; LLVM IR from dloebl/cgif :: tests (write_fn)

; 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.st_gifconfig = type { ptr, ptr, i32, i32, i16, i16, i16, i16, ptr, ptr }
%struct.st_frameconfig = type { ptr, ptr, i32, i32, i16, i16, i8 }

@__const.main.aPalette = external hidden unnamed_addr constant [6 x i8], align 1
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [44 x i8], align 1
@stderr = external global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [38 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca %struct.st_gifconfig, align 8
  %4 = alloca %struct.st_frameconfig, align 8
  %5 = alloca ptr, align 8
  %6 = alloca [6 x i8], align 1
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 48, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 6, ptr %6) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %6, ptr align 1 @__const.main.aPalette, i64 6, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  %10 = call noalias ptr @fopen(ptr noundef @.str, ptr noundef @.str.1)
  store ptr %10, ptr %8, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %3, i8 0, i64 48, i1 false)
  call void @llvm.memset.p0.i64(ptr align 8 %4, i8 0, i64 32, i1 false)
  %11 = getelementptr inbounds %struct.st_gifconfig, ptr %3, i32 0, i32 4
  store i16 100, ptr %11, align 8, !tbaa !9
  %12 = getelementptr inbounds %struct.st_gifconfig, ptr %3, i32 0, i32 5
  store i16 100, ptr %12, align 2, !tbaa !13
  %13 = getelementptr inbounds [6 x i8], ptr %6, i64 0, i64 0
  %14 = getelementptr inbounds %struct.st_gifconfig, ptr %3, i32 0, i32 0
  store ptr %13, ptr %14, align 8, !tbaa !14
  %15 = getelementptr inbounds %struct.st_gifconfig, ptr %3, i32 0, i32 6
  store i16 2, ptr %15, align 4, !tbaa !15
  %16 = getelementptr inbounds %struct.st_gifconfig, ptr %3, i32 0, i32 8
  store ptr @pWriteFn, ptr %16, align 8, !tbaa !16
  %17 = load ptr, ptr %8, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.st_gifconfig, ptr %3, i32 0, i32 9
  store ptr %17, ptr %18, align 8, !tbaa !17
  %19 = call ptr @cgif_newgif(ptr noundef %3)
  store ptr %19, ptr %2, align 8, !tbaa !5
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = icmp eq ptr %20, null
  br i1 %21, label %22, label %25

22:                                               ; preds = %0
  %23 = load ptr, ptr @stderr, align 8, !tbaa !5
  %24 = call i32 @fputs(ptr noundef @.str.2, ptr noundef %23)
  store i32 1, ptr %1, align 4
  store i32 1, ptr %9, align 4
  br label %44

25:                                               ; preds = %0
  %26 = call noalias ptr @malloc(i64 noundef 10000) #8
  store ptr %26, ptr %5, align 8, !tbaa !5
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 1 %27, i8 0, i64 10000, i1 false)
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.st_frameconfig, ptr %4, i32 0, i32 1
  store ptr %28, ptr %29, align 8, !tbaa !18
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = call i32 @cgif_addframe(ptr noundef %30, ptr noundef %4)
  store i32 %31, ptr %7, align 4, !tbaa !20
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %32) #7
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = call i32 @cgif_close(ptr noundef %33)
  store i32 %34, ptr %7, align 4, !tbaa !20
  %35 = load ptr, ptr %8, align 8, !tbaa !5
  %36 = call i32 @fclose(ptr noundef %35)
  %37 = load i32, ptr %7, align 4, !tbaa !20
  %38 = icmp ne i32 %37, 0
  br i1 %38, label %39, label %43

39:                                               ; preds = %25
  %40 = load ptr, ptr @stderr, align 8, !tbaa !5
  %41 = load i32, ptr %7, align 4, !tbaa !20
  %42 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %40, ptr noundef @.str.3, i32 noundef %41) #7
  store i32 2, ptr %1, align 4
  store i32 1, ptr %9, align 4
  br label %44

43:                                               ; preds = %25
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  br label %44

44:                                               ; preds = %43, %39, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 6, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  %45 = load i32, ptr %1, align 4
  ret i32 %45
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare noalias ptr @fopen(ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

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

declare ptr @cgif_newgif(ptr noundef) #3

declare i32 @fputs(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #5

declare i32 @cgif_addframe(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #6

declare i32 @cgif_close(ptr noundef) #3

declare i32 @fclose(ptr noundef) #3

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #6

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { nounwind 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = !{!10, !12, i64 24}
!10 = !{!"st_gifconfig", !6, i64 0, !6, i64 8, !11, i64 16, !11, i64 20, !12, i64 24, !12, i64 26, !12, i64 28, !12, i64 30, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!10, !12, i64 26}
!14 = !{!10, !6, i64 0}
!15 = !{!10, !12, i64 28}
!16 = !{!10, !6, i64 32}
!17 = !{!10, !6, i64 40}
!18 = !{!19, !6, i64 8}
!19 = !{!"st_frameconfig", !6, i64 0, !6, i64 8, !11, i64 16, !11, i64 20, !12, i64 24, !12, i64 26, !7, i64 28}
!20 = !{!11, !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"

%struct.st_gifconfig = type { ptr, ptr, i32, i32, i16, i16, i16, i16, ptr, ptr }
%struct.st_frameconfig = type { ptr, ptr, i32, i32, i16, i16, i8 }

@__const.main.aPalette = external hidden unnamed_addr constant [6 x i8], align 1
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [44 x i8], align 1
@stderr = external local_unnamed_addr global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [38 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 3) i32 @main() local_unnamed_addr #0 {
  %1 = alloca %struct.st_gifconfig, align 8
  %2 = alloca %struct.st_frameconfig, align 8
  %3 = alloca [6 x i8], align 1
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #8
  call void @llvm.lifetime.start.p0(i64 6, ptr nonnull %3) #8
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 1 dereferenceable(6) %3, ptr noundef nonnull align 1 dereferenceable(6) @__const.main.aPalette, i64 6, i1 false)
  %4 = tail call noalias ptr @fopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1)
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(48) %5, i8 0, i64 24, i1 false)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %2, i8 0, i64 32, i1 false)
  %6 = getelementptr inbounds i8, ptr %1, i64 24
  store i16 100, ptr %6, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %1, i64 26
  store i16 100, ptr %7, align 2, !tbaa !12
  store ptr %3, ptr %1, align 8, !tbaa !13
  %8 = getelementptr inbounds i8, ptr %1, i64 28
  store i16 2, ptr %8, align 4, !tbaa !14
  %9 = getelementptr inbounds i8, ptr %1, i64 32
  store ptr @pWriteFn, ptr %9, align 8, !tbaa !15
  %10 = getelementptr inbounds i8, ptr %1, i64 40
  store ptr %4, ptr %10, align 8, !tbaa !16
  %11 = call ptr @cgif_newgif(ptr noundef nonnull %1) #8
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %16

13:                                               ; preds = %0
  %14 = load ptr, ptr @stderr, align 8, !tbaa !17
  %15 = call i32 @fputs(ptr noundef nonnull @.str.2, ptr noundef %14) #9
  br label %24

16:                                               ; preds = %0
  %calloc = call dereferenceable_or_null(10000) ptr @calloc(i64 1, i64 10000)
  %17 = getelementptr inbounds i8, ptr %2, i64 8
  store ptr %calloc, ptr %17, align 8, !tbaa !18
  %18 = call i32 @cgif_addframe(ptr noundef nonnull %11, ptr noundef nonnull %2) #8
  call void @free(ptr noundef %calloc) #8
  %19 = call i32 @cgif_close(ptr noundef nonnull %11) #8
  %20 = call i32 @fclose(ptr noundef %4)
  %.not = icmp eq i32 %19, 0
  br i1 %.not, label %24, label %21

21:                                               ; preds = %16
  %22 = load ptr, ptr @stderr, align 8, !tbaa !17
  %23 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %22, ptr noundef nonnull @.str.3, i32 noundef %19) #10
  br label %24

24:                                               ; preds = %16, %21, %13
  %.0 = phi i32 [ 1, %13 ], [ 2, %21 ], [ 0, %16 ]
  call void @llvm.lifetime.end.p0(i64 6, ptr nonnull %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #8
  ret i32 %.0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

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

declare ptr @cgif_newgif(ptr noundef) local_unnamed_addr #5

; Function Attrs: nofree nounwind
declare noundef i32 @fputs(ptr nocapture noundef readonly, ptr nocapture noundef) local_unnamed_addr #3

declare i32 @cgif_addframe(ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #6

declare i32 @cgif_close(ptr noundef) local_unnamed_addr #5

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #7

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #7 = { nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" }
attributes #8 = { nounwind }
attributes #9 = { cold }
attributes #10 = { cold 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, !11, i64 24}
!6 = !{!"st_gifconfig", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20, !11, i64 24, !11, i64 26, !11, i64 28, !11, i64 30, !7, i64 32, !7, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"short", !8, i64 0}
!12 = !{!6, !11, i64 26}
!13 = !{!6, !7, i64 0}
!14 = !{!6, !11, i64 28}
!15 = !{!6, !7, i64 32}
!16 = !{!6, !7, i64 40}
!17 = !{!7, !7, i64 0}
!18 = !{!19, !7, i64 8}
!19 = !{!"st_frameconfig", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20, !11, i64 24, !11, i64 26, !8, i64 28}


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