; LLVM IR from openssl/openssl :: crypto/ffc (ffc_dh)

; 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.dh_named_group_st = type { ptr, i32, i32, i32, ptr, ptr, ptr }
%struct.ffc_params_st = type { ptr, ptr, ptr, ptr, ptr, i64, i32, i32, i32, i32, i32, ptr, ptr, i32 }

; Function Attrs: nounwind uwtable
define dso_local i32 @ossl_ffc_named_group_set(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
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp eq ptr %6, null
  br i1 %7, label %11, label %8

8:                                                ; preds = %2
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %8, %2
  store i32 0, ptr %3, align 4
  br label %30

12:                                               ; preds = %8
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.dh_named_group_st, ptr %14, i32 0, i32 4
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.dh_named_group_st, ptr %17, i32 0, i32 5
  %19 = load ptr, ptr %18, align 8, !tbaa !12
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.dh_named_group_st, ptr %20, i32 0, i32 6
  %22 = load ptr, ptr %21, align 8, !tbaa !13
  call void @ossl_ffc_params_set0_pqg(ptr noundef %13, ptr noundef %16, ptr noundef %19, ptr noundef %22)
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.dh_named_group_st, ptr %23, i32 0, i32 3
  %25 = load i32, ptr %24, align 8, !tbaa !14
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.ffc_params_st, ptr %26, i32 0, i32 13
  store i32 %25, ptr %27, align 8, !tbaa !15
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.ffc_params_st, ptr %28, i32 0, i32 7
  store i32 0, ptr %29, align 4, !tbaa !18
  store i32 1, ptr %3, align 4
  br label %30

30:                                               ; preds = %12, %11
  %31 = load i32, ptr %3, align 4
  ret i32 %31
}

declare void @ossl_ffc_params_set0_pqg(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #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 = { "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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 24}
!10 = !{!"dh_named_group_st", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 32}
!13 = !{!10, !6, i64 40}
!14 = !{!10, !11, i64 16}
!15 = !{!16, !11, i64 88}
!16 = !{!"ffc_params_st", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !17, i64 40, !11, i64 48, !11, i64 52, !11, i64 56, !11, i64 60, !11, i64 64, !6, i64 72, !6, i64 80, !11, i64 88}
!17 = !{!"long", !7, i64 0}
!18 = !{!16, !11, i64 52}


; 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
define dso_local range(i32 0, 2) i32 @ossl_ffc_named_group_set(ptr noundef %0, ptr noundef readonly %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  %4 = icmp eq ptr %1, null
  %or.cond = or i1 %3, %4
  br i1 %or.cond, label %16, label %5

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %1, i64 24
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %1, i64 32
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = getelementptr inbounds i8, ptr %1, i64 40
  %11 = load ptr, ptr %10, align 8, !tbaa !12
  tail call void @ossl_ffc_params_set0_pqg(ptr noundef nonnull %0, ptr noundef %7, ptr noundef %9, ptr noundef %11) #2
  %12 = getelementptr inbounds i8, ptr %1, i64 16
  %13 = load i32, ptr %12, align 8, !tbaa !13
  %14 = getelementptr inbounds i8, ptr %0, i64 88
  store i32 %13, ptr %14, align 8, !tbaa !14
  %15 = getelementptr inbounds i8, ptr %0, i64 52
  store i32 0, ptr %15, align 4, !tbaa !17
  br label %16

16:                                               ; preds = %2, %5
  %.0 = phi i32 [ 1, %5 ], [ 0, %2 ]
  ret i32 %.0
}

declare void @ossl_ffc_params_set0_pqg(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #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 = { "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 }

!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 24}
!6 = !{!"dh_named_group_st", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 32}
!12 = !{!6, !7, i64 40}
!13 = !{!6, !10, i64 16}
!14 = !{!15, !10, i64 88}
!15 = !{!"ffc_params_st", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !16, i64 40, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 60, !10, i64 64, !7, i64 72, !7, i64 80, !10, i64 88}
!16 = !{!"long", !8, i64 0}
!17 = !{!15, !10, i64 52}


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