; LLVM IR from guanzhi/GmSSL :: src (sm9_z256)

; 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"

@SM9_Z256_P = external dso_local constant [4 x i64], align 16
@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [62 x i8], align 1
@__FUNCTION__.sm9_z256_fp2_rand = external hidden unnamed_addr constant [18 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_z256_rand_range(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @sm9_z256_fp2_rand(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds [4 x i64], ptr %6, i64 0
  %8 = getelementptr inbounds [4 x i64], ptr %7, i64 0, i64 0
  %9 = call i32 @sm9_z256_rand_range(ptr noundef %8, ptr noundef @SM9_Z256_P)
  store i32 %9, ptr %4, align 4, !tbaa !9
  %10 = icmp ne i32 %9, 1
  br i1 %10, label %11, label %21

11:                                               ; preds = %1
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %14, label %20

14:                                               ; preds = %11
  br label %15

15:                                               ; preds = %14
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 773, ptr noundef @__FUNCTION__.sm9_z256_fp2_rand) #3
  br label %18

18:                                               ; preds = %15
  br label %19

19:                                               ; preds = %18
  br label %20

20:                                               ; preds = %19, %11
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %38

21:                                               ; preds = %1
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds [4 x i64], ptr %22, i64 1
  %24 = getelementptr inbounds [4 x i64], ptr %23, i64 0, i64 0
  %25 = call i32 @sm9_z256_rand_range(ptr noundef %24, ptr noundef @SM9_Z256_P)
  store i32 %25, ptr %4, align 4, !tbaa !9
  %26 = icmp ne i32 %25, 1
  br i1 %26, label %27, label %37

27:                                               ; preds = %21
  %28 = load i32, ptr %4, align 4, !tbaa !9
  %29 = icmp ne i32 %28, 0
  br i1 %29, label %30, label %36

30:                                               ; preds = %27
  br label %31

31:                                               ; preds = %30
  %32 = load ptr, ptr @stderr, align 8, !tbaa !5
  %33 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %32, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 777, ptr noundef @__FUNCTION__.sm9_z256_fp2_rand) #3
  br label %34

34:                                               ; preds = %31
  br label %35

35:                                               ; preds = %34
  br label %36

36:                                               ; preds = %35, %27
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %38

37:                                               ; preds = %21
  store i32 1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %38

38:                                               ; preds = %37, %36, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %39 = load i32, ptr %2, align 4
  ret i32 %39
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #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}


; 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"

@SM9_Z256_P = external dso_local constant [4 x i64], align 16
@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 [62 x i8], align 1
@__FUNCTION__.sm9_z256_fp2_rand = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_z256_rand_range(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm9_z256_fp2_rand(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call i32 @sm9_z256_rand_range(ptr noundef %0, ptr noundef nonnull @SM9_Z256_P)
  switch i32 %2, label %3 [
    i32 1, label %6
    i32 0, label %13
  ]

3:                                                ; preds = %1
  %4 = load ptr, ptr @stderr, align 8, !tbaa !5
  %5 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %4, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 773, ptr noundef nonnull @__FUNCTION__.sm9_z256_fp2_rand) #2
  br label %13

6:                                                ; preds = %1
  %7 = getelementptr inbounds i8, ptr %0, i64 32
  %8 = tail call i32 @sm9_z256_rand_range(ptr noundef nonnull %7, ptr noundef nonnull @SM9_Z256_P)
  switch i32 %8, label %9 [
    i32 1, label %12
    i32 0, label %13
  ]

9:                                                ; preds = %6
  %10 = load ptr, ptr @stderr, align 8, !tbaa !5
  %11 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 777, ptr noundef nonnull @__FUNCTION__.sm9_z256_fp2_rand) #2
  br label %13

12:                                               ; preds = %6
  br label %13

13:                                               ; preds = %9, %6, %3, %1, %12
  %.0 = phi i32 [ 1, %12 ], [ -1, %1 ], [ -1, %3 ], [ -1, %6 ], [ -1, %9 ]
  ret i32 %.0
}

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 = { 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 = { 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"}


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