; LLVM IR from aws/s2n-tls :: stuffer (s2n_stuffer)

; 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_result = type { i32 }
%struct.s2n_stuffer = type { %struct.s2n_blob, i32, i32, i32, i8 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }

; Function Attrs: nounwind uwtable
declare dso_local i32 @s2n_stuffer_validate(ptr noundef) #0

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_stuffer_rewrite(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %struct.s2n_result, align 4
  %5 = alloca %struct.s2n_result, align 4
  %6 = alloca %struct.s2n_result, align 4
  %7 = alloca %struct.s2n_result, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %1
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call i32 @s2n_stuffer_validate(ptr noundef %9)
  %11 = getelementptr inbounds %struct.s2n_result, ptr %5, i32 0, i32 0
  store i32 %10, ptr %11, align 4
  %12 = getelementptr inbounds %struct.s2n_result, ptr %5, i32 0, i32 0
  %13 = load i32, ptr %12, align 4
  %14 = call zeroext i1 @s2n_result_is_ok(i32 %13)
  %15 = xor i1 %14, true
  %16 = xor i1 %15, true
  %17 = zext i1 %16 to i32
  %18 = sext i32 %17 to i64
  %19 = call i64 @llvm.expect.i64(i64 %18, i64 1)
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %21, label %23

21:                                               ; preds = %8
  %22 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 0, ptr %22, align 4, !tbaa !9
  br label %25

23:                                               ; preds = %8
  %24 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  store i32 -1, ptr %24, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %23, %21
  %26 = getelementptr inbounds %struct.s2n_result, ptr %4, i32 0, i32 0
  %27 = load i32, ptr %26, align 4
  %28 = call zeroext i1 @s2n_result_is_ok(i32 %27)
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  store i32 -1, ptr %2, align 4
  br label %60

30:                                               ; preds = %25
  br label %31

31:                                               ; preds = %30
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.s2n_stuffer, ptr %32, i32 0, i32 2
  store i32 0, ptr %33, align 4, !tbaa !12
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.s2n_stuffer, ptr %34, i32 0, i32 1
  store i32 0, ptr %35, align 8, !tbaa !15
  br label %36

36:                                               ; preds = %31
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = call i32 @s2n_stuffer_validate(ptr noundef %37)
  %39 = getelementptr inbounds %struct.s2n_result, ptr %7, i32 0, i32 0
  store i32 %38, ptr %39, align 4
  %40 = getelementptr inbounds %struct.s2n_result, ptr %7, i32 0, i32 0
  %41 = load i32, ptr %40, align 4
  %42 = call zeroext i1 @s2n_result_is_ok(i32 %41)
  %43 = xor i1 %42, true
  %44 = xor i1 %43, true
  %45 = zext i1 %44 to i32
  %46 = sext i32 %45 to i64
  %47 = call i64 @llvm.expect.i64(i64 %46, i64 1)
  %48 = icmp ne i64 %47, 0
  br i1 %48, label %49, label %51

49:                                               ; preds = %36
  %50 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  store i32 0, ptr %50, align 4, !tbaa !9
  br label %53

51:                                               ; preds = %36
  %52 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  store i32 -1, ptr %52, align 4, !tbaa !9
  br label %53

53:                                               ; preds = %51, %49
  %54 = getelementptr inbounds %struct.s2n_result, ptr %6, i32 0, i32 0
  %55 = load i32, ptr %54, align 4
  %56 = call zeroext i1 @s2n_result_is_ok(i32 %55)
  br i1 %56, label %58, label %57

57:                                               ; preds = %53
  store i32 -1, ptr %2, align 4
  br label %60

58:                                               ; preds = %53
  br label %59

59:                                               ; preds = %58
  store i32 0, ptr %2, align 4
  br label %60

60:                                               ; preds = %59, %57, %29
  %61 = load i32, ptr %2, align 4
  ret i32 %61
}

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 = { nocallback nofree nosync nounwind willreturn memory(none) }

!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, !11, i64 28}
!13 = !{!"s2n_stuffer", !14, i64 0, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !11, i64 36, !11, i64 36}
!14 = !{!"s2n_blob", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16}
!15 = !{!13, !11, i64 24}


; 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"

; Function Attrs: nounwind uwtable
declare dso_local i32 @s2n_stuffer_validate(ptr noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_stuffer_rewrite(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call i32 @s2n_stuffer_validate(ptr noundef %0)
  %3 = tail call zeroext i1 @s2n_result_is_ok(i32 %2)
  %not. = xor i1 %3, true
  %. = sext i1 %not. to i32
  %4 = tail call zeroext i1 @s2n_result_is_ok(i32 %.)
  br i1 %4, label %5, label %11

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 28
  store i32 0, ptr %6, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 0, ptr %7, align 8, !tbaa !12
  %8 = tail call i32 @s2n_stuffer_validate(ptr noundef %0)
  %9 = tail call zeroext i1 @s2n_result_is_ok(i32 %8)
  %not.8 = xor i1 %9, true
  %.7 = sext i1 %not.8 to i32
  %10 = tail call zeroext i1 @s2n_result_is_ok(i32 %.7)
  %not.9 = xor i1 %10, true
  %spec.select = sext i1 %not.9 to i32
  br label %11

11:                                               ; preds = %5, %1
  %.0 = phi i32 [ -1, %1 ], [ %spec.select, %5 ]
  ret i32 %.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" }
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" }

!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, !11, i64 28}
!6 = !{!"s2n_stuffer", !7, i64 0, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !11, i64 36, !11, i64 36}
!7 = !{!"s2n_blob", !8, i64 0, !11, i64 8, !11, i64 12, !11, i64 16}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!6, !11, i64 24}


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