; LLVM IR from openssl/openssl :: crypto/evp (ec_ctrl)

; 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.ossl_param_st = type { ptr, i32, ptr, i64, i64 }

@.str = external hidden unnamed_addr constant [19 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [70 x i8], align 1
@__func__.EVP_PKEY_CTX_get_ecdh_cofactor_mode = external hidden unnamed_addr constant [36 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @evp_pkey_ctx_getset_ecdh_param_checks(ptr noundef) #1

declare void @OSSL_PARAM_construct_int(ptr dead_on_unwind writable sret(%struct.ossl_param_st) align 8, ptr noundef, ptr noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @OSSL_PARAM_construct_end(ptr dead_on_unwind writable sret(%struct.ossl_param_st) align 8) #2

declare void @ERR_new() #2

declare void @ERR_set_debug(ptr noundef, i32 noundef, ptr noundef) #2

declare void @ERR_set_error(i32 noundef, i32 noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @EVP_PKEY_CTX_get_ecdh_cofactor_mode(ptr noundef %0) #4 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca [2 x %struct.ossl_param_st], align 16
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %struct.ossl_param_st, align 8
  %10 = alloca %struct.ossl_param_st, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 80, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %11 = getelementptr inbounds [2 x %struct.ossl_param_st], ptr %6, i64 0, i64 0
  store ptr %11, ptr %7, align 8, !tbaa !5
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = call i32 @evp_pkey_ctx_getset_ecdh_param_checks(ptr noundef %12)
  store i32 %13, ptr %4, align 4, !tbaa !9
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = icmp ne i32 %14, 1
  br i1 %15, label %16, label %18

16:                                               ; preds = %1
  %17 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %17, ptr %2, align 4
  store i32 1, ptr %8, align 4
  br label %40

18:                                               ; preds = %1
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.ossl_param_st, ptr %19, i32 1
  store ptr %20, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %9) #5
  call void @OSSL_PARAM_construct_int(ptr dead_on_unwind writable sret(%struct.ossl_param_st) align 8 %9, ptr noundef @.str, ptr noundef %5)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %19, ptr align 8 %9, i64 40, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #5
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.ossl_param_st, ptr %21, i32 1
  store ptr %22, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %10) #5
  call void @OSSL_PARAM_construct_end(ptr dead_on_unwind writable sret(%struct.ossl_param_st) align 8 %10)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %21, ptr align 8 %10, i64 40, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #5
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds [2 x %struct.ossl_param_st], ptr %6, i64 0, i64 0
  %25 = call i32 @evp_pkey_ctx_get_params_strict(ptr noundef %23, ptr noundef %24)
  store i32 %25, ptr %4, align 4, !tbaa !9
  %26 = load i32, ptr %4, align 4, !tbaa !9
  switch i32 %26, label %37 [
    i32 -2, label %27
    i32 1, label %28
  ]

27:                                               ; preds = %18
  call void @ERR_new()
  call void @ERR_set_debug(ptr noundef @.str.1, i32 noundef 87, ptr noundef @__func__.EVP_PKEY_CTX_get_ecdh_cofactor_mode)
  call void (i32, i32, ptr, ...) @ERR_set_error(i32 noundef 6, i32 noundef 147, ptr noundef null)
  br label %38

28:                                               ; preds = %18
  %29 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %29, ptr %4, align 4, !tbaa !9
  %30 = load i32, ptr %5, align 4, !tbaa !9
  %31 = icmp slt i32 %30, 0
  br i1 %31, label %35, label %32

32:                                               ; preds = %28
  %33 = load i32, ptr %5, align 4, !tbaa !9
  %34 = icmp sgt i32 %33, 1
  br i1 %34, label %35, label %36

35:                                               ; preds = %32, %28
  store i32 -1, ptr %4, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %35, %32
  br label %38

37:                                               ; preds = %18
  store i32 -1, ptr %4, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %37, %36, %27
  %39 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %39, ptr %2, align 4
  store i32 1, ptr %8, align 4
  br label %40

40:                                               ; preds = %38, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  %41 = load i32, ptr %2, align 4
  ret i32 %41
}

declare i32 @evp_pkey_ctx_get_params_strict(ptr noundef, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{i64 0, i64 8, !5, i64 8, i64 4, !9, i64 16, i64 8, !5, i64 24, i64 8, !12, i64 32, i64 8, !12}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !7, 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.ossl_param_st = type { ptr, i32, ptr, i64, i64 }

@.str = external hidden unnamed_addr constant [19 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [70 x i8], align 1
@__func__.EVP_PKEY_CTX_get_ecdh_cofactor_mode = external hidden unnamed_addr constant [36 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @evp_pkey_ctx_getset_ecdh_param_checks(ptr noundef) local_unnamed_addr #1

declare void @OSSL_PARAM_construct_int(ptr dead_on_unwind writable sret(%struct.ossl_param_st) align 8, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @OSSL_PARAM_construct_end(ptr dead_on_unwind writable sret(%struct.ossl_param_st) align 8) local_unnamed_addr #2

declare void @ERR_new() local_unnamed_addr #2

declare void @ERR_set_debug(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

declare void @ERR_set_error(i32 noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local i32 @EVP_PKEY_CTX_get_ecdh_cofactor_mode(ptr noundef %0) local_unnamed_addr #4 {
  %2 = alloca i32, align 4
  %3 = alloca [2 x %struct.ossl_param_st], align 16
  %4 = alloca %struct.ossl_param_st, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #5
  %5 = tail call i32 @evp_pkey_ctx_getset_ecdh_param_checks(ptr noundef %0)
  %.not = icmp eq i32 %5, 1
  br i1 %.not, label %6, label %12

6:                                                ; preds = %1
  %7 = getelementptr inbounds i8, ptr %3, i64 40
  call void @OSSL_PARAM_construct_int(ptr dead_on_unwind nonnull writable sret(%struct.ossl_param_st) align 8 %3, ptr noundef nonnull @.str, ptr noundef nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %4) #5
  call void @OSSL_PARAM_construct_end(ptr dead_on_unwind nonnull writable sret(%struct.ossl_param_st) align 8 %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %7, ptr noundef nonnull align 8 dereferenceable(40) %4, i64 40, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #5
  %8 = call i32 @evp_pkey_ctx_get_params_strict(ptr noundef %0, ptr noundef nonnull %3) #5
  switch i32 %8, label %12 [
    i32 -2, label %9
    i32 1, label %10
  ]

9:                                                ; preds = %6
  call void @ERR_new() #5
  call void @ERR_set_debug(ptr noundef nonnull @.str.1, i32 noundef 87, ptr noundef nonnull @__func__.EVP_PKEY_CTX_get_ecdh_cofactor_mode) #5
  call void (i32, i32, ptr, ...) @ERR_set_error(i32 noundef 6, i32 noundef 147, ptr noundef null) #5
  br label %12

10:                                               ; preds = %6
  %11 = load i32, ptr %2, align 4
  %or.cond = icmp ugt i32 %11, 1
  %spec.store.select = select i1 %or.cond, i32 -1, i32 %11
  br label %12

12:                                               ; preds = %9, %10, %6, %1
  %.09 = phi i32 [ %5, %1 ], [ %spec.store.select, %10 ], [ -2, %9 ], [ -1, %6 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  ret i32 %.09
}

declare i32 @evp_pkey_ctx_get_params_strict(ptr noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 = !{i64 0, i64 8, !6, i64 8, i64 4, !10, i64 16, i64 8, !6, i64 24, i64 8, !12, i64 32, i64 8, !12}
!6 = !{!7, !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !8, i64 0}


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