; LLVM IR from mbrenman/TetrisPlayground :: game/Tetris.ll (ZN6TetrisC2EPA20_Kiiii)

; 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"

%class.Tetris = type { [10 x [20 x i32]], i32, i8, i8, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6Tetris10clearBoardEv(ptr noundef nonnull align 8 dereferenceable(824)) #0 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6TetrisC2EPA20_Kiiii(ptr noundef nonnull align 8 dereferenceable(824) %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !9
  store i32 %4, ptr %10, align 4, !tbaa !9
  %16 = load ptr, ptr %6, align 8
  %17 = getelementptr inbounds %class.Tetris, ptr %16, i32 0, i32 3
  store i8 0, ptr %17, align 1, !tbaa !11
  call void @_ZN6Tetris10clearBoardEv(ptr noundef nonnull align 8 dereferenceable(824) %16)
  %18 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 20) #6
  %19 = load i32, ptr %8, align 4, !tbaa !9
  invoke void @_ZN5PieceC1Ei(ptr noundef nonnull align 4 dereferenceable(20) %18, i32 noundef %19)
          to label %20 unwind label %33

20:                                               ; preds = %5
  %21 = getelementptr inbounds %class.Tetris, ptr %16, i32 0, i32 4
  store ptr %18, ptr %21, align 8, !tbaa !14
  %22 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 20) #6
  %23 = load i32, ptr %9, align 4, !tbaa !9
  invoke void @_ZN5PieceC1Ei(ptr noundef nonnull align 4 dereferenceable(20) %22, i32 noundef %23)
          to label %24 unwind label %37

24:                                               ; preds = %20
  %25 = getelementptr inbounds %class.Tetris, ptr %16, i32 0, i32 5
  store ptr %22, ptr %25, align 8, !tbaa !15
  %26 = getelementptr inbounds %class.Tetris, ptr %16, i32 0, i32 2
  store i8 0, ptr %26, align 4, !tbaa !16
  %27 = load i32, ptr %10, align 4, !tbaa !9
  %28 = getelementptr inbounds %class.Tetris, ptr %16, i32 0, i32 1
  store i32 %27, ptr %28, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %66, %24
  %30 = load i32, ptr %13, align 4, !tbaa !9
  %31 = icmp slt i32 %30, 10
  br i1 %31, label %41, label %32

32:                                               ; preds = %29
  store i32 2, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %69

33:                                               ; preds = %5
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %11, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %12, align 4
  call void @_ZdlPvm(ptr noundef %18, i64 noundef 20) #8
  br label %70

37:                                               ; preds = %20
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %11, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %12, align 4
  call void @_ZdlPvm(ptr noundef %22, i64 noundef 20) #8
  br label %70

41:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 0, ptr %15, align 4, !tbaa !9
  br label %42

42:                                               ; preds = %62, %41
  %43 = load i32, ptr %15, align 4, !tbaa !9
  %44 = icmp slt i32 %43, 20
  br i1 %44, label %46, label %45

45:                                               ; preds = %42
  store i32 5, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %65

46:                                               ; preds = %42
  %47 = load ptr, ptr %7, align 8, !tbaa !5
  %48 = load i32, ptr %13, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [20 x i32], ptr %47, i64 %49
  %51 = load i32, ptr %15, align 4, !tbaa !9
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [20 x i32], ptr %50, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !9
  %55 = getelementptr inbounds %class.Tetris, ptr %16, i32 0, i32 0
  %56 = load i32, ptr %13, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [10 x [20 x i32]], ptr %55, i64 0, i64 %57
  %59 = load i32, ptr %15, align 4, !tbaa !9
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [20 x i32], ptr %58, i64 0, i64 %60
  store i32 %54, ptr %61, align 4, !tbaa !9
  br label %62

62:                                               ; preds = %46
  %63 = load i32, ptr %15, align 4, !tbaa !9
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %15, align 4, !tbaa !9
  br label %42, !llvm.loop !18

65:                                               ; preds = %45
  br label %66

66:                                               ; preds = %65
  %67 = load i32, ptr %13, align 4, !tbaa !9
  %68 = add nsw i32 %67, 1
  store i32 %68, ptr %13, align 4, !tbaa !9
  br label %29, !llvm.loop !20

69:                                               ; preds = %32
  ret void

70:                                               ; preds = %37, %33
  %71 = load ptr, ptr %11, align 8
  %72 = load i32, ptr %12, align 4
  %73 = insertvalue { ptr, i32 } poison, ptr %71, 0
  %74 = insertvalue { ptr, i32 } %73, i32 %72, 1
  resume { ptr, i32 } %74
}

declare void @_ZN5PieceC1Ei(ptr noundef nonnull align 4 dereferenceable(20), i32 noundef) unnamed_addr #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #5

attributes #0 = { mustprogress 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 = { nobuiltin allocsize(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 = { nobuiltin 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 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { builtin allocsize(0) }
attributes #7 = { nounwind }
attributes #8 = { builtin 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !13, i64 805}
!12 = !{!"_ZTS6Tetris", !7, i64 0, !10, i64 800, !13, i64 804, !13, i64 805, !6, i64 808, !6, i64 816}
!13 = !{!"bool", !7, i64 0}
!14 = !{!12, !6, i64 808}
!15 = !{!12, !6, i64 816}
!16 = !{!12, !13, i64 804}
!17 = !{!12, !10, i64 800}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}
!20 = distinct !{!20, !19}


; 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: mustprogress nounwind uwtable
declare dso_local void @_ZN6Tetris10clearBoardEv(ptr noundef nonnull align 8 dereferenceable(824)) local_unnamed_addr #0 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6TetrisC2EPA20_Kiiii(ptr noundef nonnull align 8 dereferenceable(824) %0, ptr nocapture noundef readonly %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %6 = getelementptr inbounds i8, ptr %0, i64 805
  store i8 0, ptr %6, align 1, !tbaa !5
  tail call void @_ZN6Tetris10clearBoardEv(ptr noundef nonnull align 8 dereferenceable(824) %0)
  %7 = tail call noalias noundef nonnull dereferenceable(20) ptr @_Znwm(i64 noundef 20) #5
  invoke void @_ZN5PieceC1Ei(ptr noundef nonnull align 4 dereferenceable(20) %7, i32 noundef %2)
          to label %8 unwind label %76

8:                                                ; preds = %5
  %9 = getelementptr inbounds i8, ptr %0, i64 808
  store ptr %7, ptr %9, align 8, !tbaa !12
  %10 = tail call noalias noundef nonnull dereferenceable(20) ptr @_Znwm(i64 noundef 20) #5
  invoke void @_ZN5PieceC1Ei(ptr noundef nonnull align 4 dereferenceable(20) %10, i32 noundef %3)
          to label %11 unwind label %78

11:                                               ; preds = %8
  %12 = getelementptr inbounds i8, ptr %0, i64 816
  store ptr %10, ptr %12, align 8, !tbaa !13
  %13 = getelementptr inbounds i8, ptr %0, i64 804
  store i8 0, ptr %13, align 4, !tbaa !14
  %14 = getelementptr inbounds i8, ptr %0, i64 800
  store i32 %4, ptr %14, align 8, !tbaa !15
  br label %.preheader

.preheader:                                       ; preds = %11, %.preheader
  %indvars.iv = phi i64 [ 0, %11 ], [ %indvars.iv.next, %.preheader ]
  %15 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 0
  %16 = load i32, ptr %15, align 4, !tbaa !16
  %17 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 0
  store i32 %16, ptr %17, align 8, !tbaa !16
  %18 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 1
  %19 = load i32, ptr %18, align 4, !tbaa !16
  %20 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 1
  store i32 %19, ptr %20, align 4, !tbaa !16
  %21 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 2
  %22 = load i32, ptr %21, align 4, !tbaa !16
  %23 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 2
  store i32 %22, ptr %23, align 8, !tbaa !16
  %24 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 3
  %25 = load i32, ptr %24, align 4, !tbaa !16
  %26 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 3
  store i32 %25, ptr %26, align 4, !tbaa !16
  %27 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 4
  %28 = load i32, ptr %27, align 4, !tbaa !16
  %29 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 4
  store i32 %28, ptr %29, align 8, !tbaa !16
  %30 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 5
  %31 = load i32, ptr %30, align 4, !tbaa !16
  %32 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 5
  store i32 %31, ptr %32, align 4, !tbaa !16
  %33 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 6
  %34 = load i32, ptr %33, align 4, !tbaa !16
  %35 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 6
  store i32 %34, ptr %35, align 8, !tbaa !16
  %36 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 7
  %37 = load i32, ptr %36, align 4, !tbaa !16
  %38 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 7
  store i32 %37, ptr %38, align 4, !tbaa !16
  %39 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 8
  %40 = load i32, ptr %39, align 4, !tbaa !16
  %41 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 8
  store i32 %40, ptr %41, align 8, !tbaa !16
  %42 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 9
  %43 = load i32, ptr %42, align 4, !tbaa !16
  %44 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 9
  store i32 %43, ptr %44, align 4, !tbaa !16
  %45 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 10
  %46 = load i32, ptr %45, align 4, !tbaa !16
  %47 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 10
  store i32 %46, ptr %47, align 8, !tbaa !16
  %48 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 11
  %49 = load i32, ptr %48, align 4, !tbaa !16
  %50 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 11
  store i32 %49, ptr %50, align 4, !tbaa !16
  %51 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 12
  %52 = load i32, ptr %51, align 4, !tbaa !16
  %53 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 12
  store i32 %52, ptr %53, align 8, !tbaa !16
  %54 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 13
  %55 = load i32, ptr %54, align 4, !tbaa !16
  %56 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 13
  store i32 %55, ptr %56, align 4, !tbaa !16
  %57 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 14
  %58 = load i32, ptr %57, align 4, !tbaa !16
  %59 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 14
  store i32 %58, ptr %59, align 8, !tbaa !16
  %60 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 15
  %61 = load i32, ptr %60, align 4, !tbaa !16
  %62 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 15
  store i32 %61, ptr %62, align 4, !tbaa !16
  %63 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 16
  %64 = load i32, ptr %63, align 4, !tbaa !16
  %65 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 16
  store i32 %64, ptr %65, align 8, !tbaa !16
  %66 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 17
  %67 = load i32, ptr %66, align 4, !tbaa !16
  %68 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 17
  store i32 %67, ptr %68, align 4, !tbaa !16
  %69 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 18
  %70 = load i32, ptr %69, align 4, !tbaa !16
  %71 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 18
  store i32 %70, ptr %71, align 8, !tbaa !16
  %72 = getelementptr inbounds [20 x i32], ptr %1, i64 %indvars.iv, i64 19
  %73 = load i32, ptr %72, align 4, !tbaa !16
  %74 = getelementptr inbounds [10 x [20 x i32]], ptr %0, i64 0, i64 %indvars.iv, i64 19
  store i32 %73, ptr %74, align 4, !tbaa !16
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 10
  br i1 %exitcond.not, label %75, label %.preheader, !llvm.loop !17

75:                                               ; preds = %.preheader
  ret void

76:                                               ; preds = %5
  %77 = landingpad { ptr, i32 }
          cleanup
  br label %80

78:                                               ; preds = %8
  %79 = landingpad { ptr, i32 }
          cleanup
  br label %80

80:                                               ; preds = %78, %76
  %.sink = phi ptr [ %10, %78 ], [ %7, %76 ]
  %.pn = phi { ptr, i32 } [ %79, %78 ], [ %77, %76 ]
  tail call void @_ZdlPvm(ptr noundef nonnull %.sink, i64 noundef 20) #6
  resume { ptr, i32 } %.pn
}

declare void @_ZN5PieceC1Ei(ptr noundef nonnull align 4 dereferenceable(20), i32 noundef) unnamed_addr #4

attributes #0 = { mustprogress 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 = { nobuiltin allocsize(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 = { nobuiltin 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 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 = { "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 = { builtin allocsize(0) }
attributes #6 = { builtin 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, !10, i64 805}
!6 = !{!"_ZTS6Tetris", !7, i64 0, !9, i64 800, !10, i64 804, !10, i64 805, !11, i64 808, !11, i64 816}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"int", !7, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!6, !11, i64 808}
!13 = !{!6, !11, i64 816}
!14 = !{!6, !10, i64 804}
!15 = !{!6, !9, i64 800}
!16 = !{!9, !9, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass