; LLVM IR from alibaba/GCanvas :: core/src/support/Log.ll (Z18AppendErrorLogInfoPSt6vectorI10GCanvasLogSaIS0_EEPKcS5_z)

; 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.GCanvasLog = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@.str = external hidden unnamed_addr constant [3 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind
declare i32 @snprintf(ptr noundef, i64 noundef, ptr noundef, ...) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 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: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #3

; Function Attrs: nounwind
declare i32 @vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #3

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z18AppendErrorLogInfoPSt6vectorI10GCanvasLogSaIS0_EEPKcS5_z(ptr noundef %0, ptr noundef %1, ptr noundef %2, ...) #4 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %struct.GCanvasLog, align 8
  %8 = alloca [1 x %struct.__va_list_tag], align 16
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  br label %28

14:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 64, ptr %7) #6
  call void @_ZN10GCanvasLogC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %7)
  %15 = getelementptr inbounds %struct.GCanvasLog, ptr %7, i32 0, i32 0
  %16 = call noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32) %15) #6
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call i32 (ptr, i64, ptr, ...) @snprintf(ptr noundef %16, i64 noundef 128, ptr noundef @.str, ptr noundef %17) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #6
  %19 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %8, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %19)
  %20 = getelementptr inbounds %struct.GCanvasLog, ptr %7, i32 0, i32 1
  %21 = call noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32) %20) #6
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %8, i64 0, i64 0
  %24 = call i32 @vsnprintf(ptr noundef %21, i64 noundef 512, ptr noundef %22, ptr noundef %23) #6
  %25 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %8, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %25)
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  invoke void @_ZNSt6vectorI10GCanvasLogSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %26, ptr noundef nonnull align 8 dereferenceable(64) %7)
          to label %27 unwind label %29

27:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #6
  call void @_ZN10GCanvasLogD2Ev(ptr noundef nonnull align 8 dereferenceable(64) %7) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr %7) #6
  br label %28

28:                                               ; preds = %27, %13
  ret void

29:                                               ; preds = %14
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %9, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #6
  call void @_ZN10GCanvasLogD2Ev(ptr noundef nonnull align 8 dereferenceable(64) %7) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr %7) #6
  br label %33

33:                                               ; preds = %29
  %34 = load ptr, ptr %9, align 8
  %35 = load i32, ptr %10, align 4
  %36 = insertvalue { ptr, i32 } poison, ptr %34, 0
  %37 = insertvalue { ptr, i32 } %36, i32 %35, 1
  resume { ptr, i32 } %37
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI10GCanvasLogSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(64)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN10GCanvasLogD2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #5 align 2

declare void @_ZN10GCanvasLogC1Ev(ptr)

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 = { 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 #6 = { 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"

%struct.GCanvasLog = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@.str = external hidden unnamed_addr constant [3 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nofree nounwind
declare noundef i32 @snprintf(ptr noalias nocapture noundef writeonly, i64 noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 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: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #3

; Function Attrs: nofree nounwind
declare noundef i32 @vsnprintf(ptr nocapture noundef, i64 noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #3

; 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 uwtable
define dso_local void @_Z18AppendErrorLogInfoPSt6vectorI10GCanvasLogSaIS0_EEPKcS5_z(ptr noundef %0, ptr noundef %1, ptr nocapture noundef readonly %2, ...) local_unnamed_addr #4 personality ptr @__gxx_personality_v0 {
  %4 = alloca %struct.GCanvasLog, align 8
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  %6 = icmp eq ptr %0, null
  br i1 %6, label %14, label %7

7:                                                ; preds = %3
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %4) #6
  call void @_ZN10GCanvasLogC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %4)
  %8 = call noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %9 = call i32 (ptr, i64, ptr, ...) @snprintf(ptr noundef nonnull dereferenceable(1) %8, i64 noundef 128, ptr noundef nonnull @.str, ptr noundef %1) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  call void @llvm.va_start.p0(ptr nonnull %5)
  %10 = getelementptr inbounds i8, ptr %4, i64 32
  %11 = call noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  %12 = call i32 @vsnprintf(ptr noundef %11, i64 noundef 512, ptr noundef %2, ptr noundef nonnull %5) #6
  call void @llvm.va_end.p0(ptr nonnull %5)
  invoke void @_ZNSt6vectorI10GCanvasLogSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(64) %4)
          to label %13 unwind label %15

13:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @_ZN10GCanvasLogD2Ev(ptr noundef nonnull align 8 dereferenceable(64) %4) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #6
  br label %14

14:                                               ; preds = %3, %13
  ret void

15:                                               ; preds = %7
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @_ZN10GCanvasLogD2Ev(ptr noundef nonnull align 8 dereferenceable(64) %4) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #6
  resume { ptr, i32 } %16
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI10GCanvasLogSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(64)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN10GCanvasLogD2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #5 align 2

declare void @_ZN10GCanvasLogC1Ev(ptr) local_unnamed_addr

attributes #0 = { nofree 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 #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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 = { 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 #6 = { 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)"}


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