; LLVM IR from buaazp/zimg :: deps/libevhtp (evhtp)

; 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.evhtp_request_s = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i16, i32, i32, i32, ptr, ptr, i32, %struct.anon }
%struct.anon = type { ptr, ptr }

@.str.54 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @evhtp_send_reply_end(ptr noundef) #0

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

declare i32 @evbuffer_add(ptr noundef, ptr noundef, i64 noundef) #1

declare ptr @bufferevent_get_output(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @evhtp_send_reply_chunk_end(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.evhtp_request_s, ptr %3, i32 0, i32 13
  %5 = load i32, ptr %4, align 4, !tbaa !9
  %6 = icmp ne i32 %5, 0
  br i1 %6, label %7, label %12

7:                                                ; preds = %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = call ptr @evhtp_request_get_bev(ptr noundef %8)
  %10 = call ptr @bufferevent_get_output(ptr noundef %9)
  %11 = call i32 @evbuffer_add(ptr noundef %10, ptr noundef @.str.54, i64 noundef 5)
  br label %12

12:                                               ; preds = %7, %1
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  call void @evhtp_send_reply_end(ptr noundef %13)
  ret void
}

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 = { "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" }

!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 84}
!10 = !{!"evhtp_request_s", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !11, i64 64, !11, i64 68, !12, i64 72, !11, i64 76, !11, i64 80, !11, i64 84, !6, i64 88, !6, i64 96, !11, i64 104, !13, i64 112}
!11 = !{!"int", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!"", !6, i64 0, !6, 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"

@.str.54 = external hidden unnamed_addr constant [6 x i8], align 1

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

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

declare i32 @evbuffer_add(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

declare ptr @bufferevent_get_output(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @evhtp_send_reply_chunk_end(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 84
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %8, label %4

4:                                                ; preds = %1
  %5 = tail call ptr @evhtp_request_get_bev(ptr noundef nonnull %0)
  %6 = tail call ptr @bufferevent_get_output(ptr noundef %5) #2
  %7 = tail call i32 @evbuffer_add(ptr noundef %6, ptr noundef nonnull @.str.54, i64 noundef 5) #2
  br label %8

8:                                                ; preds = %4, %1
  tail call void @evhtp_send_reply_end(ptr noundef nonnull %0)
  ret void
}

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 = { "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, !10, i64 84}
!6 = !{!"evhtp_request_s", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !10, i64 64, !10, i64 68, !11, i64 72, !10, i64 76, !10, i64 80, !10, i64 84, !7, i64 88, !7, i64 96, !10, i64 104, !12, i64 112}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"short", !8, i64 0}
!12 = !{!"", !7, i64 0, !7, i64 8}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,SROAPass,TailCallElimPass