; LLVM IR from Softmotions/iowow :: src/utils (iwxstr)

; 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: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local i64 @iwxstr_cat(ptr noundef, ptr noundef, i64 noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_copy.p0(ptr, ptr) #4

; Function Attrs: nounwind
declare i32 @vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

declare i64 @iwrc_set_errno(i64 noundef, i32 noundef) #5

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #6

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #4

; Function Attrs: nounwind uwtable
define dso_local i64 @iwxstr_printf_va(ptr noundef %0, ptr noundef %1, ptr noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca [1024 x i8], align 16
  %9 = alloca [1 x %struct.__va_list_tag], align 16
  %10 = alloca ptr, align 8
  %11 = 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
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  store i64 0, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1024, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #7
  %12 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.va_copy.p0(ptr %12, ptr %13)
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  %14 = getelementptr inbounds [1024 x i8], ptr %8, i64 0, i64 0
  store ptr %14, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %15 = load ptr, ptr %10, align 8, !tbaa !5
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call i32 @vsnprintf(ptr noundef %15, i64 noundef 1024, ptr noundef %16, ptr noundef %17) #7
  store i32 %18, ptr %11, align 4, !tbaa !11
  %19 = load i32, ptr %11, align 4, !tbaa !11
  %20 = sext i32 %19 to i64
  %21 = icmp uge i64 %20, 1024
  br i1 %21, label %22, label %44

22:                                               ; preds = %3
  %23 = load i32, ptr %11, align 4, !tbaa !11
  %24 = add nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  %26 = call noalias ptr @malloc(i64 noundef %25) #8
  store ptr %26, ptr %10, align 8, !tbaa !5
  %27 = icmp ne ptr %26, null
  br i1 %27, label %32, label %28

28:                                               ; preds = %22
  %29 = call ptr @__errno_location() #9
  %30 = load i32, ptr %29, align 4, !tbaa !11
  %31 = call i64 @iwrc_set_errno(i64 noundef 70013, i32 noundef %30)
  store i64 %31, ptr %7, align 8, !tbaa !9
  br label %50

32:                                               ; preds = %22
  %33 = load ptr, ptr %10, align 8, !tbaa !5
  %34 = load i32, ptr %11, align 4, !tbaa !11
  %35 = add nsw i32 %34, 1
  %36 = sext i32 %35 to i64
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  %39 = call i32 @vsnprintf(ptr noundef %33, i64 noundef %36, ptr noundef %37, ptr noundef %38) #7
  store i32 %39, ptr %11, align 4, !tbaa !11
  %40 = load i32, ptr %11, align 4, !tbaa !11
  %41 = icmp slt i32 %40, 0
  br i1 %41, label %42, label %43

42:                                               ; preds = %32
  store i64 70000, ptr %7, align 8, !tbaa !9
  br label %50

43:                                               ; preds = %32
  br label %44

44:                                               ; preds = %43, %3
  %45 = load ptr, ptr %4, align 8, !tbaa !5
  %46 = load ptr, ptr %10, align 8, !tbaa !5
  %47 = load i32, ptr %11, align 4, !tbaa !11
  %48 = sext i32 %47 to i64
  %49 = call i64 @iwxstr_cat(ptr noundef %45, ptr noundef %46, i64 noundef %48)
  store i64 %49, ptr %7, align 8, !tbaa !9
  br label %50

50:                                               ; preds = %44, %42, %28
  %51 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %51)
  %52 = load ptr, ptr %10, align 8, !tbaa !5
  %53 = getelementptr inbounds [1024 x i8], ptr %8, i64 0, i64 0
  %54 = icmp ne ptr %52, %53
  br i1 %54, label %55, label %57

55:                                               ; preds = %50
  %56 = load ptr, ptr %10, align 8, !tbaa !5
  call void @free(ptr noundef %56) #7
  br label %57

57:                                               ; preds = %55, %50
  %58 = load i64, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 1024, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  ret i64 %58
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #4 = { nocallback nofree nosync nounwind willreturn }
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 = { nounwind willreturn memory(none) "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) }
attributes #9 = { nounwind willreturn memory(none) }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local i64 @iwxstr_cat(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_copy.p0(ptr, ptr) #4

; Function Attrs: nofree nounwind
declare noundef i32 @vsnprintf(ptr nocapture noundef, i64 noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #5

declare i64 @iwrc_set_errno(i64 noundef, i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #7

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #4

; Function Attrs: nounwind uwtable
define dso_local i64 @iwxstr_printf_va(ptr noundef %0, ptr nocapture noundef readonly %1, ptr noundef %2) local_unnamed_addr #3 {
  %4 = alloca [1024 x i8], align 16
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %4) #8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #8
  call void @llvm.va_copy.p0(ptr nonnull %5, ptr %2)
  %6 = call i32 @vsnprintf(ptr noundef nonnull %4, i64 noundef 1024, ptr noundef %1, ptr noundef %2) #8
  %7 = icmp ugt i32 %6, 1023
  br i1 %7, label %8, label %19

8:                                                ; preds = %3
  %9 = add nsw i32 %6, 1
  %10 = sext i32 %9 to i64
  %11 = call noalias ptr @malloc(i64 noundef %10) #9
  %.not = icmp eq ptr %11, null
  br i1 %.not, label %12, label %16

12:                                               ; preds = %8
  %13 = tail call ptr @__errno_location() #10
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = call i64 @iwrc_set_errno(i64 noundef 70013, i32 noundef %14) #8
  br label %.thread

16:                                               ; preds = %8
  %17 = call i32 @vsnprintf(ptr noundef nonnull %11, i64 noundef %10, ptr noundef %1, ptr noundef nonnull %5) #8
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %.thread, label %19

.thread:                                          ; preds = %12, %16
  %.016.ph = phi i64 [ 70000, %16 ], [ %15, %12 ]
  call void @llvm.va_end.p0(ptr nonnull %5)
  br label %22

19:                                               ; preds = %3, %16
  %.015 = phi ptr [ %11, %16 ], [ %4, %3 ]
  %.0 = phi i32 [ %17, %16 ], [ %6, %3 ]
  %20 = zext nneg i32 %.0 to i64
  %21 = call i64 @iwxstr_cat(ptr noundef %0, ptr noundef nonnull %.015, i64 noundef %20)
  call void @llvm.va_end.p0(ptr nonnull %5)
  %.not20 = icmp eq ptr %.015, %4
  br i1 %.not20, label %23, label %22

22:                                               ; preds = %.thread, %19
  %.126 = phi ptr [ %11, %.thread ], [ %.015, %19 ]
  %.01624 = phi i64 [ %.016.ph, %.thread ], [ %21, %19 ]
  call void @free(ptr noundef %.126) #8
  br label %23

23:                                               ; preds = %22, %19
  %.01625 = phi i64 [ %.01624, %22 ], [ %21, %19 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %4) #8
  ret i64 %.01625
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 #2 = { 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 #3 = { 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 #4 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #5 = { 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 #6 = { "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 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 #8 = { nounwind }
attributes #9 = { nounwind allocsize(0) }
attributes #10 = { nounwind willreturn memory(none) }

!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,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass