; LLVM IR from aws/s2n-tls :: tests/cbmc/stubs (s2n_hash_copy)

; 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_result = type { i32 }
%struct.s2n_hash_state = type { ptr, i32, i8, i64, %union.anon }
%union.anon = type { %struct.s2n_hash_evp_digest }
%struct.s2n_hash_evp_digest = type { %struct.s2n_evp_digest, %struct.s2n_evp_digest }
%struct.s2n_evp_digest = type { ptr, ptr }
%struct.s2n_hash = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [102 x i8], align 1
@_s2n_debug_info = external thread_local global %struct.s2n_debug_info, align 8
@s2n_errno = external thread_local global i32, align 4

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_hash_copy(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %struct.s2n_result, align 4
  %7 = alloca %struct.s2n_result, align 4
  %8 = alloca %struct.s2n_result, align 4
  %9 = alloca %struct.s2n_result, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %2
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call i32 @s2n_hash_state_validate(ptr noundef %11)
  %13 = getelementptr inbounds %struct.s2n_result, ptr %7, i32 0, i32 0
  store i32 %12, ptr %13, align 4
  %14 = getelementptr inbounds %struct.s2n_result, ptr %7, i32 0, i32 0
  %15 = load i32, ptr %14, align 4
  %16 = call zeroext i1 @s2n_result_is_ok(i32 %15)
  %17 = xor i1 %16, true
  %18 = xor i1 %17, true
  %19 = zext i1 %18 to i32
  %20 = sext i32 %19 to i64
  %21 = call i64 @llvm.expect.i64(i64 %20, i64 1)
  %22 = icmp ne i64 %21, 0
  br i1 %22, label %23, label %25

23:                                               ; preds = %10
  %24 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  store i32 0, ptr %24, align 4, !tbaa !9
  br label %27

25:                                               ; preds = %10
  %26 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  store i32 -1, ptr %26, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %25, %23
  %28 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  %29 = load i32, ptr %28, align 4
  %30 = call zeroext i1 @s2n_result_is_ok(i32 %29)
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  store i32 -1, ptr %3, align 4
  br label %101

32:                                               ; preds = %27
  br label %33

33:                                               ; preds = %32
  br label %34

34:                                               ; preds = %33
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = call i32 @s2n_hash_state_validate(ptr noundef %35)
  %37 = getelementptr inbounds %struct.s2n_result, ptr %9, i32 0, i32 0
  store i32 %36, ptr %37, align 4
  %38 = getelementptr inbounds %struct.s2n_result, ptr %9, i32 0, i32 0
  %39 = load i32, ptr %38, align 4
  %40 = call zeroext i1 @s2n_result_is_ok(i32 %39)
  %41 = xor i1 %40, true
  %42 = xor i1 %41, true
  %43 = zext i1 %42 to i32
  %44 = sext i32 %43 to i64
  %45 = call i64 @llvm.expect.i64(i64 %44, i64 1)
  %46 = icmp ne i64 %45, 0
  br i1 %46, label %47, label %49

47:                                               ; preds = %34
  %48 = getelementptr inbounds %struct.s2n_result, ptr %8, i32 0, i32 0
  store i32 0, ptr %48, align 4, !tbaa !9
  br label %51

49:                                               ; preds = %34
  %50 = getelementptr inbounds %struct.s2n_result, ptr %8, i32 0, i32 0
  store i32 -1, ptr %50, align 4, !tbaa !9
  br label %51

51:                                               ; preds = %49, %47
  %52 = getelementptr inbounds %struct.s2n_result, ptr %8, i32 0, i32 0
  %53 = load i32, ptr %52, align 4
  %54 = call zeroext i1 @s2n_result_is_ok(i32 %53)
  br i1 %54, label %56, label %55

55:                                               ; preds = %51
  store i32 -1, ptr %3, align 4
  br label %101

56:                                               ; preds = %51
  br label %57

57:                                               ; preds = %56
  br label %58

58:                                               ; preds = %57
  %59 = load ptr, ptr %5, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.s2n_hash_state, ptr %59, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8, !tbaa !12
  %62 = getelementptr inbounds %struct.s2n_hash, ptr %61, i32 0, i32 4
  %63 = load ptr, ptr %62, align 8, !tbaa !15
  %64 = icmp ne ptr %63, null
  br i1 %64, label %96, label %65

65:                                               ; preds = %58
  br label %66

66:                                               ; preds = %65
  br label %67

67:                                               ; preds = %66
  %68 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %69 = getelementptr inbounds %struct.s2n_debug_info, ptr %68, i32 0, i32 0
  store ptr @.str, ptr %69, align 8, !tbaa !17
  %70 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %71 = getelementptr inbounds %struct.s2n_debug_info, ptr %70, i32 0, i32 0
  %72 = load ptr, ptr %71, align 8, !tbaa !17
  %73 = getelementptr inbounds i8, ptr %72, i64 21
  %74 = call ptr @strrchr(ptr noundef %73, i32 noundef 47) #6
  %75 = icmp ne ptr %74, null
  br i1 %75, label %76, label %83

76:                                               ; preds = %67
  %77 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %78 = getelementptr inbounds %struct.s2n_debug_info, ptr %77, i32 0, i32 0
  %79 = load ptr, ptr %78, align 8, !tbaa !17
  %80 = getelementptr inbounds i8, ptr %79, i64 21
  %81 = call ptr @strrchr(ptr noundef %80, i32 noundef 47) #6
  %82 = getelementptr inbounds i8, ptr %81, i64 1
  br label %88

83:                                               ; preds = %67
  %84 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %85 = getelementptr inbounds %struct.s2n_debug_info, ptr %84, i32 0, i32 0
  %86 = load ptr, ptr %85, align 8, !tbaa !17
  %87 = getelementptr inbounds i8, ptr %86, i64 21
  br label %88

88:                                               ; preds = %83, %76
  %89 = phi ptr [ %82, %76 ], [ %87, %83 ]
  %90 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  %91 = getelementptr inbounds %struct.s2n_debug_info, ptr %90, i32 0, i32 1
  store ptr %89, ptr %91, align 8, !tbaa !19
  %92 = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %92, align 4, !tbaa !20
  %93 = call i32 @s2n_calculate_stacktrace()
  br label %94

94:                                               ; preds = %88
  store i32 -1, ptr %3, align 4
  br label %101

95:                                               ; No predecessors!
  br label %96

96:                                               ; preds = %95, %58
  br label %97

97:                                               ; preds = %96
  %98 = call zeroext i1 (...) @nondet_bool()
  %99 = zext i1 %98 to i64
  %100 = select i1 %98, i32 0, i32 -1
  store i32 %100, ptr %3, align 4
  br label %101

101:                                              ; preds = %97, %94, %55, %31
  %102 = load i32, ptr %3, align 4
  ret i32 %102
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @s2n_result_is_ok(i32) #1

declare i32 @s2n_hash_state_validate(ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #4

; Function Attrs: nounwind willreturn memory(read)
declare ptr @strrchr(ptr noundef, i32 noundef) #5

declare i32 @s2n_calculate_stacktrace() #2

declare zeroext i1 @nondet_bool(...) #2

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 = { inlinehint 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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 #6 = { 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, !11, i64 0}
!10 = !{!"", !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !6, i64 0}
!13 = !{!"s2n_hash_state", !6, i64 0, !11, i64 8, !7, i64 12, !14, i64 16, !7, i64 24}
!14 = !{!"long", !7, i64 0}
!15 = !{!16, !6, i64 32}
!16 = !{!"s2n_hash", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}
!17 = !{!18, !6, i64 0}
!18 = !{!"s2n_debug_info", !6, i64 0, !6, i64 8}
!19 = !{!18, !6, i64 8}
!20 = !{!11, !11, 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 }

@.str = external hidden unnamed_addr constant [102 x i8], align 1
@_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

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_hash_copy(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call i32 @s2n_hash_state_validate(ptr noundef %0) #5
  %4 = tail call zeroext i1 @s2n_result_is_ok(i32 %3)
  %not.9 = xor i1 %4, true
  %. = sext i1 %not.9 to i32
  %5 = tail call zeroext i1 @s2n_result_is_ok(i32 %.)
  br i1 %5, label %6, label %25

6:                                                ; preds = %2
  %7 = tail call i32 @s2n_hash_state_validate(ptr noundef %1) #5
  %8 = tail call zeroext i1 @s2n_result_is_ok(i32 %7)
  %not.10 = xor i1 %8, true
  %.8 = sext i1 %not.10 to i32
  %9 = tail call zeroext i1 @s2n_result_is_ok(i32 %.8)
  br i1 %9, label %10, label %25

10:                                               ; preds = %6
  %11 = load ptr, ptr %1, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %11, i64 32
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  %.not = icmp eq ptr %13, null
  br i1 %.not, label %14, label %22

14:                                               ; preds = %10
  %15 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @_s2n_debug_info)
  store ptr @.str, ptr %15, align 8, !tbaa !14
  %16 = tail call ptr @strrchr(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @.str, i64 21), i32 noundef 47) #6
  %.not7 = icmp eq ptr %16, null
  %17 = getelementptr inbounds i8, ptr %16, i64 1
  %18 = select i1 %.not7, ptr getelementptr inbounds (i8, ptr @.str, i64 21), ptr %17
  %19 = getelementptr inbounds i8, ptr %15, i64 8
  store ptr %18, ptr %19, align 8, !tbaa !16
  %20 = tail call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @s2n_errno)
  store i32 402653193, ptr %20, align 4, !tbaa !17
  %21 = tail call i32 @s2n_calculate_stacktrace() #5
  br label %25

22:                                               ; preds = %10
  %23 = tail call zeroext i1 (...) @nondet_bool() #5
  %not. = xor i1 %23, true
  %24 = sext i1 %not. to i32
  br label %25

25:                                               ; preds = %6, %2, %22, %14
  %.0 = phi i32 [ %24, %22 ], [ -1, %14 ], [ -1, %2 ], [ -1, %6 ]
  ret i32 %.0
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @s2n_result_is_ok(i32) local_unnamed_addr #1

declare i32 @s2n_hash_state_validate(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #3

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare ptr @strrchr(ptr noundef, i32 noundef) local_unnamed_addr #4

declare i32 @s2n_calculate_stacktrace() local_unnamed_addr #2

declare zeroext i1 @nondet_bool(...) local_unnamed_addr #2

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 = { inlinehint 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 = { "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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { 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_hash_state", !7, i64 0, !10, i64 8, !8, i64 12, !11, i64 16, !8, 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 = !{!"long", !8, i64 0}
!12 = !{!13, !7, i64 32}
!13 = !{!"s2n_hash", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48}
!14 = !{!15, !7, i64 0}
!15 = !{!"s2n_debug_info", !7, i64 0, !7, i64 8}
!16 = !{!15, !7, i64 8}
!17 = !{!10, !10, i64 0}


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