; LLVM IR from matz/streem :: src (core)

; 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.strm_stream = type { i32, i32, i32, ptr, ptr, ptr, ptr, ptr, i64, i64, ptr, i32, ptr, i32 }

@stream_count = external hidden global i32, align 4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; 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 @strm_stream_new(i32 noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #2 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  store i32 %0, ptr %5, align 4, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %10 = call noalias ptr @malloc(i64 noundef 104) #5
  store ptr %10, ptr %9, align 8, !tbaa !9
  %11 = load ptr, ptr %9, align 8, !tbaa !9
  %12 = getelementptr inbounds %struct.strm_stream, ptr %11, i32 0, i32 0
  store i32 0, ptr %12, align 8, !tbaa !11
  %13 = load i32, ptr %5, align 4, !tbaa !5
  %14 = load ptr, ptr %9, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.strm_stream, ptr %14, i32 0, i32 2
  store i32 %13, ptr %15, align 8, !tbaa !14
  %16 = load ptr, ptr %6, align 8, !tbaa !9
  %17 = load ptr, ptr %9, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.strm_stream, ptr %17, i32 0, i32 3
  store ptr %16, ptr %18, align 8, !tbaa !15
  %19 = load ptr, ptr %7, align 8, !tbaa !9
  %20 = load ptr, ptr %9, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.strm_stream, ptr %20, i32 0, i32 4
  store ptr %19, ptr %21, align 8, !tbaa !16
  %22 = load ptr, ptr %8, align 8, !tbaa !9
  %23 = load ptr, ptr %9, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.strm_stream, ptr %23, i32 0, i32 5
  store ptr %22, ptr %24, align 8, !tbaa !17
  %25 = load ptr, ptr %9, align 8, !tbaa !9
  %26 = getelementptr inbounds %struct.strm_stream, ptr %25, i32 0, i32 6
  store ptr null, ptr %26, align 8, !tbaa !18
  %27 = load ptr, ptr %9, align 8, !tbaa !9
  %28 = getelementptr inbounds %struct.strm_stream, ptr %27, i32 0, i32 7
  store ptr null, ptr %28, align 8, !tbaa !19
  %29 = load ptr, ptr %9, align 8, !tbaa !9
  %30 = getelementptr inbounds %struct.strm_stream, ptr %29, i32 0, i32 8
  store i64 0, ptr %30, align 8, !tbaa !20
  %31 = load ptr, ptr %9, align 8, !tbaa !9
  %32 = getelementptr inbounds %struct.strm_stream, ptr %31, i32 0, i32 9
  store i64 0, ptr %32, align 8, !tbaa !21
  %33 = load ptr, ptr %9, align 8, !tbaa !9
  %34 = getelementptr inbounds %struct.strm_stream, ptr %33, i32 0, i32 1
  store i32 0, ptr %34, align 4, !tbaa !22
  %35 = load ptr, ptr %9, align 8, !tbaa !9
  %36 = getelementptr inbounds %struct.strm_stream, ptr %35, i32 0, i32 10
  store ptr null, ptr %36, align 8, !tbaa !23
  %37 = load ptr, ptr %9, align 8, !tbaa !9
  %38 = getelementptr inbounds %struct.strm_stream, ptr %37, i32 0, i32 11
  store i32 0, ptr %38, align 8, !tbaa !24
  %39 = load ptr, ptr %9, align 8, !tbaa !9
  %40 = getelementptr inbounds %struct.strm_stream, ptr %39, i32 0, i32 13
  store i32 0, ptr %40, align 8, !tbaa !25
  %41 = call ptr (...) @strm_queue_new()
  %42 = load ptr, ptr %9, align 8, !tbaa !9
  %43 = getelementptr inbounds %struct.strm_stream, ptr %42, i32 0, i32 12
  store ptr %41, ptr %43, align 8, !tbaa !26
  %44 = atomicrmw add ptr @stream_count, i32 1 seq_cst, align 4
  %45 = load ptr, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  ret ptr %45
}

declare ptr @strm_queue_new(...) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 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 #3 = { "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 #4 = { nounwind }
attributes #5 = { nounwind allocsize(0) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"strm_stream", !6, i64 0, !6, i64 4, !6, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !13, i64 56, !13, i64 64, !10, i64 72, !6, i64 80, !10, i64 88, !6, i64 96}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !10, i64 16}
!16 = !{!12, !10, i64 24}
!17 = !{!12, !10, i64 32}
!18 = !{!12, !10, i64 40}
!19 = !{!12, !10, i64 48}
!20 = !{!12, !13, i64 56}
!21 = !{!12, !13, i64 64}
!22 = !{!12, !6, i64 4}
!23 = !{!12, !10, i64 72}
!24 = !{!12, !6, i64 80}
!25 = !{!12, !6, i64 96}
!26 = !{!12, !10, i64 88}


; 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"

@stream_count = external hidden global i32, align 4

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @strm_stream_new(i32 noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #1 {
  %5 = tail call noalias dereferenceable_or_null(104) ptr @malloc(i64 noundef 104) #4
  store i32 0, ptr %5, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 8
  store i32 %0, ptr %6, align 8, !tbaa !12
  %7 = getelementptr inbounds i8, ptr %5, i64 16
  store ptr %1, ptr %7, align 8, !tbaa !13
  %8 = getelementptr inbounds i8, ptr %5, i64 24
  store ptr %2, ptr %8, align 8, !tbaa !14
  %9 = getelementptr inbounds i8, ptr %5, i64 32
  store ptr %3, ptr %9, align 8, !tbaa !15
  %10 = getelementptr inbounds i8, ptr %5, i64 40
  %11 = getelementptr inbounds i8, ptr %5, i64 4
  store i32 0, ptr %11, align 4, !tbaa !16
  %12 = getelementptr inbounds i8, ptr %5, i64 96
  store i32 0, ptr %12, align 8, !tbaa !17
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(44) %10, i8 0, i64 44, i1 false)
  %13 = tail call ptr (...) @strm_queue_new() #5
  %14 = getelementptr inbounds i8, ptr %5, i64 88
  store ptr %13, ptr %14, align 8, !tbaa !18
  %15 = atomicrmw add ptr @stream_count, i32 1 seq_cst, align 4
  ret ptr %5
}

declare ptr @strm_queue_new(...) local_unnamed_addr #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nounwind allocsize(0) }
attributes #5 = { 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, !7, i64 0}
!6 = !{!"strm_stream", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !11, i64 56, !11, i64 64, !10, i64 72, !7, i64 80, !10, i64 88, !7, i64 96}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!6, !7, i64 8}
!13 = !{!6, !10, i64 16}
!14 = !{!6, !10, i64 24}
!15 = !{!6, !10, i64 32}
!16 = !{!6, !7, i64 4}
!17 = !{!6, !7, i64 96}
!18 = !{!6, !10, i64 88}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass