8 noundef zeroext 1, ptr noundef nonnull %.str.26.sink) #5
  br label %.loopexit

.loopexit:                                        ; preds = %11, %.loopexit.sink.split, %38, %42
  %.0 = phi i8 [ 1, %42 ], [ 1, %38 ], [ 0, %.loopexit.sink.split ], [ 0, %11 ]
  ret i8 %.0
}

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

declare i64 @xstrncpy(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nofree nounwind willreturn memory(read) uwtable
declare i32 @atoi(ptr nocapture noundef nonnull) local_unnamed_addr #3

declare zeroext i8 @xstrused(ptr noundef) local_unnamed_addr #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

attributes #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 = { 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 #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 = { inlinehint mustprogress nofree nounwind willreturn memory(read) 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !6, i64 0}
!10 = !{!11, !12, i64 6272}
!11 = !{!"", !6, i64 0, !6, i64 2048, !6, i64 4096, !6, i64 6144, !12, i64 6272, !6, i64 6274, !6, i64 6275, !6, i64 6276}
!12 = !{!"short", !6, i64 0}
!13 = !{!11, !6, i64 6274}
!14 = !{!11, !6, i64 6275}
!15 = !{!11, !6, i64 6276}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass