; LLVM IR from BrunoLevy/learn-fpga :: LiteX/software/Tagl/Lib/dldlinker.ll (ZN9DLDLinker4CallEPc)

; 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.GraphicComponent = type { ptr, i32, i32, [100 x %class.Flags], i32, %class.Flags, ptr, [8192 x i8] }
%class.Flags = type { i32 }

@.str.23 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.25 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [9 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: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentixEi(ptr noundef nonnull align 8 dereferenceable(8624), i32 noundef) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624), ptr noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN9DLDLinker4CallEPc(ptr noundef nonnull align 8 dereferenceable(8648) %0, ptr noundef %1) #2 align 2 {
  %3 = alloca i32, align 4
  %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
  %8 = load ptr, ptr %4, align 8
  %9 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentixEi(ptr noundef nonnull align 8 dereferenceable(8624) %8, i32 noundef 3)
  %10 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %9, ptr noundef @.str.23)
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %10, ptr noundef %11)
  %13 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %12, ptr noundef @.str.24)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store ptr null, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %22, label %16

16:                                               ; preds = %2
  %17 = getelementptr inbounds %class.GraphicComponent, ptr %8, i32 0, i32 1
  %18 = load i32, ptr %17, align 8, !tbaa !9
  %19 = icmp sge i32 %18, 1
  br i1 %19, label %20, label %21

20:                                               ; preds = %16
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %29

21:                                               ; preds = %16
  br label %22

22:                                               ; preds = %21, %2
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  call void %23()
  %24 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentixEi(ptr noundef nonnull align 8 dereferenceable(8624) %8, i32 noundef 3)
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %24, ptr noundef %25)
  %27 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %26, ptr noundef @.str.25)
  %28 = call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %27, ptr noundef @.str.26)
  store i32 1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %29

29:                                               ; preds = %22, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %30 = load i32, ptr %3, align 4
  ret i32 %30
}

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

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"_ZTS16GraphicComponent", !11, i64 8, !11, i64 12, !7, i64 16, !11, i64 416, !12, i64 420, !6, i64 424, !7, i64 432}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS5Flags", !11, i64 0}


; 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"

@.str.23 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentixEi(ptr noundef nonnull align 8 dereferenceable(8624), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 0, 2) i32 @_ZN9DLDLinker4CallEPc(ptr noundef nonnull align 8 dereferenceable(8648) %0, ptr noundef %1) local_unnamed_addr #1 align 2 {
  %3 = tail call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentixEi(ptr noundef nonnull align 8 dereferenceable(8624) %0, i32 noundef 3)
  %4 = tail call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %3, ptr noundef nonnull @.str.23)
  %5 = tail call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %4, ptr noundef %1)
  %6 = tail call noundef nonnull align 8 dereferenceable(8624) ptr @_ZN16GraphicComponentlsEPKc(ptr noundef nonnull align 8 dereferenceable(8624) %5, ptr noundef nonnull @.str.24)
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load i32, ptr %7, align 8, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  tail call void @llvm.assume(i1 %9)
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
declare void @llvm.assume(i1 noundef) #2

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }

!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 8}
!6 = !{!"_ZTS16GraphicComponent", !7, i64 8, !7, i64 12, !8, i64 16, !7, i64 416, !10, i64 420, !11, i64 424, !8, i64 432}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS5Flags", !7, i64 0}
!11 = !{!"any pointer", !8, i64 0}


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