; LLVM IR from EarlGray/language-incubator :: fp/secd (secd)

; 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.secd_parser = type { i32, ptr, i32, i32, [256 x i8], [256 x i8], i32 }

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

; 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 i32 @lexnext(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %18, %1
  %7 = call ptr @__ctype_b_loc() #5
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.secd_parser, ptr %9, i32 0, i32 2
  %11 = load i32, ptr %10, align 8, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds i16, ptr %8, i64 %12
  %14 = load i16, ptr %13, align 2, !tbaa !12
  %15 = zext i16 %14 to i32
  %16 = and i32 %15, 8192
  %17 = icmp ne i32 %16, 0
  br i1 %17, label %18, label %21

18:                                               ; preds = %6
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = call i32 @nextchar(ptr noundef %19)
  br label %6, !llvm.loop !14

21:                                               ; preds = %6
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.secd_parser, ptr %22, i32 0, i32 2
  %24 = load i32, ptr %23, align 8, !tbaa !9
  switch i32 %24, label %51 [
    i32 -1, label %25
    i32 59, label %28
    i32 40, label %40
    i32 41, label %40
    i32 39, label %40
  ]

25:                                               ; preds = %21
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.secd_parser, ptr %26, i32 0, i32 0
  store i32 -1, ptr %27, align 8, !tbaa !16
  store i32 -1, ptr %2, align 4
  br label %138

28:                                               ; preds = %21
  br label %29

29:                                               ; preds = %32, %28
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = call i32 @nextchar(ptr noundef %30)
  br label %32

32:                                               ; preds = %29
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.secd_parser, ptr %33, i32 0, i32 2
  %35 = load i32, ptr %34, align 8, !tbaa !9
  %36 = icmp ne i32 %35, 10
  br i1 %36, label %29, label %37, !llvm.loop !17

37:                                               ; preds = %32
  %38 = load ptr, ptr %3, align 8, !tbaa !5
  %39 = call i32 @lexnext(ptr noundef %38)
  store i32 %39, ptr %2, align 4
  br label %138

40:                                               ; preds = %21, %21, %21
  %41 = load ptr, ptr %3, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.secd_parser, ptr %41, i32 0, i32 2
  %43 = load i32, ptr %42, align 8, !tbaa !9
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.secd_parser, ptr %44, i32 0, i32 0
  store i32 %43, ptr %45, align 8, !tbaa !16
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = call i32 @nextchar(ptr noundef %46)
  %48 = load ptr, ptr %3, align 8, !tbaa !5
  %49 = getelementptr inbounds %struct.secd_parser, ptr %48, i32 0, i32 0
  %50 = load i32, ptr %49, align 8, !tbaa !16
  store i32 %50, ptr %2, align 4
  br label %138

51:                                               ; preds = %21
  %52 = call ptr @__ctype_b_loc() #5
  %53 = load ptr, ptr %52, align 8, !tbaa !5
  %54 = load ptr, ptr %3, align 8, !tbaa !5
  %55 = getelementptr inbounds %struct.secd_parser, ptr %54, i32 0, i32 2
  %56 = load i32, ptr %55, align 8, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds i16, ptr %53, i64 %57
  %59 = load i16, ptr %58, align 2, !tbaa !12
  %60 = zext i16 %59 to i32
  %61 = and i32 %60, 2048
  %62 = icmp ne i32 %61, 0
  br i1 %62, label %63, label %98

63:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %64 = load ptr, ptr %3, align 8, !tbaa !5
  %65 = getelementptr inbounds %struct.secd_parser, ptr %64, i32 0, i32 4
  %66 = getelementptr inbounds [256 x i8], ptr %65, i64 0, i64 0
  store ptr %66, ptr %4, align 8, !tbaa !5
  br label %67

67:                                               ; preds = %76, %63
  %68 = load ptr, ptr %3, align 8, !tbaa !5
  %69 = getelementptr inbounds %struct.secd_parser, ptr %68, i32 0, i32 2
  %70 = load i32, ptr %69, align 8, !tbaa !9
  %71 = trunc i32 %70 to i8
  %72 = load ptr, ptr %4, align 8, !tbaa !5
  %73 = getelementptr inbounds i8, ptr %72, i32 1
  store ptr %73, ptr %4, align 8, !tbaa !5
  store i8 %71, ptr %72, align 1, !tbaa !18
  %74 = load ptr, ptr %3, align 8, !tbaa !5
  %75 = call i32 @nextchar(ptr noundef %74)
  br label %76

76:                                               ; preds = %67
  %77 = call ptr @__ctype_b_loc() #5
  %78 = load ptr, ptr %77, align 8, !tbaa !5
  %79 = load ptr, ptr %3, align 8, !tbaa !5
  %80 = getelementptr inbounds %struct.secd_parser, ptr %79, i32 0, i32 2
  %81 = load i32, ptr %80, align 8, !tbaa !9
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds i16, ptr %78, i64 %82
  %84 = load i16, ptr %83, align 2, !tbaa !12
  %85 = zext i16 %84 to i32
  %86 = and i32 %85, 2048
  %87 = icmp ne i32 %86, 0
  br i1 %87, label %67, label %88, !llvm.loop !19

88:                                               ; preds = %76
  %89 = load ptr, ptr %4, align 8, !tbaa !5
  store i8 0, ptr %89, align 1, !tbaa !18
  %90 = load ptr, ptr %3, align 8, !tbaa !5
  %91 = getelementptr inbounds %struct.secd_parser, ptr %90, i32 0, i32 4
  %92 = getelementptr inbounds [256 x i8], ptr %91, i64 0, i64 0
  %93 = call i32 @atoi(ptr noundef %92) #7
  %94 = load ptr, ptr %3, align 8, !tbaa !5
  %95 = getelementptr inbounds %struct.secd_parser, ptr %94, i32 0, i32 3
  store i32 %93, ptr %95, align 4, !tbaa !20
  %96 = load ptr, ptr %3, align 8, !tbaa !5
  %97 = getelementptr inbounds %struct.secd_parser, ptr %96, i32 0, i32 0
  store i32 -3, ptr %97, align 8, !tbaa !16
  store i32 -3, ptr %2, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  br label %138

98:                                               ; preds = %51
  %99 = load ptr, ptr %3, align 8, !tbaa !5
  %100 = getelementptr inbounds %struct.secd_parser, ptr %99, i32 0, i32 5
  %101 = load ptr, ptr %3, align 8, !tbaa !5
  %102 = getelementptr inbounds %struct.secd_parser, ptr %101, i32 0, i32 2
  %103 = load i32, ptr %102, align 8, !tbaa !9
  %104 = trunc i32 %103 to i8
  %105 = zext i8 %104 to i64
  %106 = getelementptr inbounds [256 x i8], ptr %100, i64 0, i64 %105
  %107 = load i8, ptr %106, align 1, !tbaa !18
  %108 = icmp ne i8 %107, 0
  br i1 %108, label %109, label %137

109:                                              ; preds = %98
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %110 = load ptr, ptr %3, align 8, !tbaa !5
  %111 = getelementptr inbounds %struct.secd_parser, ptr %110, i32 0, i32 4
  %112 = getelementptr inbounds [256 x i8], ptr %111, i64 0, i64 0
  store ptr %112, ptr %5, align 8, !tbaa !5
  br label %113

113:                                              ; preds = %122, %109
  %114 = load ptr, ptr %3, align 8, !tbaa !5
  %115 = getelementptr inbounds %struct.secd_parser, ptr %114, i32 0, i32 2
  %116 = load i32, ptr %115, align 8, !tbaa !9
  %117 = trunc i32 %116 to i8
  %118 = load ptr, ptr %5, align 8, !tbaa !5
  %119 = getelementptr inbounds i8, ptr %118, i32 1
  store ptr %119, ptr %5, align 8, !tbaa !5
  store i8 %117, ptr %118, align 1, !tbaa !18
  %120 = load ptr, ptr %3, align 8, !tbaa !5
  %121 = call i32 @nextchar(ptr noundef %120)
  br label %122

122:                                              ; preds = %113
  %123 = load ptr, ptr %3, align 8, !tbaa !5
  %124 = getelementptr inbounds %struct.secd_parser, ptr %123, i32 0, i32 5
  %125 = load ptr, ptr %3, align 8, !tbaa !5
  %126 = getelementptr inbounds %struct.secd_parser, ptr %125, i32 0, i32 2
  %127 = load i32, ptr %126, align 8, !tbaa !9
  %128 = trunc i32 %127 to i8
  %129 = zext i8 %128 to i64
  %130 = getelementptr inbounds [256 x i8], ptr %124, i64 0, i64 %129
  %131 = load i8, ptr %130, align 1, !tbaa !18
  %132 = icmp ne i8 %131, 0
  br i1 %132, label %113, label %133, !llvm.loop !21

133:                                              ; preds = %122
  %134 = load ptr, ptr %5, align 8, !tbaa !5
  store i8 0, ptr %134, align 1, !tbaa !18
  %135 = load ptr, ptr %3, align 8, !tbaa !5
  %136 = getelementptr inbounds %struct.secd_parser, ptr %135, i32 0, i32 0
  store i32 -2, ptr %136, align 8, !tbaa !16
  store i32 -2, ptr %2, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %138

137:                                              ; preds = %98
  store i32 -4, ptr %2, align 4
  br label %138

138:                                              ; preds = %137, %133, %88, %40, %37, %25
  %139 = load i32, ptr %2, align 4
  ret i32 %139
}

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__ctype_b_loc() #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @nextchar(ptr noundef) #3

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

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #3 = { inlinehint 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 #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 willreturn memory(none) }
attributes #6 = { nounwind }
attributes #7 = { 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, !11, i64 16}
!10 = !{!"secd_parser", !11, i64 0, !6, i64 8, !11, i64 16, !11, i64 20, !7, i64 24, !7, i64 280, !11, i64 536}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"short", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!10, !11, i64 0}
!17 = distinct !{!17, !15}
!18 = !{!7, !7, i64 0}
!19 = distinct !{!19, !15}
!20 = !{!10, !11, i64 20}
!21 = distinct !{!21, !15}


; 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"

; Function Attrs: nounwind uwtable
define dso_local i32 @lexnext(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call ptr @__ctype_b_loc() #4
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %.pre = load i32, ptr %3, align 8, !tbaa !5
  br label %tailrecurse

tailrecurse.loopexit:                             ; preds = %.preheader
  br label %tailrecurse, !llvm.loop !11

tailrecurse:                                      ; preds = %tailrecurse.loopexit, %1
  %4 = phi i32 [ 10, %tailrecurse.loopexit ], [ %.pre, %1 ]
  %5 = load ptr, ptr %2, align 8, !tbaa !13
  %6 = sext i32 %4 to i64
  %7 = getelementptr inbounds i16, ptr %5, i64 %6
  %8 = load i16, ptr %7, align 2, !tbaa !14
  %9 = zext i16 %8 to i32
  %10 = and i32 %9, 8192
  %.not51 = icmp eq i32 %10, 0
  br i1 %.not51, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %tailrecurse, %.lr.ph
  %11 = tail call i32 @nextchar(ptr noundef nonnull %0)
  %12 = load ptr, ptr %2, align 8, !tbaa !13
  %13 = load i32, ptr %3, align 8, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds i16, ptr %12, i64 %14
  %16 = load i16, ptr %15, align 2, !tbaa !14
  %17 = zext i16 %16 to i32
  %18 = and i32 %17, 8192
  %.not = icmp eq i32 %18, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !16

._crit_edge:                                      ; preds = %.lr.ph, %tailrecurse
  %19 = phi i32 [ %4, %tailrecurse ], [ %13, %.lr.ph ]
  %.lcssa39 = phi i32 [ %9, %tailrecurse ], [ %17, %.lr.ph ]
  switch i32 %19, label %26 [
    i32 -1, label %20
    i32 59, label %.preheader
    i32 40, label %23
    i32 41, label %23
    i32 39, label %23
  ]

20:                                               ; preds = %._crit_edge
  store i32 -1, ptr %0, align 8, !tbaa !17
  br label %63

.preheader:                                       ; preds = %._crit_edge, %.preheader
  %21 = tail call i32 @nextchar(ptr noundef nonnull %0)
  %22 = load i32, ptr %3, align 8, !tbaa !5
  %.not33 = icmp eq i32 %22, 10
  br i1 %.not33, label %tailrecurse.loopexit, label %.preheader, !llvm.loop !11

23:                                               ; preds = %._crit_edge, %._crit_edge, %._crit_edge
  store i32 %19, ptr %0, align 8, !tbaa !17
  %24 = tail call i32 @nextchar(ptr noundef nonnull %0)
  %25 = load i32, ptr %0, align 8, !tbaa !17
  br label %63

26:                                               ; preds = %._crit_edge
  %27 = and i32 %.lcssa39, 2048
  %.not34 = icmp eq i32 %27, 0
  br i1 %.not34, label %44, label %28

28:                                               ; preds = %26
  %29 = getelementptr inbounds i8, ptr %0, i64 24
  br label %30

30:                                               ; preds = %30, %28
  %31 = phi i32 [ %19, %28 ], [ %36, %30 ]
  %.031 = phi ptr [ %29, %28 ], [ %33, %30 ]
  %32 = trunc i32 %31 to i8
  %33 = getelementptr inbounds i8, ptr %.031, i64 1
  store i8 %32, ptr %.031, align 1, !tbaa !18
  %34 = tail call i32 @nextchar(ptr noundef nonnull %0)
  %35 = load ptr, ptr %2, align 8, !tbaa !13
  %36 = load i32, ptr %3, align 8, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds i16, ptr %35, i64 %37
  %39 = load i16, ptr %38, align 2, !tbaa !14
  %40 = and i16 %39, 2048
  %.not37 = icmp eq i16 %40, 0
  br i1 %.not37, label %41, label %30, !llvm.loop !19

41:                                               ; preds = %30
  store i8 0, ptr %33, align 1, !tbaa !18
  %42 = tail call i32 @atoi(ptr nocapture noundef %29) #5
  %43 = getelementptr inbounds i8, ptr %0, i64 20
  store i32 %42, ptr %43, align 4, !tbaa !20
  store i32 -3, ptr %0, align 8, !tbaa !17
  br label %63

44:                                               ; preds = %26
  %45 = getelementptr inbounds i8, ptr %0, i64 280
  %46 = and i32 %19, 255
  %47 = zext nneg i32 %46 to i64
  %48 = getelementptr inbounds [256 x i8], ptr %45, i64 0, i64 %47
  %49 = load i8, ptr %48, align 1, !tbaa !18
  %.not35 = icmp eq i8 %49, 0
  br i1 %.not35, label %63, label %50

50:                                               ; preds = %44
  %51 = getelementptr inbounds i8, ptr %0, i64 24
  br label %52

52:                                               ; preds = %52, %50
  %53 = phi i32 [ %19, %50 ], [ %57, %52 ]
  %.0 = phi ptr [ %51, %50 ], [ %55, %52 ]
  %54 = trunc i32 %53 to i8
  %55 = getelementptr inbounds i8, ptr %.0, i64 1
  store i8 %54, ptr %.0, align 1, !tbaa !18
  %56 = tail call i32 @nextchar(ptr noundef nonnull %0)
  %57 = load i32, ptr %3, align 8, !tbaa !5
  %58 = and i32 %57, 255
  %59 = zext nneg i32 %58 to i64
  %60 = getelementptr inbounds [256 x i8], ptr %45, i64 0, i64 %59
  %61 = load i8, ptr %60, align 1, !tbaa !18
  %.not36 = icmp eq i8 %61, 0
  br i1 %.not36, label %62, label %52, !llvm.loop !21

62:                                               ; preds = %52
  store i8 0, ptr %55, align 1, !tbaa !18
  store i32 -2, ptr %0, align 8, !tbaa !17
  br label %63

63:                                               ; preds = %44, %62, %41, %23, %20
  %.032 = phi i32 [ -3, %41 ], [ -2, %62 ], [ %25, %23 ], [ -1, %20 ], [ -4, %44 ]
  ret i32 %.032
}

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__ctype_b_loc() local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @nextchar(ptr noundef) local_unnamed_addr #2

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

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 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 #2 = { inlinehint 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 = { 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 = { nounwind willreturn memory(none) }
attributes #5 = { 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, !7, i64 16}
!6 = !{!"secd_parser", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 20, !8, i64 24, !8, i64 280, !7, i64 536}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!10, !10, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"short", !8, i64 0}
!16 = distinct !{!16, !12}
!17 = !{!6, !7, i64 0}
!18 = !{!8, !8, i64 0}
!19 = distinct !{!19, !12}
!20 = !{!6, !7, i64 20}
!21 = distinct !{!21, !12}


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