; LLVM IR from guanzhi/GmSSL :: src (cms)

; 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"

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [57 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@__FUNCTION__.cms_digest_algors_print = external hidden unnamed_addr constant [24 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: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

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

declare i32 @format_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ...) #2

declare i32 @x509_digest_algor_from_der(ptr noundef, ptr noundef, ptr noundef) #2

declare ptr @x509_digest_algor_name(i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @cms_digest_algors_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, i64 noundef %5) #3 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i32 %1, ptr %9, align 4, !tbaa !9
  store i32 %2, ptr %10, align 4, !tbaa !9
  store ptr %3, ptr %11, align 8, !tbaa !5
  store ptr %4, ptr %12, align 8, !tbaa !5
  store i64 %5, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  %17 = load i32, ptr %9, align 4, !tbaa !9
  %18 = load i32, ptr %10, align 4, !tbaa !9
  %19 = load ptr, ptr %11, align 8, !tbaa !5
  %20 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %16, i32 noundef %17, i32 noundef %18, ptr noundef @.str.2, ptr noundef %19)
  %21 = load i32, ptr %10, align 4, !tbaa !9
  %22 = add nsw i32 %21, 4
  store i32 %22, ptr %10, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %35, %6
  %24 = load i64, ptr %13, align 8, !tbaa !11
  %25 = icmp ne i64 %24, 0
  br i1 %25, label %26, label %42

26:                                               ; preds = %23
  %27 = call i32 @x509_digest_algor_from_der(ptr noundef %14, ptr noundef %12, ptr noundef %13)
  %28 = icmp ne i32 %27, 1
  br i1 %28, label %29, label %35

29:                                               ; preds = %26
  br label %30

30:                                               ; preds = %29
  %31 = load ptr, ptr @stderr, align 8, !tbaa !5
  %32 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %31, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 926, ptr noundef @__FUNCTION__.cms_digest_algors_print) #4
  br label %33

33:                                               ; preds = %30
  br label %34

34:                                               ; preds = %33
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %15, align 4
  br label %43

35:                                               ; preds = %26
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = load i32, ptr %9, align 4, !tbaa !9
  %38 = load i32, ptr %10, align 4, !tbaa !9
  %39 = load i32, ptr %14, align 4, !tbaa !9
  %40 = call ptr @x509_digest_algor_name(i32 noundef %39)
  %41 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %36, i32 noundef %37, i32 noundef %38, ptr noundef @.str.2, ptr noundef %40)
  br label %23, !llvm.loop !13

42:                                               ; preds = %23
  store i32 1, ptr %7, align 4
  store i32 1, ptr %15, align 4
  br label %43

43:                                               ; preds = %42, %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  %44 = load i32, ptr %7, align 4
  ret i32 %44
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind "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 = { 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 #4 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [57 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@__FUNCTION__.cms_digest_algors_print = external hidden unnamed_addr constant [24 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: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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

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

declare i32 @x509_digest_algor_from_der(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare ptr @x509_digest_algor_name(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @cms_digest_algors_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, i64 noundef %5) local_unnamed_addr #3 {
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %4, ptr %7, align 8, !tbaa !5
  store i64 %5, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #4
  %10 = tail call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull @.str.2, ptr noundef %3) #4
  %11 = add nsw i32 %2, 4
  %.not9 = icmp eq i64 %5, 0
  br i1 %.not9, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %6, %16
  %12 = call i32 @x509_digest_algor_from_der(ptr noundef nonnull %9, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not8 = icmp eq i32 %12, 1
  br i1 %.not8, label %16, label %13

13:                                               ; preds = %.lr.ph
  %14 = load ptr, ptr @stderr, align 8, !tbaa !5
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 926, ptr noundef nonnull @__FUNCTION__.cms_digest_algors_print) #5
  br label %.loopexit

16:                                               ; preds = %.lr.ph
  %17 = load i32, ptr %9, align 4, !tbaa !11
  %18 = call ptr @x509_digest_algor_name(i32 noundef %17) #4
  %19 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %11, ptr noundef nonnull @.str.2, ptr noundef %18) #4
  %20 = load i64, ptr %8, align 8, !tbaa !9
  %.not = icmp eq i64 %20, 0
  br i1 %.not, label %.loopexit, label %.lr.ph, !llvm.loop !13

.loopexit:                                        ; preds = %16, %6, %13
  %.0 = phi i32 [ -1, %13 ], [ 1, %6 ], [ 1, %16 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  ret i32 %.0
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree nounwind "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 = { 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 #4 = { nounwind }
attributes #5 = { cold 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass