; LLVM IR from buresjan/optim_lbm :: nomad/interfaces/CInterface (NomadStdCInterface)

; 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"

%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%struct.NomadProblemInfo = type { %"class.std::shared_ptr", ptr, i32, i32 }

; 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: mustprogress uwtable
define dso_local ptr @createNomadProblem(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::shared_ptr", align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %10 = load i32, ptr %6, align 4, !tbaa !9
  %11 = icmp slt i32 %10, 1
  br i1 %11, label %18, label %12

12:                                               ; preds = %3
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = icmp slt i32 %13, 1
  br i1 %14, label %18, label %15

15:                                               ; preds = %12
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = icmp eq ptr %16, null
  br i1 %17, label %18, label %19

18:                                               ; preds = %15, %12, %3
  store ptr null, ptr %4, align 8
  br label %34

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %20 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 32) #7
  call void @_ZN16NomadProblemInfoC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #6
  store ptr %20, ptr %8, align 8, !tbaa !5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.NomadProblemInfo, ptr %22, i32 0, i32 1
  store ptr %21, ptr %23, align 8, !tbaa !11
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.NomadProblemInfo, ptr %25, i32 0, i32 2
  store i32 %24, ptr %26, align 8, !tbaa !16
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.NomadProblemInfo, ptr %28, i32 0, i32 3
  store i32 %27, ptr %29, align 4, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #6
  call void @_ZSt11make_sharedIN9NOMAD_4_313AllParametersEJEESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind writable sret(%"class.std::shared_ptr") align 8 %9)
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.NomadProblemInfo, ptr %30, i32 0, i32 0
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN9NOMAD_4_313AllParametersEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 8 dereferenceable(16) %9) #6
  call void @_ZNSt12__shared_ptrIN9NOMAD_4_313AllParametersELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %33, ptr %4, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %34

34:                                               ; preds = %19, %18
  %35 = load ptr, ptr %4, align 8
  ret ptr %35
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN16NomadProblemInfoC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt11make_sharedIN9NOMAD_4_313AllParametersEJEESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr") align 8) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN9NOMAD_4_313AllParametersEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN9NOMAD_4_313AllParametersELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { nobuiltin 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 = { inlinehint mustprogress 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 #4 = { inlinehint mustprogress 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 = { mustprogress 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 #6 = { nounwind }
attributes #7 = { builtin 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"_ZTS16NomadProblemInfo", !13, i64 0, !6, i64 16, !10, i64 24, !10, i64 28}
!13 = !{!"_ZTSSt10shared_ptrIN9NOMAD_4_313AllParametersEE", !14, i64 0}
!14 = !{!"_ZTSSt12__shared_ptrIN9NOMAD_4_313AllParametersELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !15, i64 8}
!15 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0}
!16 = !{!12, !10, i64 24}
!17 = !{!12, !10, i64 28}


; 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"

%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }

; 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 uwtable
define dso_local noundef ptr @createNomadProblem(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = alloca %"class.std::shared_ptr", align 8
  %5 = icmp slt i32 %1, 1
  %6 = icmp slt i32 %2, 1
  %or.cond = or i1 %5, %6
  %7 = icmp eq ptr %0, null
  %or.cond3 = or i1 %7, %or.cond
  br i1 %or.cond3, label %14, label %8

8:                                                ; preds = %3
  %9 = tail call noalias noundef nonnull dereferenceable(32) ptr @_Znwm(i64 noundef 32) #6
  tail call void @_ZN16NomadProblemInfoC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #7
  %10 = getelementptr inbounds i8, ptr %9, i64 16
  store ptr %0, ptr %10, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %9, i64 24
  store i32 %1, ptr %11, align 8, !tbaa !14
  %12 = getelementptr inbounds i8, ptr %9, i64 28
  store i32 %2, ptr %12, align 4, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #7
  call void @_ZSt11make_sharedIN9NOMAD_4_313AllParametersEJEESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind nonnull writable sret(%"class.std::shared_ptr") align 8 %4)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN9NOMAD_4_313AllParametersEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(16) %4) #7
  call void @_ZNSt12__shared_ptrIN9NOMAD_4_313AllParametersELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #7
  br label %14

14:                                               ; preds = %3, %8
  %.0 = phi ptr [ %9, %8 ], [ null, %3 ]
  ret ptr %.0
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN16NomadProblemInfoC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt11make_sharedIN9NOMAD_4_313AllParametersEJEESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr") align 8) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN9NOMAD_4_313AllParametersEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN9NOMAD_4_313AllParametersELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { nobuiltin 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 = { inlinehint mustprogress 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 #4 = { inlinehint mustprogress 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 = { mustprogress 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 #6 = { builtin allocsize(0) }
attributes #7 = { 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, !9, i64 16}
!6 = !{!"_ZTS16NomadProblemInfo", !7, i64 0, !9, i64 16, !13, i64 24, !13, i64 28}
!7 = !{!"_ZTSSt10shared_ptrIN9NOMAD_4_313AllParametersEE", !8, i64 0}
!8 = !{!"_ZTSSt12__shared_ptrIN9NOMAD_4_313AllParametersELN9__gnu_cxx12_Lock_policyE2EE", !9, i64 0, !12, i64 8}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !9, i64 0}
!13 = !{!"int", !10, i64 0}
!14 = !{!6, !13, i64 24}
!15 = !{!6, !13, i64 28}


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