; LLVM IR from smv1999/CompetitiveProgrammingQuestionBank :: General Questions (logic_pyramid)

; 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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 2, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 3, ptr %8, align 4, !tbaa !5
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 1, ptr %9, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %43, %2
  %14 = load i32, ptr %9, align 4, !tbaa !5
  %15 = load i32, ptr %6, align 4, !tbaa !5
  %16 = icmp sle i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %46

18:                                               ; preds = %13
  %19 = load i32, ptr %6, align 4, !tbaa !5
  %20 = load i32, ptr %9, align 4, !tbaa !5
  %21 = sub nsw i32 %19, %20
  %22 = mul nsw i32 %21, 3
  %23 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %22, ptr noundef @.str.2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 1, ptr %11, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %38, %18
  %25 = load i32, ptr %11, align 4, !tbaa !5
  %26 = load i32, ptr %9, align 4, !tbaa !5
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %41

29:                                               ; preds = %24
  %30 = load i32, ptr %7, align 4, !tbaa !5
  %31 = load i32, ptr %8, align 4, !tbaa !5
  %32 = mul nsw i32 %30, %31
  %33 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %32)
  %34 = load i32, ptr %7, align 4, !tbaa !5
  %35 = add nsw i32 %34, 2
  store i32 %35, ptr %7, align 4, !tbaa !5
  %36 = load i32, ptr %8, align 4, !tbaa !5
  %37 = add nsw i32 %36, 4
  store i32 %37, ptr %8, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %29
  %39 = load i32, ptr %11, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %11, align 4, !tbaa !5
  br label %24, !llvm.loop !11

41:                                               ; preds = %28
  %42 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  br label %43

43:                                               ; preds = %41
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %9, align 4, !tbaa !5
  br label %13, !llvm.loop !13

46:                                               ; preds = %17
  store i32 0, ptr %3, align 4
  store i32 1, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %47 = load i32, ptr %3, align 4
  ret i32 %47
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

declare i32 @printf(ptr noundef, ...) #2

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

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 = { "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 }

!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"}
!13 = distinct !{!13, !12}


; 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 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3)
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %.not20 = icmp slt i32 %5, 1
  br i1 %.not20, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %10, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  ret i32 0

.lr.ph:                                           ; preds = %2, %10
  %indvars.iv = phi i32 [ %indvars.iv.next, %10 ], [ 2, %2 ]
  %6 = phi i32 [ %13, %10 ], [ %5, %2 ]
  %.01123 = phi i32 [ %12, %10 ], [ 1, %2 ]
  %.01222 = phi i32 [ %18, %10 ], [ 3, %2 ]
  %.01321 = phi i32 [ %17, %10 ], [ 2, %2 ]
  %7 = sub nsw i32 %6, %.01123
  %8 = mul nsw i32 %7, 3
  %9 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %8, ptr noundef nonnull @.str.2)
  br label %14

10:                                               ; preds = %14
  %11 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  %12 = add nuw nsw i32 %.01123, 1
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.01123, %13
  %indvars.iv.next = add nuw i32 %indvars.iv, 1
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

14:                                               ; preds = %.lr.ph, %14
  %.019 = phi i32 [ 1, %.lr.ph ], [ %19, %14 ]
  %.118 = phi i32 [ %.01222, %.lr.ph ], [ %18, %14 ]
  %.11417 = phi i32 [ %.01321, %.lr.ph ], [ %17, %14 ]
  %15 = mul nsw i32 %.118, %.11417
  %16 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %15)
  %17 = add nsw i32 %.11417, 2
  %18 = add nsw i32 %.118, 4
  %19 = add nuw i32 %.019, 1
  %exitcond.not = icmp eq i32 %19, %indvars.iv
  br i1 %exitcond.not, label %10, label %14, !llvm.loop !11
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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

attributes #0 = { nofree 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 = { 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 #3 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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