; LLVM IR from jingweizhanghuai/Morn :: src/util (morn_INI)

; 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.__va_list_tag = type { i32, i32, ptr, ptr }

; 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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #1

; Function Attrs: nounwind uwtable
define dso_local void @INIFileWrite(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ...) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca [1 x %struct.__va_list_tag], align 16
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #5
  %11 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %10, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %11)
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = load i32, ptr %13, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = sub i64 0, %15
  %17 = getelementptr inbounds i8, ptr %12, i64 %16
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  %22 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %10, i64 0, i64 0
  %23 = call i32 @vsnprintf(ptr noundef %17, i64 noundef %20, ptr noundef %21, ptr noundef %22) #5
  store i32 %23, ptr %9, align 4, !tbaa !9
  %24 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %10, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %24)
  %25 = load i32, ptr %9, align 4, !tbaa !9
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = icmp ugt i32 %25, %27
  br i1 %28, label %29, label %46

29:                                               ; preds = %4
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = getelementptr inbounds i8, ptr %30, i64 -8192
  %32 = load ptr, ptr %7, align 8, !tbaa !5
  %33 = load i32, ptr %32, align 4, !tbaa !9
  %34 = sub nsw i32 8192, %33
  %35 = sext i32 %34 to i64
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = call i64 @fwrite(ptr noundef %31, i64 noundef 1, i64 noundef %35, ptr noundef %36)
  %38 = load ptr, ptr %7, align 8, !tbaa !5
  store i32 8192, ptr %38, align 4, !tbaa !9
  %39 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %10, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %39)
  %40 = load ptr, ptr %6, align 8, !tbaa !5
  %41 = getelementptr inbounds i8, ptr %40, i64 -8192
  %42 = load ptr, ptr %8, align 8, !tbaa !5
  %43 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %10, i64 0, i64 0
  %44 = call i32 @vsnprintf(ptr noundef %41, i64 noundef 8192, ptr noundef %42, ptr noundef %43) #5
  store i32 %44, ptr %9, align 4, !tbaa !9
  %45 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %10, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %45)
  br label %46

46:                                               ; preds = %29, %4
  %47 = load i32, ptr %9, align 4, !tbaa !9
  %48 = load ptr, ptr %7, align 8, !tbaa !5
  %49 = load i32, ptr %48, align 4, !tbaa !9
  %50 = sub i32 %49, %47
  store i32 %50, ptr %48, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  ret void
}

; Function Attrs: nounwind
declare i32 @vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #3

declare i64 @fwrite(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn }
attributes #2 = { 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 "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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, 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.__va_list_tag = type { i32, i32, ptr, 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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #1

; Function Attrs: nofree nounwind uwtable
define dso_local void @INIFileWrite(ptr nocapture noundef %0, ptr nocapture noundef %1, ptr nocapture noundef %2, ptr nocapture noundef readonly %3, ...) local_unnamed_addr #2 {
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @llvm.va_start.p0(ptr nonnull %5)
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = sext i32 %6 to i64
  %8 = sub nsw i64 0, %7
  %9 = getelementptr inbounds i8, ptr %1, i64 %8
  %10 = call i32 @vsnprintf(ptr noundef %9, i64 noundef %7, ptr noundef %3, ptr noundef nonnull %5) #4
  call void @llvm.va_end.p0(ptr nonnull %5)
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = icmp ugt i32 %10, %11
  br i1 %12, label %13, label %19

13:                                               ; preds = %4
  %14 = getelementptr inbounds i8, ptr %1, i64 -8192
  %15 = sub nsw i32 8192, %11
  %16 = sext i32 %15 to i64
  %17 = call i64 @fwrite(ptr noundef nonnull %14, i64 noundef 1, i64 noundef %16, ptr noundef %0)
  store i32 8192, ptr %2, align 4, !tbaa !5
  call void @llvm.va_start.p0(ptr nonnull %5)
  %18 = call i32 @vsnprintf(ptr noundef nonnull %14, i64 noundef 8192, ptr noundef %3, ptr noundef nonnull %5) #4
  call void @llvm.va_end.p0(ptr nonnull %5)
  %.pre = load i32, ptr %2, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %13, %4
  %20 = phi i32 [ %.pre, %13 ], [ %11, %4 ]
  %.0 = phi i32 [ %18, %13 ], [ %10, %4 ]
  %21 = sub i32 %20, %.0
  store i32 %21, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @vsnprintf(ptr nocapture noundef, i64 noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i64 @fwrite(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #2 = { nofree 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 = { 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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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