; 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 }

; 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
define dso_local ptr @evhtp_request_new(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %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 8, ptr %6) #2
  %8 = call ptr @_evhtp_request_new(ptr noundef null)
  store ptr %8, ptr %6, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %21

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.evhtp_request_s, ptr %13, i32 0, i32 14
  store ptr %12, ptr %14, align 8, !tbaa !9
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.evhtp_request_s, ptr %16, i32 0, i32 15
  store ptr %15, ptr %17, align 8, !tbaa !14
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.evhtp_request_s, ptr %18, i32 0, i32 8
  store i32 2, ptr %19, align 8, !tbaa !15
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %20, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %21

21:                                               ; preds = %11, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %22 = load ptr, ptr %3, align 8
  ret ptr %22
}

; Function Attrs: nounwind uwtable
declare hidden ptr @_evhtp_request_new(ptr noundef) #1

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 }

!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, !6, i64 88}
!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}
!14 = !{!10, !6, i64 96}
!15 = !{!10, !11, i64 64}


; 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
define dso_local ptr @evhtp_request_new(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call ptr @_evhtp_request_new(ptr noundef null)
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %8, label %4

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %3, i64 88
  store ptr %0, ptr %5, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %3, i64 96
  store ptr %1, ptr %6, align 8, !tbaa !13
  %7 = getelementptr inbounds i8, ptr %3, i64 64
  store i32 2, ptr %7, align 8, !tbaa !14
  br label %8

8:                                                ; preds = %2, %4
  ret ptr %3
}

; Function Attrs: nounwind uwtable
declare hidden ptr @_evhtp_request_new(ptr noundef) local_unnamed_addr #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" }

!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, !7, i64 88}
!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}
!13 = !{!6, !7, i64 96}
!14 = !{!6, !10, i64 64}


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