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

; 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.TLS_CTX = type { i32, i32, [64 x i32], i64, ptr, i64, ptr, i64, %struct.SM2_KEY, %struct.SM2_KEY, i32, i32 }
%struct.SM2_KEY = type { %struct.SM2_Z256_POINT, [4 x i64] }
%struct.SM2_Z256_POINT = type { [4 x i64], [4 x i64], [4 x 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 [57 x i8], align 1
@__FUNCTION__.tls_ctx_init = external hidden unnamed_addr constant [13 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 @tls_ctx_init(ptr noundef %0, i32 noundef %1, i32 noundef %2) #2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %15, label %10

10:                                               ; preds = %3
  br label %11

11:                                               ; preds = %10
  %12 = load ptr, ptr @stderr, align 8, !tbaa !5
  %13 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 2061, ptr noundef @__FUNCTION__.tls_ctx_init) #3
  br label %14

14:                                               ; preds = %11
  store i32 -1, ptr %4, align 4
  br label %34

15:                                               ; preds = %3
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %16, i8 0, i64 568, i1 false)
  %17 = load i32, ptr %6, align 4, !tbaa !9
  switch i32 %17, label %22 [
    i32 257, label %18
    i32 771, label %18
    i32 772, label %18
  ]

18:                                               ; preds = %15, %15, %15
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.TLS_CTX, ptr %20, i32 0, i32 0
  store i32 %19, ptr %21, align 8, !tbaa !11
  br label %27

22:                                               ; preds = %15
  br label %23

23:                                               ; preds = %22
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 2073, ptr noundef @__FUNCTION__.tls_ctx_init) #3
  br label %26

26:                                               ; preds = %23
  store i32 -1, ptr %4, align 4
  br label %34

27:                                               ; preds = %18
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = icmp ne i32 %28, 0
  %30 = zext i1 %29 to i64
  %31 = select i1 %29, i32 1, i32 0
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.TLS_CTX, ptr %32, i32 0, i32 1
  store i32 %31, ptr %33, align 4, !tbaa !16
  store i32 1, ptr %4, align 4
  br label %34

34:                                               ; preds = %27, %26, %14
  %35 = load i32, ptr %4, align 4
  ret i32 %35
}

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 = { 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, !10, i64 0}
!12 = !{!"", !10, i64 0, !10, i64 4, !7, i64 8, !13, i64 264, !6, i64 272, !13, i64 280, !6, i64 288, !13, i64 296, !14, i64 304, !14, i64 432, !10, i64 560, !10, i64 564}
!13 = !{!"long", !7, i64 0}
!14 = !{!"", !15, i64 0, !7, i64 96}
!15 = !{!"", !7, i64 0, !7, i64 32, !7, i64 64}
!16 = !{!12, !10, i64 4}


; 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
@__FUNCTION__.tls_ctx_init = external hidden unnamed_addr constant [13 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: nofree nounwind uwtable
define dso_local range(i32 -1, 2) i32 @tls_ctx_init(ptr noundef writeonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %7

4:                                                ; preds = %3
  %5 = load ptr, ptr @stderr, align 8, !tbaa !5
  %6 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 2061, ptr noundef nonnull @__FUNCTION__.tls_ctx_init) #3
  br label %14

7:                                                ; preds = %3
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(568) %0, i8 0, i64 568, i1 false)
  switch i32 %1, label %11 [
    i32 257, label %8
    i32 771, label %8
    i32 772, label %8
  ]

8:                                                ; preds = %7, %7, %7
  store i32 %1, ptr %0, align 8, !tbaa !9
  %.not8 = icmp ne i32 %2, 0
  %9 = zext i1 %.not8 to i32
  %10 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 %9, ptr %10, align 4, !tbaa !15
  br label %14

11:                                               ; preds = %7
  %12 = load ptr, ptr @stderr, align 8, !tbaa !5
  %13 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 2073, ptr noundef nonnull @__FUNCTION__.tls_ctx_init) #3
  br label %14

14:                                               ; preds = %8, %11, %4
  %.0 = phi i32 [ -1, %11 ], [ 1, %8 ], [ -1, %4 ]
  ret i32 %.0
}

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 = { nofree 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 = { 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, !11, i64 0}
!10 = !{!"", !11, i64 0, !11, i64 4, !7, i64 8, !12, i64 264, !6, i64 272, !12, i64 280, !6, i64 288, !12, i64 296, !13, i64 304, !13, i64 432, !11, i64 560, !11, i64 564}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!"", !14, i64 0, !7, i64 96}
!14 = !{!"", !7, i64 0, !7, i64 32, !7, i64 64}
!15 = !{!10, !11, i64 4}


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