; LLVM IR from Discngine/fpocket :: src (mdpmain)

; 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.s_mdparams = type { ptr, [2000 x i8], ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, ptr, i32, i32, [3 x float], float, i16, [3 x i16] }

; 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 ptr, align 8
  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 8, ptr %6) #3
  %7 = load i32, ptr %4, align 4, !tbaa !5
  %8 = load ptr, ptr %5, align 8, !tbaa !9
  %9 = call ptr @get_mdpocket_args(i32 noundef %7, ptr noundef %8)
  store ptr %9, ptr %6, align 8, !tbaa !9
  %10 = load ptr, ptr %6, align 8, !tbaa !9
  %11 = icmp ne ptr %10, null
  br i1 %11, label %12, label %21

12:                                               ; preds = %2
  %13 = load ptr, ptr %6, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.s_mdparams, ptr %13, i32 0, i32 1
  %15 = getelementptr inbounds [2000 x i8], ptr %14, i64 0, i64 0
  %16 = load i8, ptr %15, align 8, !tbaa !11
  %17 = sext i8 %16 to i32
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %21

19:                                               ; preds = %12
  %20 = load ptr, ptr %6, align 8, !tbaa !9
  call void @mdpocket_detect(ptr noundef %20)
  br label %27

21:                                               ; preds = %12, %2
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  %23 = icmp ne ptr %22, null
  br i1 %23, label %24, label %26

24:                                               ; preds = %21
  %25 = load ptr, ptr %6, align 8, !tbaa !9
  call void @mdpocket_characterize(ptr noundef %25)
  br label %26

26:                                               ; preds = %24, %21
  br label %27

27:                                               ; preds = %26, %19
  %28 = load ptr, ptr %6, align 8, !tbaa !9
  call void @free_mdparams(ptr noundef %28)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #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 ptr @get_mdpocket_args(i32 noundef, ptr noundef) #2

declare void @mdpocket_detect(ptr noundef) #2

declare void @mdpocket_characterize(ptr noundef) #2

declare void @free_mdparams(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 = !{!7, !7, i64 0}


; 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"

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call ptr @get_mdpocket_args(i32 noundef %0, ptr noundef %1) #2
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %.critedge, label %4

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %3, i64 8
  %6 = load i8, ptr %5, align 8, !tbaa !5
  %7 = icmp eq i8 %6, 0
  br i1 %7, label %8, label %9

8:                                                ; preds = %4
  tail call void @mdpocket_detect(ptr noundef nonnull %3) #2
  br label %.critedge

9:                                                ; preds = %4
  tail call void @mdpocket_characterize(ptr noundef nonnull %3) #2
  br label %.critedge

.critedge:                                        ; preds = %2, %9, %8
  tail call void @free_mdparams(ptr noundef %3) #2
  ret i32 0
}

declare ptr @get_mdpocket_args(i32 noundef, ptr noundef) local_unnamed_addr #1

declare void @mdpocket_detect(ptr noundef) local_unnamed_addr #1

declare void @mdpocket_characterize(ptr noundef) local_unnamed_addr #1

declare void @free_mdparams(ptr 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass