; LLVM IR from bartobri/data-structures-c :: graph/adjacency-matrix (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"

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

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

4:                                                ; preds = %21, %0
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 8
  br i1 %6, label %7, label %24

7:                                                ; preds = %4
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %16, %7
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = icmp slt i32 %9, 8
  br i1 %10, label %11, label %19

11:                                               ; preds = %8
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = call i32 @graphGet(i32 noundef %12, i32 noundef %13)
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %14)
  br label %16

16:                                               ; preds = %11
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = add nsw i32 %17, 1
  store i32 %18, ptr %3, align 4, !tbaa !5
  br label %8, !llvm.loop !9

19:                                               ; preds = %8
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  br label %21

21:                                               ; preds = %19
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %2, align 4, !tbaa !5
  br label %4, !llvm.loop !11

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

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

declare void @graphInit(i32 noundef) #2

declare void @graphSet(i32 noundef, i32 noundef) #2

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

declare i32 @graphGet(i32 noundef, i32 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  tail call void @graphInit(i32 noundef 8) #3
  tail call void @graphSet(i32 noundef 0, i32 noundef 2) #3
  tail call void @graphSet(i32 noundef 1, i32 noundef 4) #3
  tail call void @graphSet(i32 noundef 2, i32 noundef 5) #3
  tail call void @graphSet(i32 noundef 3, i32 noundef 6) #3
  tail call void @graphSet(i32 noundef 0, i32 noundef 4) #3
  tail call void @graphSet(i32 noundef 6, i32 noundef 0) #3
  tail call void @graphSet(i32 noundef 1, i32 noundef 3) #3
  br label %.preheader

.preheader:                                       ; preds = %0, %.preheader
  %.068 = phi i32 [ 0, %0 ], [ %18, %.preheader ]
  %1 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 0) #3
  %2 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %1)
  %3 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 1) #3
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %3)
  %5 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 2) #3
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %5)
  %7 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 3) #3
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %7)
  %9 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 4) #3
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %9)
  %11 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 5) #3
  %12 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %11)
  %13 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 6) #3
  %14 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %13)
  %15 = tail call i32 @graphGet(i32 noundef %.068, i32 noundef 7) #3
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %15)
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  %18 = add nuw nsw i32 %.068, 1
  %exitcond.not = icmp eq i32 %18, 8
  br i1 %exitcond.not, label %19, label %.preheader, !llvm.loop !5

19:                                               ; preds = %.preheader
  ret i32 0
}

declare void @graphInit(i32 noundef) local_unnamed_addr #1

declare void @graphSet(i32 noundef, i32 noundef) local_unnamed_addr #1

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

declare i32 @graphGet(i32 noundef, i32 noundef) local_unnamed_addr #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 = { "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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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