; LLVM IR from AlgoGenesis/C :: Sorting Algorithms/Partition Sort (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"

@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [16 x i8], align 1

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

; 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
declare dso_local void @partitionSort(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @printArray(ptr noundef, i32 noundef) #1

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

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #1 {
  %1 = alloca i32, align 4
  %2 = alloca [20 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 80, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 100, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %18, %0
  %7 = load i32, ptr %4, align 4, !tbaa !5
  %8 = icmp slt i32 %7, 20
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %21

10:                                               ; preds = %6
  %11 = call i32 @rand() #4
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = srem i32 %11, %12
  %14 = add nsw i32 %13, 1
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %16
  store i32 %14, ptr %17, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %10
  %19 = load i32, ptr %4, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %4, align 4, !tbaa !5
  br label %6, !llvm.loop !9

21:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 20, ptr %5, align 4, !tbaa !5
  %22 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  %23 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 0
  %24 = load i32, ptr %5, align 4, !tbaa !5
  call void @printArray(ptr noundef %23, i32 noundef %24)
  %25 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 0
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = sub nsw i32 %26, 1
  call void @partitionSort(ptr noundef %25, i32 noundef 0, i32 noundef %27)
  %28 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  %29 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 0
  %30 = load i32, ptr %5, align 4, !tbaa !5
  call void @printArray(ptr noundef %29, i32 noundef %30)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #4
  ret i32 0
}

; Function Attrs: nounwind
declare i32 @rand() #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 "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"}


; 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.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [16 x i8], align 1

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

; 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
declare dso_local void @partitionSort(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @printArray(ptr noundef, i32 noundef) local_unnamed_addr #1

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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = alloca [20 x i32], align 16
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %1) #4
  %2 = tail call i32 @rand() #4
  %3 = tail call i32 @rand() #4
  %4 = tail call i32 @rand() #4
  %5 = tail call i32 @rand() #4
  %6 = insertelement <4 x i32> poison, i32 %2, i64 0
  %7 = insertelement <4 x i32> %6, i32 %3, i64 1
  %8 = insertelement <4 x i32> %7, i32 %4, i64 2
  %9 = insertelement <4 x i32> %8, i32 %5, i64 3
  %10 = srem <4 x i32> %9, <i32 100, i32 100, i32 100, i32 100>
  %11 = add nsw <4 x i32> %10, <i32 1, i32 1, i32 1, i32 1>
  store <4 x i32> %11, ptr %1, align 16, !tbaa !5
  %12 = tail call i32 @rand() #4
  %13 = getelementptr inbounds i8, ptr %1, i64 16
  %14 = tail call i32 @rand() #4
  %15 = tail call i32 @rand() #4
  %16 = tail call i32 @rand() #4
  %17 = insertelement <4 x i32> poison, i32 %12, i64 0
  %18 = insertelement <4 x i32> %17, i32 %14, i64 1
  %19 = insertelement <4 x i32> %18, i32 %15, i64 2
  %20 = insertelement <4 x i32> %19, i32 %16, i64 3
  %21 = srem <4 x i32> %20, <i32 100, i32 100, i32 100, i32 100>
  %22 = add nsw <4 x i32> %21, <i32 1, i32 1, i32 1, i32 1>
  store <4 x i32> %22, ptr %13, align 16, !tbaa !5
  %23 = tail call i32 @rand() #4
  %24 = getelementptr inbounds i8, ptr %1, i64 32
  %25 = tail call i32 @rand() #4
  %26 = tail call i32 @rand() #4
  %27 = tail call i32 @rand() #4
  %28 = insertelement <4 x i32> poison, i32 %23, i64 0
  %29 = insertelement <4 x i32> %28, i32 %25, i64 1
  %30 = insertelement <4 x i32> %29, i32 %26, i64 2
  %31 = insertelement <4 x i32> %30, i32 %27, i64 3
  %32 = srem <4 x i32> %31, <i32 100, i32 100, i32 100, i32 100>
  %33 = add nsw <4 x i32> %32, <i32 1, i32 1, i32 1, i32 1>
  store <4 x i32> %33, ptr %24, align 16, !tbaa !5
  %34 = tail call i32 @rand() #4
  %35 = getelementptr inbounds i8, ptr %1, i64 48
  %36 = tail call i32 @rand() #4
  %37 = tail call i32 @rand() #4
  %38 = tail call i32 @rand() #4
  %39 = insertelement <4 x i32> poison, i32 %34, i64 0
  %40 = insertelement <4 x i32> %39, i32 %36, i64 1
  %41 = insertelement <4 x i32> %40, i32 %37, i64 2
  %42 = insertelement <4 x i32> %41, i32 %38, i64 3
  %43 = srem <4 x i32> %42, <i32 100, i32 100, i32 100, i32 100>
  %44 = add nsw <4 x i32> %43, <i32 1, i32 1, i32 1, i32 1>
  store <4 x i32> %44, ptr %35, align 16, !tbaa !5
  %45 = tail call i32 @rand() #4
  %46 = getelementptr inbounds i8, ptr %1, i64 64
  %47 = tail call i32 @rand() #4
  %48 = tail call i32 @rand() #4
  %49 = tail call i32 @rand() #4
  %50 = insertelement <4 x i32> poison, i32 %45, i64 0
  %51 = insertelement <4 x i32> %50, i32 %47, i64 1
  %52 = insertelement <4 x i32> %51, i32 %48, i64 2
  %53 = insertelement <4 x i32> %52, i32 %49, i64 3
  %54 = srem <4 x i32> %53, <i32 100, i32 100, i32 100, i32 100>
  %55 = add nsw <4 x i32> %54, <i32 1, i32 1, i32 1, i32 1>
  store <4 x i32> %55, ptr %46, align 16, !tbaa !5
  %56 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  call void @printArray(ptr noundef nonnull %1, i32 noundef 20)
  call void @partitionSort(ptr noundef nonnull %1, i32 noundef 0, i32 noundef 19)
  %57 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  call void @printArray(ptr noundef nonnull %1, i32 noundef 20)
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #4
  ret i32 0
}

; Function Attrs: nounwind
declare i32 @rand() local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 "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"}


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