; LLVM IR from AlgoGenesis/C :: Graph Algorithms/PageRank Algorithm (Program)

; 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.Edge = type { i32, i32 }

@__const.main.edges = external hidden unnamed_addr constant [4 x %struct.Edge], align 16
@.str = external hidden unnamed_addr constant [18 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @initializeGraph(ptr noundef, ptr noundef, i32 noundef) #0

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @addEdge(ptr noundef, ptr noundef, i64) #0

; Function Attrs: nounwind uwtable
declare dso_local void @calculatePageRank(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; 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
  %4 = alloca [4 x %struct.Edge], align 16
  %5 = alloca [100 x [100 x i32]], align 16
  %6 = alloca [100 x i32], align 16
  %7 = alloca [100 x double], align 16
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 4, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 4, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %4, ptr align 16 @__const.main.edges, i64 32, i1 false)
  call void @llvm.lifetime.start.p0(i64 40000, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 400, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 800, ptr %7) #4
  %10 = getelementptr inbounds [100 x [100 x i32]], ptr %5, i64 0, i64 0
  %11 = getelementptr inbounds [100 x i32], ptr %6, i64 0, i64 0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  call void @initializeGraph(ptr noundef %10, ptr noundef %11, i32 noundef %12)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %25, %0
  %14 = load i32, ptr %8, align 4, !tbaa !5
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %28

18:                                               ; preds = %13
  %19 = getelementptr inbounds [100 x [100 x i32]], ptr %5, i64 0, i64 0
  %20 = getelementptr inbounds [100 x i32], ptr %6, i64 0, i64 0
  %21 = load i32, ptr %8, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [4 x %struct.Edge], ptr %4, i64 0, i64 %22
  %24 = load i64, ptr %23, align 8
  call void @addEdge(ptr noundef %19, ptr noundef %20, i64 %24)
  br label %25

25:                                               ; preds = %18
  %26 = load i32, ptr %8, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %8, align 4, !tbaa !5
  br label %13, !llvm.loop !9

28:                                               ; preds = %17
  %29 = getelementptr inbounds [100 x [100 x i32]], ptr %5, i64 0, i64 0
  %30 = getelementptr inbounds [100 x i32], ptr %6, i64 0, i64 0
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = getelementptr inbounds [100 x double], ptr %7, i64 0, i64 0
  call void @calculatePageRank(ptr noundef %29, ptr noundef %30, i32 noundef %31, ptr noundef %32)
  %33 = call i32 (ptr, ...) @printf(ptr noundef @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %46, %28
  %35 = load i32, ptr %9, align 4, !tbaa !5
  %36 = load i32, ptr %2, align 4, !tbaa !5
  %37 = icmp slt i32 %35, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %49

39:                                               ; preds = %34
  %40 = load i32, ptr %9, align 4, !tbaa !5
  %41 = load i32, ptr %9, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [100 x double], ptr %7, i64 0, i64 %42
  %44 = load double, ptr %43, align 8, !tbaa !11
  %45 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %40, double noundef %44)
  br label %46

46:                                               ; preds = %39
  %47 = load i32, ptr %9, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %9, align 4, !tbaa !5
  br label %34, !llvm.loop !13

49:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 800, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 400, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 40000, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  ret i32 0
}

; 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 @printf(ptr noundef, ...) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 }

!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 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = distinct !{!13, !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"

%struct.Edge = type { i32, i32 }

@__const.main.edges = external hidden unnamed_addr constant [4 x %struct.Edge], align 16
@.str = external hidden unnamed_addr constant [18 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @initializeGraph(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @addEdge(ptr noundef, ptr noundef, i64) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @calculatePageRank(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [100 x [100 x i32]], align 16
  %2 = alloca [100 x i32], align 16
  %3 = alloca [100 x double], align 16
  call void @llvm.lifetime.start.p0(i64 40000, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 400, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 800, ptr nonnull %3) #3
  call void @initializeGraph(ptr noundef nonnull %1, ptr noundef nonnull %2, i32 noundef 4)
  %4 = load i64, ptr @__const.main.edges, align 16
  call void @addEdge(ptr noundef nonnull %1, ptr noundef nonnull %2, i64 %4)
  %5 = load i64, ptr getelementptr inbounds (i8, ptr @__const.main.edges, i64 8), align 8
  call void @addEdge(ptr noundef nonnull %1, ptr noundef nonnull %2, i64 %5)
  %6 = load i64, ptr getelementptr inbounds (i8, ptr @__const.main.edges, i64 16), align 16
  call void @addEdge(ptr noundef nonnull %1, ptr noundef nonnull %2, i64 %6)
  %7 = load i64, ptr getelementptr inbounds (i8, ptr @__const.main.edges, i64 24), align 8
  call void @addEdge(ptr noundef nonnull %1, ptr noundef nonnull %2, i64 %7)
  call void @calculatePageRank(ptr noundef nonnull %1, ptr noundef nonnull %2, i32 noundef 4, ptr noundef nonnull %3)
  %8 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str)
  %9 = load double, ptr %3, align 16, !tbaa !5
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef 0, double noundef %9)
  %11 = getelementptr inbounds i8, ptr %3, i64 8
  %12 = load double, ptr %11, align 8, !tbaa !5
  %13 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef 1, double noundef %12)
  %14 = getelementptr inbounds i8, ptr %3, i64 16
  %15 = load double, ptr %14, align 16, !tbaa !5
  %16 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef 2, double noundef %15)
  %17 = getelementptr inbounds i8, ptr %3, i64 24
  %18 = load double, ptr %17, align 8, !tbaa !5
  %19 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef 3, double noundef %18)
  call void @llvm.lifetime.end.p0(i64 800, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 400, ptr nonnull %2) #3
  call void @llvm.lifetime.end.p0(i64 40000, ptr nonnull %1) #3
  ret i32 0
}

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

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 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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