; LLVM IR from openanolis/openssl :: ssl/quic (quic_fc)

; 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.quic_txfc_st = type { ptr, i64, i64, i8 }

; Function Attrs: nounwind uwtable
declare dso_local i64 @ossl_quic_txfc_get_credit_local(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @ossl_quic_txfc_consume_credit_local(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  store i32 1, ptr %5, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = call i64 @ossl_quic_txfc_get_credit_local(ptr noundef %7)
  store i64 %8, ptr %6, align 8, !tbaa !9
  %9 = load i64, ptr %4, align 8, !tbaa !9
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = icmp ugt i64 %9, %10
  br i1 %11, label %12, label %14

12:                                               ; preds = %2
  store i32 0, ptr %5, align 4, !tbaa !11
  %13 = load i64, ptr %6, align 8, !tbaa !9
  store i64 %13, ptr %4, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %12, %2
  %15 = load i64, ptr %4, align 8, !tbaa !9
  %16 = icmp ugt i64 %15, 0
  br i1 %16, label %17, label %24

17:                                               ; preds = %14
  %18 = load i64, ptr %4, align 8, !tbaa !9
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = icmp eq i64 %18, %19
  br i1 %20, label %21, label %24

21:                                               ; preds = %17
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.quic_txfc_st, ptr %22, i32 0, i32 3
  store i8 1, ptr %23, align 8, !tbaa !13
  br label %24

24:                                               ; preds = %21, %17, %14
  %25 = load i64, ptr %4, align 8, !tbaa !9
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.quic_txfc_st, ptr %26, i32 0, i32 1
  %28 = load i64, ptr %27, align 8, !tbaa !15
  %29 = add i64 %28, %25
  store i64 %29, ptr %27, align 8, !tbaa !15
  %30 = load i32, ptr %5, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %30
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !7, i64 24}
!14 = !{!"quic_txfc_st", !6, i64 0, !10, i64 8, !10, i64 16, !7, i64 24}
!15 = !{!14, !10, i64 8}


; 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"

; Function Attrs: nounwind uwtable
declare dso_local i64 @ossl_quic_txfc_get_credit_local(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @ossl_quic_txfc_consume_credit_local(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = tail call i64 @ossl_quic_txfc_get_credit_local(ptr noundef %0)
  %spec.select13 = tail call i64 @llvm.umin.i64(i64 %3, i64 %1)
  %.not = icmp ne i64 %spec.select13, 0
  %4 = icmp ule i64 %3, %1
  %or.cond = and i1 %4, %.not
  br i1 %or.cond, label %5, label %7

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  store i8 1, ptr %6, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %5, %2
  %8 = icmp uge i64 %3, %1
  %spec.select = zext i1 %8 to i32
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = load i64, ptr %9, align 8, !tbaa !11
  %11 = add i64 %10, %spec.select13
  store i64 %11, ptr %9, align 8, !tbaa !11
  ret i32 %spec.select
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.umin.i64(i64, i64) #1

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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, !8, i64 24}
!6 = !{!"quic_txfc_st", !7, i64 0, !10, i64 8, !10, i64 16, !8, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !10, i64 8}


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