; LLVM IR from Overload-Technologies/Overload :: Dependencies/assimp/code/Common/ZipArchiveIOSystem.ll (ZN6Assimp11ZipFileInfoC2EPvm)

; 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.Assimp::ZipFileInfo" = type { i64, %struct.unz_file_pos_s }
%struct.unz_file_pos_s = type { i64, i64 }

@.str.4 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [119 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Assimp11ZipFileInfoC2EPvm(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1, i64 noundef %2) unnamed_addr #0 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  %7 = load ptr, ptr %4, align 8
  %8 = getelementptr inbounds %"class.Assimp::ZipFileInfo", ptr %7, i32 0, i32 0
  %9 = load i64, ptr %6, align 8, !tbaa !9
  store i64 %9, ptr %8, align 8, !tbaa !11
  %10 = getelementptr inbounds %"class.Assimp::ZipFileInfo", ptr %7, i32 0, i32 1
  %11 = getelementptr inbounds %"class.Assimp::ZipFileInfo", ptr %7, i32 0, i32 0
  %12 = load i64, ptr %11, align 8, !tbaa !11
  %13 = icmp ne i64 %12, 0
  br i1 %13, label %15, label %14

14:                                               ; preds = %3
  call void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef @.str.4, ptr noundef @.str.5, i32 noundef 243)
  br label %15

15:                                               ; preds = %14, %3
  %16 = phi i1 [ true, %3 ], [ false, %14 ]
  %17 = getelementptr inbounds %"class.Assimp::ZipFileInfo", ptr %7, i32 0, i32 1
  %18 = getelementptr inbounds %struct.unz_file_pos_s, ptr %17, i32 0, i32 1
  store i64 0, ptr %18, align 8, !tbaa !14
  %19 = getelementptr inbounds %"class.Assimp::ZipFileInfo", ptr %7, i32 0, i32 1
  %20 = getelementptr inbounds %struct.unz_file_pos_s, ptr %19, i32 0, i32 0
  store i64 0, ptr %20, align 8, !tbaa !15
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.Assimp::ZipFileInfo", ptr %7, i32 0, i32 1
  %23 = call i32 @unzGetFilePos(ptr noundef %21, ptr noundef %22)
  ret void
}

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) #1

declare i32 @unzGetFilePos(ptr noundef, ptr noundef) #1

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 = { "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" }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTSN6Assimp11ZipFileInfoE", !10, i64 0, !13, i64 8}
!13 = !{!"_ZTS14unz_file_pos_s", !10, i64 0, !10, i64 8}
!14 = !{!12, !10, i64 16}
!15 = !{!12, !10, i64 8}


; 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.4 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [119 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Assimp11ZipFileInfoC2EPvm(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1, i64 noundef %2) unnamed_addr #0 align 2 {
  store i64 %2, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %4, label %5

4:                                                ; preds = %3
  tail call void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.5, i32 noundef 243)
  br label %5

5:                                                ; preds = %4, %3
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  %7 = tail call i32 @unzGetFilePos(ptr noundef %1, ptr noundef nonnull %6)
  ret void
}

declare void @_ZN6Assimp17aiAssertViolationEPKcS1_i(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

declare i32 @unzGetFilePos(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 = { "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 nounwind willreturn memory(argmem: 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 0}
!6 = !{!"_ZTSN6Assimp11ZipFileInfoE", !7, i64 0, !10, i64 8}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS14unz_file_pos_s", !7, i64 0, !7, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass