; LLVM IR from wkoszek/kmnsim :: src (all)

; 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 [58 x i8], align 1
@.str.107 = external hidden unnamed_addr constant [10 x i8], align 1
@__PRETTY_FUNCTION__.string_to_ethernet = external hidden unnamed_addr constant [53 x i8], align 1
@.str.108 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

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

; Function Attrs: nounwind uwtable
define dso_local i32 @string_to_ethernet(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %9

8:                                                ; preds = %2
  br label %10

9:                                                ; preds = %2
  call void @__assert_fail(ptr noundef @.str.107, ptr noundef @.str.2, i32 noundef 1317, ptr noundef @__PRETTY_FUNCTION__.string_to_ethernet) #3
  unreachable

10:                                               ; preds = %8
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = getelementptr inbounds i32, ptr %12, i64 0
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds i32, ptr %14, i64 1
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds i32, ptr %16, i64 2
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = getelementptr inbounds i32, ptr %18, i64 3
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds i32, ptr %20, i64 4
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds i32, ptr %22, i64 5
  %24 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %11, ptr noundef @.str.108, ptr noundef %13, ptr noundef %15, ptr noundef %17, ptr noundef %19, ptr noundef %21, ptr noundef %23) #4
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = call i32 @ethernet_mac_valid(ptr noundef %25)
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %29, label %28

28:                                               ; preds = %10
  store i32 -1, ptr %3, align 4
  br label %30

29:                                               ; preds = %10
  store i32 0, ptr %3, align 4
  br label %30

30:                                               ; preds = %29, %28
  %31 = load i32, ptr %3, align 4
  ret i32 %31
}

; Function Attrs: nounwind
declare i32 @__isoc99_sscanf(ptr noundef, ptr noundef, ...) #2

attributes #0 = { noreturn 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 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 "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 = { noreturn nounwind }
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 = !{!"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"

@.str.2 = external hidden unnamed_addr constant [58 x i8], align 1
@.str.107 = external hidden unnamed_addr constant [10 x i8], align 1
@__PRETTY_FUNCTION__.string_to_ethernet = external hidden unnamed_addr constant [53 x i8], align 1
@.str.108 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @string_to_ethernet(ptr noundef readonly %0, ptr noundef %1) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %3, label %4

3:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.107, ptr noundef nonnull @.str.2, i32 noundef 1317, ptr noundef nonnull @__PRETTY_FUNCTION__.string_to_ethernet) #3
  unreachable

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %1, i64 4
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = getelementptr inbounds i8, ptr %1, i64 12
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  %9 = getelementptr inbounds i8, ptr %1, i64 20
  %10 = tail call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef nonnull %0, ptr noundef nonnull @.str.108, ptr noundef %1, ptr noundef nonnull %5, ptr noundef nonnull %6, ptr noundef nonnull %7, ptr noundef nonnull %8, ptr noundef nonnull %9) #4
  %11 = tail call i32 @ethernet_mac_valid(ptr noundef %1)
  %.not10 = icmp eq i32 %11, 0
  %. = sext i1 %.not10 to i32
  ret i32 %.
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_sscanf(ptr nocapture noundef readonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

attributes #0 = { noreturn 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 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 = { noreturn nounwind }
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)"}


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