; LLVM IR from guanzhi/GmSSL :: src (gf128)

; 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.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [59 x i8], align 1
@__FUNCTION__.gf128_equ_hex = external hidden unnamed_addr constant [14 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 @gf128_from_hex(ptr noundef, ptr noundef) #1

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

; Function Attrs: nounwind uwtable
define dso_local i32 @gf128_equ_hex(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca [2 x i64], align 16
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %6) #3
  %8 = getelementptr inbounds [2 x i64], ptr %6, i64 0, i64 0
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = call i32 @gf128_from_hex(ptr noundef %8, ptr noundef %9)
  %11 = icmp ne i32 %10, 1
  br i1 %11, label %12, label %18

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.3, ptr noundef @.str.4, i32 noundef 184, ptr noundef @__FUNCTION__.gf128_equ_hex) #3
  br label %16

16:                                               ; preds = %13
  br label %17

17:                                               ; preds = %16
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %34

18:                                               ; preds = %2
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds i64, ptr %19, i64 0
  %21 = load i64, ptr %20, align 8, !tbaa !9
  %22 = getelementptr inbounds [2 x i64], ptr %6, i64 0, i64 0
  %23 = load i64, ptr %22, align 16, !tbaa !9
  %24 = icmp ne i64 %21, %23
  br i1 %24, label %32, label %25

25:                                               ; preds = %18
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds i64, ptr %26, i64 1
  %28 = load i64, ptr %27, align 8, !tbaa !9
  %29 = getelementptr inbounds [2 x i64], ptr %6, i64 0, i64 1
  %30 = load i64, ptr %29, align 8, !tbaa !9
  %31 = icmp ne i64 %28, %30
  br i1 %31, label %32, label %33

32:                                               ; preds = %25, %18
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %34

33:                                               ; preds = %25
  store i32 1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %34

34:                                               ; preds = %33, %32, %17
  call void @llvm.lifetime.end.p0(i64 16, ptr %6) #3
  %35 = load i32, ptr %3, align 4
  ret i32 %35
}

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 = !{!"long", !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.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [59 x i8], align 1
@__FUNCTION__.gf128_equ_hex = external hidden unnamed_addr constant [14 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: mustprogress 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 @gf128_from_hex(ptr noundef, ptr noundef) local_unnamed_addr #1

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

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @gf128_equ_hex(ptr nocapture noundef readonly %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = alloca [2 x i64], align 16
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #3
  %4 = call i32 @gf128_from_hex(ptr noundef nonnull %3, ptr noundef %1)
  %.not = icmp eq i32 %4, 1
  br i1 %.not, label %8, label %5

5:                                                ; preds = %2
  %6 = load ptr, ptr @stderr, align 8, !tbaa !5
  %7 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %6, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, i32 noundef 184, ptr noundef nonnull @__FUNCTION__.gf128_equ_hex) #4
  br label %16

8:                                                ; preds = %2
  %9 = load i64, ptr %0, align 8, !tbaa !9
  %10 = load i64, ptr %3, align 16, !tbaa !9
  %.not3 = icmp eq i64 %9, %10
  br i1 %.not3, label %11, label %16

11:                                               ; preds = %8
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = getelementptr inbounds i8, ptr %3, i64 8
  %15 = load i64, ptr %14, align 8, !tbaa !9
  %.not4 = icmp eq i64 %13, %15
  %spec.select = zext i1 %.not4 to i32
  br label %16

16:                                               ; preds = %11, %8, %5
  %.0 = phi i32 [ -1, %5 ], [ 0, %8 ], [ %spec.select, %11 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #3
  ret i32 %.0
}

attributes #0 = { mustprogress 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 = { 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 #3 = { nounwind }
attributes #4 = { 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}


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