; LLVM IR from aap/pdp6 :: emu (dc)

; 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.Dc136 = type { %struct.Device, ptr, i32, i32, i32, [8 x ptr], i64, i64, i32, i32, i32, i32, i32, i32, i32 }
%struct.Device = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@dc_ident = external dso_local global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [1 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
define dso_local ptr @makedc(i32 noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %6 = call noalias ptr @malloc(i64 noundef 200) #5
  store ptr %6, ptr %5, align 8, !tbaa !9
  %7 = load ptr, ptr %5, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 8 %7, i8 0, i64 200, i1 false)
  %8 = load ptr, ptr @dc_ident, align 8, !tbaa !9
  %9 = load ptr, ptr %5, align 8, !tbaa !9
  %10 = getelementptr inbounds %struct.Dc136, ptr %9, i32 0, i32 0
  %11 = getelementptr inbounds %struct.Device, ptr %10, i32 0, i32 1
  store ptr %8, ptr %11, align 8, !tbaa !11
  %12 = load ptr, ptr %5, align 8, !tbaa !9
  %13 = getelementptr inbounds %struct.Dc136, ptr %12, i32 0, i32 0
  %14 = getelementptr inbounds %struct.Device, ptr %13, i32 0, i32 2
  store ptr @.str.1, ptr %14, align 8, !tbaa !15
  %15 = load ptr, ptr %5, align 8, !tbaa !9
  %16 = getelementptr inbounds %struct.Dc136, ptr %15, i32 0, i32 0
  %17 = getelementptr inbounds %struct.Device, ptr %16, i32 0, i32 5
  store ptr @dcioconnect, ptr %17, align 8, !tbaa !16
  %18 = load ptr, ptr %5, align 8, !tbaa !9
  %19 = getelementptr inbounds %struct.Dc136, ptr %18, i32 0, i32 0
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret ptr %19
}

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

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

; Function Attrs: nounwind uwtable
declare hidden void @dcioconnect(ptr noundef, 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 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !10, i64 8}
!12 = !{!"Dc136", !13, i64 0, !10, i64 64, !6, i64 72, !6, i64 76, !6, i64 80, !7, i64 88, !14, i64 152, !14, i64 160, !6, i64 168, !6, i64 172, !6, i64 176, !6, i64 180, !6, i64 184, !6, i64 188, !6, i64 192}
!13 = !{!"Device", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56}
!14 = !{!"long", !7, i64 0}
!15 = !{!12, !10, i64 16}
!16 = !{!12, !10, i64 40}


; 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"

@dc_ident = external dso_local local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress nofree nounwind willreturn memory(readwrite, argmem: none) uwtable
define dso_local noalias noundef ptr @makedc(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
  %calloc = tail call dereferenceable_or_null(200) ptr @calloc(i64 1, i64 200)
  %3 = load ptr, ptr @dc_ident, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %calloc, i64 8
  store ptr %3, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds i8, ptr %calloc, i64 16
  store ptr @.str.1, ptr %5, align 8, !tbaa !14
  %6 = getelementptr inbounds i8, ptr %calloc, i64 40
  store ptr @dcioconnect, ptr %6, align 8, !tbaa !15
  ret ptr %calloc
}

; Function Attrs: nounwind uwtable
declare hidden void @dcioconnect(ptr noundef, ptr noundef) #1

; Function Attrs: nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nofree nounwind willreturn memory(readwrite, argmem: none) 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 = { 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 willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" }

!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 8}
!10 = !{!"Dc136", !11, i64 0, !6, i64 64, !12, i64 72, !12, i64 76, !12, i64 80, !7, i64 88, !13, i64 152, !13, i64 160, !12, i64 168, !12, i64 172, !12, i64 176, !12, i64 180, !12, i64 184, !12, i64 188, !12, i64 192}
!11 = !{!"Device", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56}
!12 = !{!"int", !7, i64 0}
!13 = !{!"long", !7, i64 0}
!14 = !{!10, !6, i64 16}
!15 = !{!10, !6, i64 40}


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