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

; 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.Device = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
%struct.Task = type { ptr, ptr, ptr, i32, i32 }
%struct.Dt551 = type { %struct.Device, ptr, ptr, [8 x ptr], ptr, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }

@dt_ident = external dso_local global ptr, align 8
@dtproto = external hidden global %struct.Device, align 8

; 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 allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
define dso_local ptr @makedt(i32 noundef %0, ptr noundef %1) #4 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %struct.Task, align 8
  %7 = alloca %struct.Task, 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) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #6
  %8 = call noalias ptr @malloc(i64 noundef 272) #7
  store ptr %8, ptr %5, align 8, !tbaa !9
  %9 = load ptr, ptr %5, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 8 %9, i8 0, i64 272, i1 false)
  %10 = load ptr, ptr %5, align 8, !tbaa !9
  %11 = getelementptr inbounds %struct.Dt551, ptr %10, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 8 @dtproto, i64 64, i1 false), !tbaa.struct !11
  %12 = load ptr, ptr @dt_ident, align 8, !tbaa !9
  %13 = load ptr, ptr %5, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.Dt551, ptr %13, i32 0, i32 0
  %15 = getelementptr inbounds %struct.Device, ptr %14, i32 0, i32 1
  store ptr %12, ptr %15, align 8, !tbaa !12
  %16 = getelementptr inbounds %struct.Task, ptr %7, i32 0, i32 0
  store ptr null, ptr %16, align 8, !tbaa !15
  %17 = getelementptr inbounds %struct.Task, ptr %7, i32 0, i32 1
  store ptr @dtcycle, ptr %17, align 8, !tbaa !17
  %18 = getelementptr inbounds %struct.Task, ptr %7, i32 0, i32 2
  %19 = load ptr, ptr %5, align 8, !tbaa !9
  store ptr %19, ptr %18, align 8, !tbaa !18
  %20 = getelementptr inbounds %struct.Task, ptr %7, i32 0, i32 3
  store i32 150, ptr %20, align 8, !tbaa !19
  %21 = getelementptr inbounds %struct.Task, ptr %7, i32 0, i32 4
  store i32 0, ptr %21, align 4, !tbaa !20
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 8 %7, i64 32, i1 false), !tbaa.struct !21
  call void @addtask(ptr noundef byval(%struct.Task) align 8 %6)
  %22 = load ptr, ptr %5, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.Dt551, ptr %22, i32 0, i32 0
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret ptr %23
}

; Function Attrs: nounwind uwtable
declare hidden void @dtcycle(ptr noundef) #4

declare void @addtask(ptr noundef byval(%struct.Task) align 8) #5

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { 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 = !{i64 0, i64 8, !9, i64 8, i64 8, !9, i64 16, i64 8, !9, i64 24, i64 8, !9, i64 32, i64 8, !9, i64 40, i64 8, !9, i64 48, i64 8, !9, i64 56, i64 8, !9}
!12 = !{!13, !10, i64 8}
!13 = !{!"Dt551", !14, i64 0, !10, i64 64, !10, i64 72, !7, i64 80, !10, i64 144, !6, i64 152, !6, i64 156, !6, i64 160, !6, i64 164, !6, i64 168, !6, i64 172, !6, i64 176, !6, i64 180, !6, i64 184, !6, i64 188, !6, i64 192, !6, i64 196, !6, i64 200, !6, i64 204, !6, i64 208, !6, i64 212, !6, i64 216, !6, i64 220, !6, i64 224, !6, i64 228, !6, i64 232, !6, i64 236, !6, i64 240, !6, i64 244, !6, i64 248, !6, i64 252, !6, i64 256, !6, i64 260, !6, i64 264, !6, i64 268}
!14 = !{!"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}
!15 = !{!16, !10, i64 0}
!16 = !{!"Task", !10, i64 0, !10, i64 8, !10, i64 16, !6, i64 24, !6, i64 28}
!17 = !{!16, !10, i64 8}
!18 = !{!16, !10, i64 16}
!19 = !{!16, !6, i64 24}
!20 = !{!16, !6, i64 28}
!21 = !{i64 0, i64 8, !9, i64 8, i64 8, !9, i64 16, i64 8, !9, i64 24, i64 4, !5, i64 28, i64 4, !5}


; 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"

%struct.Device = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
%struct.Task = type { ptr, ptr, ptr, i32, i32 }

@dt_ident = external dso_local local_unnamed_addr global ptr, align 8
@dtproto = external hidden local_unnamed_addr global %struct.Device, align 8

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

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

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

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @makedt(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #4 {
  %3 = alloca %struct.Task, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  %4 = tail call noalias dereferenceable_or_null(272) ptr @malloc(i64 noundef 272) #7
  %5 = getelementptr i8, ptr %4, i64 64
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(208) %5, i8 0, i64 208, i1 false)
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(64) %4, ptr noundef nonnull align 8 dereferenceable(64) @dtproto, i64 64, i1 false), !tbaa.struct !5
  %6 = load ptr, ptr @dt_ident, align 8, !tbaa !6
  %7 = getelementptr inbounds i8, ptr %4, i64 8
  store ptr %6, ptr %7, align 8, !tbaa !10
  store ptr null, ptr %3, align 8, !tbaa !6
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 8
  store ptr @dtcycle, ptr %.sroa.2.0..sroa_idx, align 8, !tbaa !6
  %.sroa.3.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 16
  store ptr %4, ptr %.sroa.3.0..sroa_idx, align 8, !tbaa !6
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 24
  store i32 150, ptr %.sroa.4.0..sroa_idx, align 8, !tbaa !14
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 28
  store i32 0, ptr %.sroa.5.0..sroa_idx, align 4, !tbaa !14
  tail call void @addtask(ptr noundef nonnull byval(%struct.Task) align 8 %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  ret ptr %4
}

; Function Attrs: nounwind uwtable
declare hidden void @dtcycle(ptr noundef) #4

declare void @addtask(ptr noundef byval(%struct.Task) align 8) local_unnamed_addr #5

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { 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 = !{i64 0, i64 8, !6, i64 8, i64 8, !6, i64 16, i64 8, !6, i64 24, i64 8, !6, i64 32, i64 8, !6, i64 40, i64 8, !6, i64 48, i64 8, !6, i64 56, i64 8, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 8}
!11 = !{!"Dt551", !12, i64 0, !7, i64 64, !7, i64 72, !8, i64 80, !7, i64 144, !13, i64 152, !13, i64 156, !13, i64 160, !13, i64 164, !13, i64 168, !13, i64 172, !13, i64 176, !13, i64 180, !13, i64 184, !13, i64 188, !13, i64 192, !13, i64 196, !13, i64 200, !13, i64 204, !13, i64 208, !13, i64 212, !13, i64 216, !13, i64 220, !13, i64 224, !13, i64 228, !13, i64 232, !13, i64 236, !13, i64 240, !13, i64 244, !13, i64 248, !13, i64 252, !13, i64 256, !13, i64 260, !13, i64 264, !13, i64 268}
!12 = !{!"Device", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56}
!13 = !{!"int", !8, i64 0}
!14 = !{!13, !13, i64 0}


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