; LLVM IR from Aeternum-Veritas/Merry :: merry (merry_dynl)

; 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"

@stdout = external global ptr, align 8
@.str.5 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [69 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr 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
declare ptr @dlopen(ptr noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @merry_loadLib(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr @stdout, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %6, ptr noundef @.str.11, ptr noundef @.str.5, ptr noundef %7, ptr noundef @.str.6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call ptr @dlopen(ptr noundef %9, i32 noundef 258) #3
  store ptr %10, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %17

13:                                               ; preds = %1
  %14 = load ptr, ptr @stdout, align 8, !tbaa !5
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef @.str.12, ptr noundef @.str.5, ptr noundef %15, ptr noundef @.str.6) #3
  store ptr null, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %19

17:                                               ; preds = %1
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %18, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %19

19:                                               ; preds = %17, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  %20 = load ptr, ptr %2, align 8
  ret ptr %20
}

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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"

@stdout = external local_unnamed_addr global ptr, align 8
@.str.5 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [69 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nounwind
declare ptr @dlopen(ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local ptr @merry_loadLib(ptr noundef %0) local_unnamed_addr #2 {
  %2 = load ptr, ptr @stdout, align 8, !tbaa !5
  %3 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %2, ptr noundef nonnull @.str.11, ptr noundef nonnull @.str.5, ptr noundef %0, ptr noundef nonnull @.str.6) #3
  %4 = tail call ptr @dlopen(ptr noundef %0, i32 noundef 258) #3
  %5 = icmp eq ptr %4, null
  br i1 %5, label %6, label %9

6:                                                ; preds = %1
  %7 = load ptr, ptr @stdout, align 8, !tbaa !5
  %8 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %7, ptr noundef nonnull @.str.12, ptr noundef nonnull @.str.5, ptr noundef %0, ptr noundef nonnull @.str.6) #3
  br label %9

9:                                                ; preds = %1, %6
  ret ptr %4
}

attributes #0 = { 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 #1 = { 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 #2 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass