; LLVM IR from ImChong/Practice_LeetCode_C :: F02_Programming_Topics/F02_Algorithm/04_Backtracking/01_combine (main)

; 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"

@__const.Test3.expectRtnColSize = external hidden unnamed_addr constant [10 x i32], align 16

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

declare ptr @combine(i32 noundef, i32 noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare i32 @Validate_Array2D(i8 noundef signext, ptr noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

; 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 void @Test3() #4 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca [10 x i32], align 16
  %8 = alloca [10 x ptr], align 16
  %9 = alloca [3 x i32], align 4
  %10 = alloca [3 x i32], align 4
  %11 = alloca [3 x i32], align 4
  %12 = alloca [3 x i32], align 4
  %13 = alloca [3 x i32], align 4
  %14 = alloca [3 x i32], align 4
  %15 = alloca [3 x i32], align 4
  %16 = alloca [3 x i32], align 4
  %17 = alloca [3 x i32], align 4
  %18 = alloca [3 x i32], align 4
  %19 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #5
  store i32 5, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 3, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = call ptr @combine(i32 noundef %20, i32 noundef %21, ptr noundef %3, ptr noundef %4)
  store ptr %22, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 10, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %7) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %7, ptr align 16 @__const.Test3.expectRtnColSize, i64 40, i1 false)
  call void @llvm.lifetime.start.p0(i64 80, ptr %8) #5
  store i32 1, ptr %9, align 4, !tbaa !5
  %23 = getelementptr inbounds i32, ptr %9, i64 1
  store i32 2, ptr %23, align 4, !tbaa !5
  %24 = getelementptr inbounds i32, ptr %9, i64 2
  store i32 3, ptr %24, align 4, !tbaa !5
  %25 = getelementptr inbounds [3 x i32], ptr %9, i64 0, i64 0
  store ptr %25, ptr %8, align 8, !tbaa !9
  %26 = getelementptr inbounds ptr, ptr %8, i64 1
  store i32 1, ptr %10, align 4, !tbaa !5
  %27 = getelementptr inbounds i32, ptr %10, i64 1
  store i32 2, ptr %27, align 4, !tbaa !5
  %28 = getelementptr inbounds i32, ptr %10, i64 2
  store i32 4, ptr %28, align 4, !tbaa !5
  %29 = getelementptr inbounds [3 x i32], ptr %10, i64 0, i64 0
  store ptr %29, ptr %26, align 8, !tbaa !9
  %30 = getelementptr inbounds ptr, ptr %8, i64 2
  store i32 1, ptr %11, align 4, !tbaa !5
  %31 = getelementptr inbounds i32, ptr %11, i64 1
  store i32 2, ptr %31, align 4, !tbaa !5
  %32 = getelementptr inbounds i32, ptr %11, i64 2
  store i32 5, ptr %32, align 4, !tbaa !5
  %33 = getelementptr inbounds [3 x i32], ptr %11, i64 0, i64 0
  store ptr %33, ptr %30, align 8, !tbaa !9
  %34 = getelementptr inbounds ptr, ptr %8, i64 3
  store i32 1, ptr %12, align 4, !tbaa !5
  %35 = getelementptr inbounds i32, ptr %12, i64 1
  store i32 3, ptr %35, align 4, !tbaa !5
  %36 = getelementptr inbounds i32, ptr %12, i64 2
  store i32 4, ptr %36, align 4, !tbaa !5
  %37 = getelementptr inbounds [3 x i32], ptr %12, i64 0, i64 0
  store ptr %37, ptr %34, align 8, !tbaa !9
  %38 = getelementptr inbounds ptr, ptr %8, i64 4
  store i32 1, ptr %13, align 4, !tbaa !5
  %39 = getelementptr inbounds i32, ptr %13, i64 1
  store i32 3, ptr %39, align 4, !tbaa !5
  %40 = getelementptr inbounds i32, ptr %13, i64 2
  store i32 5, ptr %40, align 4, !tbaa !5
  %41 = getelementptr inbounds [3 x i32], ptr %13, i64 0, i64 0
  store ptr %41, ptr %38, align 8, !tbaa !9
  %42 = getelementptr inbounds ptr, ptr %8, i64 5
  store i32 1, ptr %14, align 4, !tbaa !5
  %43 = getelementptr inbounds i32, ptr %14, i64 1
  store i32 4, ptr %43, align 4, !tbaa !5
  %44 = getelementptr inbounds i32, ptr %14, i64 2
  store i32 5, ptr %44, align 4, !tbaa !5
  %45 = getelementptr inbounds [3 x i32], ptr %14, i64 0, i64 0
  store ptr %45, ptr %42, align 8, !tbaa !9
  %46 = getelementptr inbounds ptr, ptr %8, i64 6
  store i32 2, ptr %15, align 4, !tbaa !5
  %47 = getelementptr inbounds i32, ptr %15, i64 1
  store i32 3, ptr %47, align 4, !tbaa !5
  %48 = getelementptr inbounds i32, ptr %15, i64 2
  store i32 4, ptr %48, align 4, !tbaa !5
  %49 = getelementptr inbounds [3 x i32], ptr %15, i64 0, i64 0
  store ptr %49, ptr %46, align 8, !tbaa !9
  %50 = getelementptr inbounds ptr, ptr %8, i64 7
  store i32 2, ptr %16, align 4, !tbaa !5
  %51 = getelementptr inbounds i32, ptr %16, i64 1
  store i32 3, ptr %51, align 4, !tbaa !5
  %52 = getelementptr inbounds i32, ptr %16, i64 2
  store i32 5, ptr %52, align 4, !tbaa !5
  %53 = getelementptr inbounds [3 x i32], ptr %16, i64 0, i64 0
  store ptr %53, ptr %50, align 8, !tbaa !9
  %54 = getelementptr inbounds ptr, ptr %8, i64 8
  store i32 2, ptr %17, align 4, !tbaa !5
  %55 = getelementptr inbounds i32, ptr %17, i64 1
  store i32 4, ptr %55, align 4, !tbaa !5
  %56 = getelementptr inbounds i32, ptr %17, i64 2
  store i32 5, ptr %56, align 4, !tbaa !5
  %57 = getelementptr inbounds [3 x i32], ptr %17, i64 0, i64 0
  store ptr %57, ptr %54, align 8, !tbaa !9
  %58 = getelementptr inbounds ptr, ptr %8, i64 9
  store i32 3, ptr %18, align 4, !tbaa !5
  %59 = getelementptr inbounds i32, ptr %18, i64 1
  store i32 4, ptr %59, align 4, !tbaa !5
  %60 = getelementptr inbounds i32, ptr %18, i64 2
  store i32 5, ptr %60, align 4, !tbaa !5
  %61 = getelementptr inbounds [3 x i32], ptr %18, i64 0, i64 0
  store ptr %61, ptr %58, align 8, !tbaa !9
  %62 = getelementptr inbounds [10 x ptr], ptr %8, i64 0, i64 0
  %63 = load i32, ptr %6, align 4, !tbaa !5
  %64 = getelementptr inbounds [10 x i32], ptr %7, i64 0, i64 0
  %65 = load ptr, ptr %5, align 8, !tbaa !9
  %66 = load i32, ptr %3, align 4, !tbaa !5
  %67 = load ptr, ptr %4, align 8, !tbaa !9
  %68 = call i32 @Validate_Array2D(i8 noundef signext 51, ptr noundef %62, i32 noundef %63, ptr noundef %64, ptr noundef %65, i32 noundef %66, ptr noundef %67, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #5
  store i32 0, ptr %19, align 4, !tbaa !5
  br label %69

69:                                               ; preds = %80, %0
  %70 = load i32, ptr %19, align 4, !tbaa !5
  %71 = load i32, ptr %3, align 4, !tbaa !5
  %72 = icmp slt i32 %70, %71
  br i1 %72, label %74, label %73

73:                                               ; preds = %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  br label %83

74:                                               ; preds = %69
  %75 = load ptr, ptr %5, align 8, !tbaa !9
  %76 = load i32, ptr %19, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds ptr, ptr %75, i64 %77
  %79 = load ptr, ptr %78, align 8, !tbaa !9
  call void @free(ptr noundef %79) #5
  br label %80

80:                                               ; preds = %74
  %81 = load i32, ptr %19, align 4, !tbaa !5
  %82 = add nsw i32 %81, 1
  store i32 %82, ptr %19, align 4, !tbaa !5
  br label %69, !llvm.loop !11

83:                                               ; preds = %73
  %84 = load ptr, ptr %5, align 8, !tbaa !9
  call void @free(ptr noundef %84) #5
  %85 = load ptr, ptr %4, align 8, !tbaa !9
  call void @free(ptr noundef %85) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #5
  ret void
}

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #5 = { 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, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@__const.Test3.expectRtnColSize = external hidden unnamed_addr constant [10 x i32], align 16

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

declare ptr @combine(i32 noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare i32 @Validate_Array2D(i8 noundef signext, ptr noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress 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 void @Test3() local_unnamed_addr #4 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca [10 x i32], align 16
  %4 = alloca [10 x ptr], align 16
  %5 = alloca [3 x i32], align 4
  %6 = alloca [3 x i32], align 4
  %7 = alloca [3 x i32], align 4
  %8 = alloca [3 x i32], align 4
  %9 = alloca [3 x i32], align 4
  %10 = alloca [3 x i32], align 4
  %11 = alloca [3 x i32], align 4
  %12 = alloca [3 x i32], align 4
  %13 = alloca [3 x i32], align 4
  %14 = alloca [3 x i32], align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %15 = call ptr @combine(i32 noundef 5, i32 noundef 3, ptr noundef nonnull %1, ptr noundef nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(40) %3, ptr noundef nonnull align 16 dereferenceable(40) @__const.Test3.expectRtnColSize, i64 40, i1 false)
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %4) #5
  store i32 1, ptr %5, align 4, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %5, i64 4
  store i32 2, ptr %16, align 4, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %5, i64 8
  store i32 3, ptr %17, align 4, !tbaa !5
  store ptr %5, ptr %4, align 16, !tbaa !9
  %18 = getelementptr inbounds i8, ptr %4, i64 8
  store i32 1, ptr %6, align 4, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %6, i64 4
  store i32 2, ptr %19, align 4, !tbaa !5
  %20 = getelementptr inbounds i8, ptr %6, i64 8
  store i32 4, ptr %20, align 4, !tbaa !5
  store ptr %6, ptr %18, align 8, !tbaa !9
  %21 = getelementptr inbounds i8, ptr %4, i64 16
  store i32 1, ptr %7, align 4, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %7, i64 4
  store i32 2, ptr %22, align 4, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %7, i64 8
  store i32 5, ptr %23, align 4, !tbaa !5
  store ptr %7, ptr %21, align 16, !tbaa !9
  %24 = getelementptr inbounds i8, ptr %4, i64 24
  store i32 1, ptr %8, align 4, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %8, i64 4
  store i32 3, ptr %25, align 4, !tbaa !5
  %26 = getelementptr inbounds i8, ptr %8, i64 8
  store i32 4, ptr %26, align 4, !tbaa !5
  store ptr %8, ptr %24, align 8, !tbaa !9
  %27 = getelementptr inbounds i8, ptr %4, i64 32
  store i32 1, ptr %9, align 4, !tbaa !5
  %28 = getelementptr inbounds i8, ptr %9, i64 4
  store i32 3, ptr %28, align 4, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %9, i64 8
  store i32 5, ptr %29, align 4, !tbaa !5
  store ptr %9, ptr %27, align 16, !tbaa !9
  %30 = getelementptr inbounds i8, ptr %4, i64 40
  store i32 1, ptr %10, align 4, !tbaa !5
  %31 = getelementptr inbounds i8, ptr %10, i64 4
  store i32 4, ptr %31, align 4, !tbaa !5
  %32 = getelementptr inbounds i8, ptr %10, i64 8
  store i32 5, ptr %32, align 4, !tbaa !5
  store ptr %10, ptr %30, align 8, !tbaa !9
  %33 = getelementptr inbounds i8, ptr %4, i64 48
  store i32 2, ptr %11, align 4, !tbaa !5
  %34 = getelementptr inbounds i8, ptr %11, i64 4
  store i32 3, ptr %34, align 4, !tbaa !5
  %35 = getelementptr inbounds i8, ptr %11, i64 8
  store i32 4, ptr %35, align 4, !tbaa !5
  store ptr %11, ptr %33, align 16, !tbaa !9
  %36 = getelementptr inbounds i8, ptr %4, i64 56
  store i32 2, ptr %12, align 4, !tbaa !5
  %37 = getelementptr inbounds i8, ptr %12, i64 4
  store i32 3, ptr %37, align 4, !tbaa !5
  %38 = getelementptr inbounds i8, ptr %12, i64 8
  store i32 5, ptr %38, align 4, !tbaa !5
  store ptr %12, ptr %36, align 8, !tbaa !9
  %39 = getelementptr inbounds i8, ptr %4, i64 64
  store i32 2, ptr %13, align 4, !tbaa !5
  %40 = getelementptr inbounds i8, ptr %13, i64 4
  store i32 4, ptr %40, align 4, !tbaa !5
  %41 = getelementptr inbounds i8, ptr %13, i64 8
  store i32 5, ptr %41, align 4, !tbaa !5
  store ptr %13, ptr %39, align 16, !tbaa !9
  %42 = getelementptr inbounds i8, ptr %4, i64 72
  store i32 3, ptr %14, align 4, !tbaa !5
  %43 = getelementptr inbounds i8, ptr %14, i64 4
  store i32 4, ptr %43, align 4, !tbaa !5
  %44 = getelementptr inbounds i8, ptr %14, i64 8
  store i32 5, ptr %44, align 4, !tbaa !5
  store ptr %14, ptr %42, align 8, !tbaa !9
  %45 = load i32, ptr %1, align 4, !tbaa !5
  %46 = load ptr, ptr %2, align 8, !tbaa !9
  %47 = call i32 @Validate_Array2D(i8 noundef signext 51, ptr noundef nonnull %4, i32 noundef 10, ptr noundef nonnull %3, ptr noundef %15, i32 noundef %45, ptr noundef %46, i32 noundef 0) #5
  %48 = load i32, ptr %1, align 4, !tbaa !5
  %49 = icmp sgt i32 %48, 0
  br i1 %49, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @free(ptr noundef %15) #5
  %50 = load ptr, ptr %2, align 8, !tbaa !9
  call void @free(ptr noundef %50) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret void

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %51 = getelementptr inbounds ptr, ptr %15, i64 %indvars.iv
  %52 = load ptr, ptr %51, align 8, !tbaa !9
  call void @free(ptr noundef %52) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %53 = load i32, ptr %1, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = icmp slt i64 %indvars.iv.next, %54
  br i1 %55, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 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 }

!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, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass