; LLVM IR from alibaba/GCanvas :: core/android/png/PngLoader.ll (ZN7gcanvas9PngLoaderC2Ev)

; 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.gcanvas::PngLoader" = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<gcanvas::IPngCoder *, std::allocator<gcanvas::IPngCoder *>>::_Vector_impl" }
%"struct.std::_Vector_base<gcanvas::IPngCoder *, std::allocator<gcanvas::IPngCoder *>>::_Vector_impl" = type { %"struct.std::_Vector_base<gcanvas::IPngCoder *, std::allocator<gcanvas::IPngCoder *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<gcanvas::IPngCoder *, std::allocator<gcanvas::IPngCoder *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7gcanvas9PngLoaderC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  %7 = getelementptr inbounds %"class.gcanvas::PngLoader", ptr %6, i32 0, i32 0
  call void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  %8 = getelementptr inbounds %"class.gcanvas::PngLoader", ptr %6, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %9 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 8) #7
          to label %10 unwind label %13

10:                                               ; preds = %1
  invoke void @_ZN7gcanvas12LodePngCoderC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %11 unwind label %17

11:                                               ; preds = %10
  store ptr %9, ptr %3, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %12 unwind label %13

12:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  ret void

13:                                               ; preds = %11, %1
  %14 = landingpad { ptr, i32 }
          cleanup
  %15 = extractvalue { ptr, i32 } %14, 0
  store ptr %15, ptr %4, align 8
  %16 = extractvalue { ptr, i32 } %14, 1
  store i32 %16, ptr %5, align 4
  br label %21

17:                                               ; preds = %10
  %18 = landingpad { ptr, i32 }
          cleanup
  %19 = extractvalue { ptr, i32 } %18, 0
  store ptr %19, ptr %4, align 8
  %20 = extractvalue { ptr, i32 } %18, 1
  store i32 %20, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 8) #8
  br label %21

21:                                               ; preds = %17, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  br label %22

22:                                               ; preds = %21
  %23 = load ptr, ptr %4, align 8
  %24 = load i32, ptr %5, align 4
  %25 = insertvalue { ptr, i32 } poison, ptr %23, 0
  %26 = insertvalue { ptr, i32 } %25, i32 %24, 1
  resume { ptr, i32 } %26
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #3

declare i32 @__gxx_personality_v0(...)

declare void @_ZN7gcanvas12LodePngCoderC1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { 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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 = { nobuiltin nounwind "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) }
attributes #8 = { builtin 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"}


; 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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7gcanvas9PngLoaderC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  tail call void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %3 = invoke noalias noundef nonnull dereferenceable(8) ptr @_Znwm(i64 noundef 8) #7
          to label %4 unwind label %7

4:                                                ; preds = %1
  invoke void @_ZN7gcanvas12LodePngCoderC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %5 unwind label %9

5:                                                ; preds = %4
  store ptr %3, ptr %2, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %6 unwind label %7

6:                                                ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  ret void

7:                                                ; preds = %5, %1
  %8 = landingpad { ptr, i32 }
          cleanup
  br label %11

9:                                                ; preds = %4
  %10 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 8) #8
  br label %11

11:                                               ; preds = %9, %7
  %.pn = phi { ptr, i32 } [ %8, %7 ], [ %10, %9 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

declare void @_ZN7gcanvas12LodePngCoderC1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN7gcanvas9IPngCoderESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { 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 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 = { nobuiltin nounwind "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) }
attributes #8 = { builtin 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"}


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