; 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"

@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_fp4_from_bytes = external hidden unnamed_addr constant [24 x i8], align 1

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_z256_fp2_from_bytes(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @sm9_z256_fp4_from_bytes(ptr noundef %0, ptr noundef %1) #1 {
  %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 = getelementptr inbounds [2 x [4 x i64]], ptr %6, i64 1
  %8 = getelementptr inbounds [2 x [4 x i64]], ptr %7, i64 0, i64 0
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = call i32 @sm9_z256_fp2_from_bytes(ptr noundef %8, ptr noundef %9)
  %11 = icmp ne i32 %10, 1
  br i1 %11, label %12, label %17

12:                                               ; preds = %2
  br label %13

13:                                               ; preds = %12
  %14 = load ptr, ptr @stderr, align 8, !tbaa !5
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1109, ptr noundef @__FUNCTION__.sm9_z256_fp4_from_bytes) #2
  br label %16

16:                                               ; preds = %13
  store i32 -1, ptr %3, align 4
  br label %31

17:                                               ; preds = %2
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds [2 x [4 x i64]], ptr %18, i64 0
  %20 = getelementptr inbounds [2 x [4 x i64]], ptr %19, i64 0, i64 0
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %21, i64 64
  %23 = call i32 @sm9_z256_fp2_from_bytes(ptr noundef %20, ptr noundef %22)
  %24 = icmp ne i32 %23, 1
  br i1 %24, label %25, label %30

25:                                               ; preds = %17
  br label %26

26:                                               ; preds = %25
  %27 = load ptr, ptr @stderr, align 8, !tbaa !5
  %28 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %27, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1113, ptr noundef @__FUNCTION__.sm9_z256_fp4_from_bytes) #2
  br label %29

29:                                               ; preds = %26
  store i32 -1, ptr %3, align 4
  br label %31

30:                                               ; preds = %17
  store i32 1, ptr %3, align 4
  br label %31

31:                                               ; preds = %30, %29, %16
  %32 = load i32, ptr %3, align 4
  ret i32 %32
}

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 = { 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 }

!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"}


; 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 [62 x i8], align 1
@__FUNCTION__.sm9_z256_fp4_from_bytes = external hidden unnamed_addr constant [24 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: nounwind uwtable
declare dso_local i32 @sm9_z256_fp2_from_bytes(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm9_z256_fp4_from_bytes(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 64
  %4 = tail call i32 @sm9_z256_fp2_from_bytes(ptr noundef nonnull %3, ptr noundef %1)
  %.not = icmp eq i32 %4, 1
  br i1 %.not, label %5, label %.sink.split

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %1, i64 64
  %7 = tail call i32 @sm9_z256_fp2_from_bytes(ptr noundef %0, ptr noundef nonnull %6)
  %.not4 = icmp eq i32 %7, 1
  br i1 %.not4, label %10, label %.sink.split

.sink.split:                                      ; preds = %5, %2
  %.sink5 = phi i32 [ 1109, %2 ], [ 1113, %5 ]
  %8 = load ptr, ptr @stderr, align 8, !tbaa !5
  %9 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %8, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink5, ptr noundef nonnull @__FUNCTION__.sm9_z256_fp4_from_bytes) #2
  br label %10

10:                                               ; preds = %.sink.split, %5
  %.0 = phi i32 [ 1, %5 ], [ -1, %.sink.split ]
  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 = { 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 = { 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