; LLVM IR from Lut1n/ImpGears :: src/ImpGears/Descriptors (ImageIO)

; 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.0" = type { %"class.std::__shared_ptr.1" }
%"class.std::__shared_ptr.1" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"struct.imp::ImageIO::Options" = type <{ i32, i8, [3 x i8] }>

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3imp7ImageIO4loadENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS0_7OptionsE(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.0") align 8 %0, ptr noundef %1, ptr noundef nonnull align 4 dereferenceable(5) %2) #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i1, align 1
  %8 = alloca %"class.std::shared_ptr.0", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::shared_ptr.0", align 8
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  store i1 false, ptr %7, align 1
  call void @_ZNSt10shared_ptrIN3imp5ImageEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr inbounds %"struct.imp::ImageIO::Options", ptr %12, i32 0, i32 0
  %14 = load i32, ptr %13, align 4, !tbaa !9
  %15 = icmp eq i32 %14, 1
  br i1 %15, label %16, label %23

16:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #3
  invoke void @_ZN3imp8bmp_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::shared_ptr.0") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %17 unwind label %19

17:                                               ; preds = %16
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3imp5ImageEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %8) #3
  call void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %8) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #3
  br label %40

19:                                               ; preds = %16
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %9, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #3
  br label %44

23:                                               ; preds = %3
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds %"struct.imp::ImageIO::Options", ptr %24, i32 0, i32 0
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = icmp eq i32 %26, 0
  br i1 %27, label %28, label %39

28:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #3
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = getelementptr inbounds %"struct.imp::ImageIO::Options", ptr %29, i32 0, i32 1
  %31 = load i8, ptr %30, align 4, !tbaa !13, !range !14, !noundef !15
  %32 = trunc i8 %31 to i1
  invoke void @_ZN3imp8tga_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr dead_on_unwind writable sret(%"class.std::shared_ptr.0") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %1, i1 noundef zeroext %32)
          to label %33 unwind label %35

33:                                               ; preds = %28
  %34 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3imp5ImageEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %11) #3
  call void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %11) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  br label %39

35:                                               ; preds = %28
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %9, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  br label %44

39:                                               ; preds = %33, %23
  br label %40

40:                                               ; preds = %39, %17
  store i1 true, ptr %7, align 1
  %41 = load i1, ptr %7, align 1
  br i1 %41, label %43, label %42

42:                                               ; preds = %40
  call void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  br label %43

43:                                               ; preds = %42, %40
  ret void

44:                                               ; preds = %35, %19
  call void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  br label %45

45:                                               ; preds = %44
  %46 = load ptr, ptr %9, align 8
  %47 = load i32, ptr %10, align 4
  %48 = insertvalue { ptr, i32 } poison, ptr %46, 0
  %49 = insertvalue { ptr, i32 } %48, i32 %47, 1
  resume { ptr, i32 } %49
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10shared_ptrIN3imp5ImageEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3imp8bmp_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.0") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3imp5ImageEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3imp8tga_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.0") align 8, ptr noundef nonnull align 8 dereferenceable(32), i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 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 = { 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 #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 0}
!10 = !{!"_ZTSN3imp7ImageIO7OptionsE", !11, i64 0, !12, i64 4}
!11 = !{!"_ZTSN3imp7ImageIO8FileTypeE", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!10, !12, i64 4}
!14 = !{i8 0, i8 2}
!15 = !{}


; 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.0" = type { %"class.std::__shared_ptr.1" }
%"class.std::__shared_ptr.1" = 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3imp7ImageIO4loadENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS0_7OptionsE(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::shared_ptr.0") align 8 %0, ptr noundef %1, ptr nocapture noundef nonnull readonly align 4 dereferenceable(5) %2) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::shared_ptr.0", align 8
  %5 = alloca %"class.std::shared_ptr.0", align 8
  tail call void @_ZNSt10shared_ptrIN3imp5ImageEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  %6 = load i32, ptr %2, align 4, !tbaa !5
  switch i32 %6, label %20 [
    i32 1, label %7
    i32 0, label %12
  ]

7:                                                ; preds = %3
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #3
  invoke void @_ZN3imp8bmp_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::shared_ptr.0") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %8 unwind label %10

8:                                                ; preds = %7
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3imp5ImageEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %4) #3
  call void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #3
  br label %20

10:                                               ; preds = %7
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #3
  br label %21

12:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #3
  %13 = getelementptr inbounds i8, ptr %2, i64 4
  %14 = load i8, ptr %13, align 4, !tbaa !11, !range !12, !noundef !13
  %15 = trunc nuw i8 %14 to i1
  invoke void @_ZN3imp8tga_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr dead_on_unwind nonnull writable sret(%"class.std::shared_ptr.0") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %1, i1 noundef zeroext %15)
          to label %16 unwind label %18

16:                                               ; preds = %12
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3imp5ImageEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %5) #3
  call void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %5) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  br label %20

18:                                               ; preds = %12
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  br label %21

20:                                               ; preds = %8, %16, %3
  ret void

21:                                               ; preds = %18, %10
  %.pn = phi { ptr, i32 } [ %11, %10 ], [ %19, %18 ]
  call void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10shared_ptrIN3imp5ImageEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3imp8bmp_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.0") align 8, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3imp5ImageEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3imp8tga_loadERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.0") align 8, ptr noundef nonnull align 8 dereferenceable(32), i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN3imp5ImageELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 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 = { 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 #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, !7, i64 0}
!6 = !{!"_ZTSN3imp7ImageIO7OptionsE", !7, i64 0, !10, i64 4}
!7 = !{!"_ZTSN3imp7ImageIO8FileTypeE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!6, !10, i64 4}
!12 = !{i8 0, i8 2}
!13 = !{}


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