; LLVM IR from whoiswelliton/Computer_Engineering_UTFPR-PB :: Embedded_Systems/TIVA Connected TM4C1294XL Projects/01 - lwIP_HTTPServer_on_TIVA (init)

; 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.lwip_cyclic_timer = type { i32, ptr }

@lwip_cyclic_timers = external dso_local constant [6 x %struct.lwip_cyclic_timer], align 16

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

; Function Attrs: nounwind uwtable
define dso_local void @sys_timeouts_init() #0 {
  %1 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #2
  store i64 1, ptr %1, align 8, !tbaa !5
  br label %2

2:                                                ; preds = %14, %0
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = icmp ult i64 %3, 6
  br i1 %4, label %5, label %17

5:                                                ; preds = %2
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = getelementptr inbounds [6 x %struct.lwip_cyclic_timer], ptr @lwip_cyclic_timers, i64 0, i64 %6
  %8 = getelementptr inbounds %struct.lwip_cyclic_timer, ptr %7, i32 0, i32 0
  %9 = load i32, ptr %8, align 16, !tbaa !9
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = getelementptr inbounds [6 x %struct.lwip_cyclic_timer], ptr @lwip_cyclic_timers, i64 0, i64 %10
  %12 = ptrtoint ptr %11 to i64
  %13 = inttoptr i64 %12 to ptr
  call void @sys_timeout(i32 noundef %9, ptr noundef @lwip_cyclic_timer, ptr noundef %13)
  br label %14

14:                                               ; preds = %5
  %15 = load i64, ptr %1, align 8, !tbaa !5
  %16 = add i64 %15, 1
  store i64 %16, ptr %1, align 8, !tbaa !5
  br label %2, !llvm.loop !13

17:                                               ; preds = %2
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #2
  ret void
}

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

; Function Attrs: nounwind uwtable
declare hidden void @lwip_cyclic_timer(ptr noundef) #0

; 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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"lwip_cyclic_timer", !11, i64 0, !12, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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.lwip_cyclic_timer = type { i32, ptr }

@lwip_cyclic_timers = external dso_local constant [6 x %struct.lwip_cyclic_timer], align 16

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

; Function Attrs: nounwind uwtable
define dso_local void @sys_timeouts_init() local_unnamed_addr #0 {
  %1 = load i32, ptr getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 16), align 16, !tbaa !5
  tail call void @sys_timeout(i32 noundef %1, ptr noundef nonnull @lwip_cyclic_timer, ptr noundef nonnull getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 16))
  %2 = load i32, ptr getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 32), align 16, !tbaa !5
  tail call void @sys_timeout(i32 noundef %2, ptr noundef nonnull @lwip_cyclic_timer, ptr noundef nonnull getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 32))
  %3 = load i32, ptr getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 48), align 16, !tbaa !5
  tail call void @sys_timeout(i32 noundef %3, ptr noundef nonnull @lwip_cyclic_timer, ptr noundef nonnull getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 48))
  %4 = load i32, ptr getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 64), align 16, !tbaa !5
  tail call void @sys_timeout(i32 noundef %4, ptr noundef nonnull @lwip_cyclic_timer, ptr noundef nonnull getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 64))
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 80), align 16, !tbaa !5
  tail call void @sys_timeout(i32 noundef %5, ptr noundef nonnull @lwip_cyclic_timer, ptr noundef nonnull getelementptr inbounds (i8, ptr @lwip_cyclic_timers, i64 80))
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @lwip_cyclic_timer(ptr noundef) #0

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" }

!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 = !{!"lwip_cyclic_timer", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}


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