; LLVM IR from aws/s2n-tls :: crypto (s2n_dhe)

; 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.s2n_debug_info = type { ptr, ptr }
%struct.s2n_dh_params = type { ptr }

@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4
@.str.25 = external hidden unnamed_addr constant [87 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [87 x i8], align 1

; Function Attrs: nounwind uwtable
declare hidden i32 @s2n_check_p_g_dh_params(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #1

; Function Attrs: nounwind willreturn memory(read)
declare ptr @strrchr(ptr noundef, i32 noundef) #2

declare i32 @s2n_calculate_stacktrace() #3

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_dh_params_copy(ptr noundef %0, ptr noundef %1) #0 {
  %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
  br label %6

6:                                                ; preds = %2
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = call i32 @s2n_check_p_g_dh_params(ptr noundef %7)
  %9 = icmp sgt i32 %8, -1
  br i1 %9, label %11, label %10

10:                                               ; preds = %6
  store i32 -1, ptr %3, align 4
  br label %93

11:                                               ; preds = %6
  br label %12

12:                                               ; preds = %11
  br label %13

13:                                               ; preds = %12
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %47, label %16

16:                                               ; preds = %13
  br label %17

17:                                               ; preds = %16
  br label %18

18:                                               ; preds = %17
  %19 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %20 = getelementptr inbounds %struct.s2n_debug_info, ptr %19, i32 0, i32 0
  store ptr @.str.25, ptr %20, align 8, !tbaa !9
  %21 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %22 = getelementptr inbounds %struct.s2n_debug_info, ptr %21, i32 0, i32 0
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  %24 = getelementptr inbounds i8, ptr %23, i64 21
  %25 = call ptr @strrchr(ptr noundef %24, i32 noundef 47) #4
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %34

27:                                               ; preds = %18
  %28 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %29 = getelementptr inbounds %struct.s2n_debug_info, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8, !tbaa !9
  %31 = getelementptr inbounds i8, ptr %30, i64 21
  %32 = call ptr @strrchr(ptr noundef %31, i32 noundef 47) #4
  %33 = getelementptr inbounds i8, ptr %32, i64 1
  br label %39

34:                                               ; preds = %18
  %35 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %36 = getelementptr inbounds %struct.s2n_debug_info, ptr %35, i32 0, i32 0
  %37 = load ptr, ptr %36, align 8, !tbaa !9
  %38 = getelementptr inbounds i8, ptr %37, i64 21
  br label %39

39:                                               ; preds = %34, %27
  %40 = phi ptr [ %33, %27 ], [ %38, %34 ]
  %41 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %42 = getelementptr inbounds %struct.s2n_debug_info, ptr %41, i32 0, i32 1
  store ptr %40, ptr %42, align 8, !tbaa !11
  %43 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %43, align 4, !tbaa !12
  %44 = call i32 @s2n_calculate_stacktrace()
  br label %45

45:                                               ; preds = %39
  store i32 -1, ptr %3, align 4
  br label %93

46:                                               ; No predecessors!
  br label %47

47:                                               ; preds = %46, %13
  br label %48

48:                                               ; preds = %47
  %49 = load ptr, ptr %4, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.s2n_dh_params, ptr %49, i32 0, i32 0
  %51 = load ptr, ptr %50, align 8, !tbaa !14
  %52 = call ptr @DHparams_dup(ptr noundef %51)
  %53 = load ptr, ptr %5, align 8, !tbaa !5
  %54 = getelementptr inbounds %struct.s2n_dh_params, ptr %53, i32 0, i32 0
  store ptr %52, ptr %54, align 8, !tbaa !14
  br label %55

55:                                               ; preds = %48
  %56 = load ptr, ptr %5, align 8, !tbaa !5
  %57 = getelementptr inbounds %struct.s2n_dh_params, ptr %56, i32 0, i32 0
  %58 = load ptr, ptr %57, align 8, !tbaa !14
  %59 = icmp ne ptr %58, null
  br i1 %59, label %91, label %60

60:                                               ; preds = %55
  br label %61

61:                                               ; preds = %60
  br label %62

62:                                               ; preds = %61
  %63 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %64 = getelementptr inbounds %struct.s2n_debug_info, ptr %63, i32 0, i32 0
  store ptr @.str.26, ptr %64, align 8, !tbaa !9
  %65 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %66 = getelementptr inbounds %struct.s2n_debug_info, ptr %65, i32 0, i32 0
  %67 = load ptr, ptr %66, align 8, !tbaa !9
  %68 = getelementptr inbounds i8, ptr %67, i64 21
  %69 = call ptr @strrchr(ptr noundef %68, i32 noundef 47) #4
  %70 = icmp ne ptr %69, null
  br i1 %70, label %71, label %78

71:                                               ; preds = %62
  %72 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %73 = getelementptr inbounds %struct.s2n_debug_info, ptr %72, i32 0, i32 0
  %74 = load ptr, ptr %73, align 8, !tbaa !9
  %75 = getelementptr inbounds i8, ptr %74, i64 21
  %76 = call ptr @strrchr(ptr noundef %75, i32 noundef 47) #4
  %77 = getelementptr inbounds i8, ptr %76, i64 1
  br label %83

78:                                               ; preds = %62
  %79 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %80 = getelementptr inbounds %struct.s2n_debug_info, ptr %79, i32 0, i32 0
  %81 = load ptr, ptr %80, align 8, !tbaa !9
  %82 = getelementptr inbounds i8, ptr %81, i64 21
  br label %83

83:                                               ; preds = %78, %71
  %84 = phi ptr [ %77, %71 ], [ %82, %78 ]
  %85 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %86 = getelementptr inbounds %struct.s2n_debug_info, ptr %85, i32 0, i32 1
  store ptr %84, ptr %86, align 8, !tbaa !11
  %87 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 335544332, ptr %87, align 4, !tbaa !12
  %88 = call i32 @s2n_calculate_stacktrace()
  br label %89

89:                                               ; preds = %83
  store i32 -1, ptr %3, align 4
  br label %93

90:                                               ; No predecessors!
  br label %91

91:                                               ; preds = %90, %55
  br label %92

92:                                               ; preds = %91
  store i32 0, ptr %3, align 4
  br label %93

93:                                               ; preds = %92, %89, %45, %10
  %94 = load i32, ptr %3, align 4
  ret i32 %94
}

declare ptr @DHparams_dup(ptr noundef) #3

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 speculatable willreturn memory(none) }
attributes #2 = { 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 #3 = { "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 #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, !6, i64 0}
!10 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!11 = !{!10, !6, i64 8}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!15, !6, i64 0}
!15 = !{!"s2n_dh_params", !6, 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"

%struct.s2n_debug_info = type { ptr, ptr }

@_s2n_debug_info = external thread_local local_unnamed_addr global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local local_unnamed_addr global i32, align 4
@.str.25 = external hidden unnamed_addr constant [87 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [87 x i8], align 1

; Function Attrs: nounwind uwtable
declare hidden i32 @s2n_check_p_g_dh_params(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare ptr @strrchr(ptr noundef, i32 noundef) local_unnamed_addr #2

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_dh_params_copy(ptr noundef %0, ptr noundef writeonly %1) local_unnamed_addr #0 {
  %3 = tail call i32 @s2n_check_p_g_dh_params(ptr noundef %0)
  %4 = icmp sgt i32 %3, -1
  br i1 %4, label %5, label %16

5:                                                ; preds = %2
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %.sink.split, label %6

6:                                                ; preds = %5
  %7 = load ptr, ptr %0, align 8, !tbaa !5
  %8 = tail call ptr @DHparams_dup(ptr noundef %7) #4
  store ptr %8, ptr %1, align 8, !tbaa !5
  %.not9 = icmp eq ptr %8, null
  br i1 %.not9, label %.sink.split, label %16

.sink.split:                                      ; preds = %6, %5
  %.str.26.sink = phi ptr [ @.str.25, %5 ], [ @.str.26, %6 ]
  %.sink19 = phi ptr [ getelementptr inbounds (i8, ptr @.str.25, i64 21), %5 ], [ getelementptr inbounds (i8, ptr @.str.26, i64 21), %6 ]
  %.sink = phi i32 [ 402653193, %5 ], [ 335544332, %6 ]
  %9 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr %.str.26.sink, ptr %9, align 8, !tbaa !10
  %10 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) %.sink19, i32 noundef 47) #5
  %.not10 = icmp eq ptr %10, null
  %11 = getelementptr inbounds i8, ptr %10, i64 1
  %12 = select i1 %.not10, ptr %.sink19, ptr %11
  %13 = getelementptr inbounds i8, ptr %9, i64 8
  store ptr %12, ptr %13, align 8, !tbaa !12
  %14 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 %.sink, ptr %14, align 4, !tbaa !13
  %15 = tail call i32 @s2n_calculate_stacktrace() #4
  br label %16

16:                                               ; preds = %.sink.split, %6, %2
  %.0 = phi i32 [ -1, %2 ], [ 0, %6 ], [ -1, %.sink.split ]
  ret i32 %.0
}

declare ptr @DHparams_dup(ptr noundef) local_unnamed_addr #3

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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { mustprogress nofree nounwind willreturn memory(argmem: 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 #3 = { "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 #4 = { nounwind }
attributes #5 = { 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 = !{!"s2n_dh_params", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 0}
!11 = !{!"s2n_debug_info", !7, i64 0, !7, i64 8}
!12 = !{!11, !7, i64 8}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !8, i64 0}


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