; LLVM IR from stivalaa/EstimNetDirected :: src (configparser)

; 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.attr_interaction_param_s = type { ptr, i32, i32, i32, ptr }

@ATTR_INTERACTION_PARAMS = external hidden constant [2 x %struct.attr_interaction_param_s], align 16

; 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 willreturn memory(read)
declare i32 @strcasecmp(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @get_attr_interaction_param_network_mode(ptr noundef %0) #2 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %25, %1
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = icmp ult i32 %7, 2
  br i1 %8, label %9, label %28

9:                                                ; preds = %6
  %10 = load i32, ptr %4, align 4, !tbaa !9
  %11 = zext i32 %10 to i64
  %12 = getelementptr inbounds [2 x %struct.attr_interaction_param_s], ptr @ATTR_INTERACTION_PARAMS, i64 0, i64 %11
  %13 = getelementptr inbounds %struct.attr_interaction_param_s, ptr %12, i32 0, i32 0
  %14 = load ptr, ptr %13, align 16, !tbaa !11
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = call i32 @strcasecmp(ptr noundef %14, ptr noundef %15) #4
  %17 = icmp eq i32 %16, 0
  br i1 %17, label %18, label %24

18:                                               ; preds = %9
  %19 = load i32, ptr %4, align 4, !tbaa !9
  %20 = zext i32 %19 to i64
  %21 = getelementptr inbounds [2 x %struct.attr_interaction_param_s], ptr @ATTR_INTERACTION_PARAMS, i64 0, i64 %20
  %22 = getelementptr inbounds %struct.attr_interaction_param_s, ptr %21, i32 0, i32 3
  %23 = load i32, ptr %22, align 16, !tbaa !13
  store i32 %23, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %29

24:                                               ; preds = %9
  br label %25

25:                                               ; preds = %24
  %26 = load i32, ptr %4, align 4, !tbaa !9
  %27 = add i32 %26, 1
  store i32 %27, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !14

28:                                               ; preds = %6
  store i32 0, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %29

29:                                               ; preds = %28, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %30 = load i32, ptr %2, align 4
  ret i32 %30
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind willreturn memory(read) "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 }
attributes #4 = { nounwind willreturn memory(read) }

!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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"attr_interaction_param_s", !6, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !6, i64 24}
!13 = !{!12, !10, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"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"

%struct.attr_interaction_param_s = type { ptr, i32, i32, i32, ptr }

@ATTR_INTERACTION_PARAMS = external hidden local_unnamed_addr constant [2 x %struct.attr_interaction_param_s], align 16

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @strcasecmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(read) uwtable
define dso_local i32 @get_attr_interaction_param_network_mode(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = load ptr, ptr @ATTR_INTERACTION_PARAMS, align 16, !tbaa !5
  %3 = tail call i32 @strcasecmp(ptr noundef %2, ptr noundef %0) #2
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %9, label %5

5:                                                ; preds = %1
  %6 = load ptr, ptr getelementptr inbounds (i8, ptr @ATTR_INTERACTION_PARAMS, i64 32), align 16, !tbaa !5
  %7 = tail call i32 @strcasecmp(ptr noundef %6, ptr noundef %0) #2
  %8 = icmp eq i32 %7, 0
  br i1 %8, label %9, label %.loopexit

9:                                                ; preds = %5, %1
  %.lcssa = phi ptr [ @ATTR_INTERACTION_PARAMS, %1 ], [ getelementptr inbounds (i8, ptr @ATTR_INTERACTION_PARAMS, i64 32), %5 ]
  %10 = getelementptr inbounds i8, ptr %.lcssa, i64 16
  %11 = load i32, ptr %10, align 16, !tbaa !11
  br label %.loopexit

.loopexit:                                        ; preds = %5, %9
  %.05 = phi i32 [ %11, %9 ], [ 0, %5 ]
  ret i32 %.05
}

attributes #0 = { mustprogress nofree nounwind willreturn memory(read) "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 nofree nounwind willreturn memory(read) 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 = { nounwind willreturn memory(read) }

!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, !7, i64 0}
!6 = !{!"attr_interaction_param_s", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !7, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !10, i64 16}


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