; LLVM IR from guanzhi/GmSSL :: src (sm3_digest)

; 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.SM3_DIGEST_CTX = type { %union.anon, i32 }
%union.anon = type { %struct.SM3_HMAC_CTX }
%struct.SM3_HMAC_CTX = type { %struct.SM3_CTX, [64 x i8] }
%struct.SM3_CTX = type { [8 x i32], i64, [64 x i8], i64 }

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [64 x i8], align 1
@__FUNCTION__.sm3_digest_finish = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @sm3_digest_finish(ptr noundef %0, ptr noundef %1) #2 {
  %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 ne ptr %6, null
  br i1 %7, label %8, label %11

8:                                                ; preds = %2
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %16, label %11

11:                                               ; preds = %8, %2
  br label %12

12:                                               ; preds = %11
  %13 = load ptr, ptr @stderr, align 8, !tbaa !5
  %14 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 65, ptr noundef @__FUNCTION__.sm3_digest_finish) #4
  br label %15

15:                                               ; preds = %12
  store i32 -1, ptr %3, align 4
  br label %42

16:                                               ; preds = %8
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.SM3_DIGEST_CTX, ptr %17, i32 0, i32 1
  %19 = load i32, ptr %18, align 8, !tbaa !9
  %20 = icmp eq i32 %19, 1
  br i1 %20, label %21, label %25

21:                                               ; preds = %16
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.SM3_DIGEST_CTX, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  call void @sm3_finish(ptr noundef %23, ptr noundef %24)
  br label %40

25:                                               ; preds = %16
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.SM3_DIGEST_CTX, ptr %26, i32 0, i32 1
  %28 = load i32, ptr %27, align 8, !tbaa !9
  %29 = icmp eq i32 %28, 2
  br i1 %29, label %30, label %34

30:                                               ; preds = %25
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.SM3_DIGEST_CTX, ptr %31, i32 0, i32 0
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  call void @sm3_hmac_finish(ptr noundef %32, ptr noundef %33)
  br label %39

34:                                               ; preds = %25
  br label %35

35:                                               ; preds = %34
  %36 = load ptr, ptr @stderr, align 8, !tbaa !5
  %37 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %36, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 74, ptr noundef @__FUNCTION__.sm3_digest_finish) #4
  br label %38

38:                                               ; preds = %35
  store i32 -1, ptr %3, align 4
  br label %42

39:                                               ; preds = %30
  br label %40

40:                                               ; preds = %39, %21
  %41 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %41, i8 0, i64 184, i1 false)
  store i32 1, ptr %3, align 4
  br label %42

42:                                               ; preds = %40, %38, %15
  %43 = load i32, ptr %3, align 4
  ret i32 %43
}

declare void @sm3_finish(ptr noundef, ptr noundef) #3

declare void @sm3_hmac_finish(ptr noundef, ptr noundef) #3

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 #3 = { "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, !11, i64 176}
!10 = !{!"", !7, i64 0, !11, i64 176}
!11 = !{!"int", !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"

@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 [64 x i8], align 1
@__FUNCTION__.sm3_digest_finish = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm3_digest_finish(ptr noundef %0, ptr noundef %1) local_unnamed_addr #2 {
  %3 = icmp ne ptr %0, null
  %4 = icmp ne ptr %1, null
  %or.cond = and i1 %3, %4
  br i1 %or.cond, label %8, label %5

5:                                                ; preds = %2
  %6 = load ptr, ptr @stderr, align 8, !tbaa !5
  %7 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %6, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 65, ptr noundef nonnull @__FUNCTION__.sm3_digest_finish) #4
  br label %17

8:                                                ; preds = %2
  %9 = getelementptr inbounds i8, ptr %0, i64 176
  %10 = load i32, ptr %9, align 8, !tbaa !9
  switch i32 %10, label %13 [
    i32 1, label %11
    i32 2, label %12
  ]

11:                                               ; preds = %8
  tail call void @sm3_finish(ptr noundef nonnull %0, ptr noundef nonnull %1) #5
  br label %16

12:                                               ; preds = %8
  tail call void @sm3_hmac_finish(ptr noundef nonnull %0, ptr noundef nonnull %1) #5
  br label %16

13:                                               ; preds = %8
  %14 = load ptr, ptr @stderr, align 8, !tbaa !5
  %15 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 74, ptr noundef nonnull @__FUNCTION__.sm3_digest_finish) #4
  br label %17

16:                                               ; preds = %12, %11
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(184) %0, i8 0, i64 184, i1 false)
  br label %17

17:                                               ; preds = %16, %13, %5
  %.0 = phi i32 [ 1, %16 ], [ -1, %13 ], [ -1, %5 ]
  ret i32 %.0
}

declare void @sm3_finish(ptr noundef, ptr noundef) local_unnamed_addr #3

declare void @sm3_hmac_finish(ptr noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 #3 = { "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 = { cold nounwind }
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, !11, i64 176}
!10 = !{!"", !7, i64 0, !11, i64 176}
!11 = !{!"int", !7, i64 0}


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