; LLVM IR from 0intro/wmii :: lib/libstuff/fmt (vlprint)

; 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.Fmt = type { i8, ptr, ptr, ptr, ptr, ptr, i32, [1 x %struct.__va_list_tag], i32, i32, i32, i64, ptr, ptr, ptr }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@.str = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @vlprint(i32 noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %struct.Fmt, align 8
  %9 = alloca [256 x i32], align 16
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 128, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 1024, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %12 = call ptr @nl_langinfo(i32 noundef 14) #6
  %13 = call i32 @strcmp(ptr noundef %12, ptr noundef @.str) #7
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %20, label %15

15:                                               ; preds = %3
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !9
  %18 = load ptr, ptr %7, align 8, !tbaa !9
  %19 = call i32 @vfprint(i32 noundef %16, ptr noundef %17, ptr noundef %18)
  store i32 %19, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %51

20:                                               ; preds = %3
  %21 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 0
  store i8 1, ptr %21, align 8, !tbaa !11
  %22 = getelementptr inbounds [256 x i32], ptr %9, i64 0, i64 0
  %23 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 1
  store ptr %22, ptr %23, align 8, !tbaa !14
  %24 = getelementptr inbounds [256 x i32], ptr %9, i64 0, i64 0
  %25 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 2
  store ptr %24, ptr %25, align 8, !tbaa !15
  %26 = getelementptr inbounds [256 x i32], ptr %9, i64 0, i64 0
  %27 = getelementptr inbounds i32, ptr %26, i64 256
  %28 = getelementptr inbounds i32, ptr %27, i64 -1
  %29 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 3
  store ptr %28, ptr %29, align 8, !tbaa !16
  %30 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 4
  store ptr @fmtlfdflush, ptr %30, align 8, !tbaa !17
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = inttoptr i64 %32 to ptr
  %34 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 5
  store ptr %33, ptr %34, align 8, !tbaa !18
  %35 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 6
  store i32 0, ptr %35, align 8, !tbaa !19
  %36 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 7
  %37 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %36, i64 0, i64 0
  %38 = load ptr, ptr %7, align 8, !tbaa !9
  call void @llvm.va_copy.p0(ptr %37, ptr %38)
  %39 = load ptr, ptr %6, align 8, !tbaa !9
  %40 = call i32 @dofmt(ptr noundef %8, ptr noundef %39)
  store i32 %40, ptr %10, align 4, !tbaa !5
  %41 = getelementptr inbounds %struct.Fmt, ptr %8, i32 0, i32 7
  %42 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %41, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %42)
  %43 = load i32, ptr %10, align 4, !tbaa !5
  %44 = icmp sgt i32 %43, 0
  br i1 %44, label %45, label %49

45:                                               ; preds = %20
  %46 = call i32 @fmtlfdflush(ptr noundef %8)
  %47 = icmp eq i32 %46, 0
  br i1 %47, label %48, label %49

48:                                               ; preds = %45
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %51

49:                                               ; preds = %45, %20
  %50 = load i32, ptr %10, align 4, !tbaa !5
  store i32 %50, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %51

51:                                               ; preds = %49, %48, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 1024, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 128, ptr %8) #6
  %52 = load i32, ptr %4, align 4
  ret i32 %52
}

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

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #2

; Function Attrs: nounwind
declare ptr @nl_langinfo(i32 noundef) #3

declare i32 @vfprint(i32 noundef, ptr noundef, ptr noundef) #4

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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_copy.p0(ptr, ptr) #5

declare i32 @dofmt(ptr noundef, ptr noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #5

; 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 = { nounwind willreturn memory(read) "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 = { nocallback nofree nosync nounwind willreturn }
attributes #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(read) }

!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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !7, i64 0}
!12 = !{!"Fmt", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !6, i64 48, !7, i64 56, !6, i64 80, !6, i64 84, !6, i64 88, !13, i64 96, !10, i64 104, !10, i64 112, !10, i64 120}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !10, i64 8}
!15 = !{!12, !10, i64 16}
!16 = !{!12, !10, i64 24}
!17 = !{!12, !10, i64 32}
!18 = !{!12, !10, i64 40}
!19 = !{!12, !6, i64 48}


; 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.Fmt = type { i8, ptr, ptr, ptr, ptr, ptr, i32, [1 x %struct.__va_list_tag], i32, i32, i32, i64, ptr, ptr, ptr }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@.str = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @vlprint(i32 noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = alloca %struct.Fmt, align 8
  %5 = alloca [256 x i32], align 16
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %5) #6
  %6 = tail call ptr @nl_langinfo(i32 noundef 14) #6
  %7 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %6, ptr noundef nonnull dereferenceable(1) @.str) #7
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %8, label %10

8:                                                ; preds = %3
  %9 = tail call i32 @vfprint(i32 noundef %0, ptr noundef %1, ptr noundef %2) #6
  br label %27

10:                                               ; preds = %3
  store i8 1, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %4, i64 8
  store ptr %5, ptr %11, align 8, !tbaa !12
  %12 = getelementptr inbounds i8, ptr %4, i64 16
  store ptr %5, ptr %12, align 8, !tbaa !13
  %13 = getelementptr inbounds i8, ptr %5, i64 1020
  %14 = getelementptr inbounds i8, ptr %4, i64 24
  store ptr %13, ptr %14, align 8, !tbaa !14
  %15 = getelementptr inbounds i8, ptr %4, i64 32
  store ptr @fmtlfdflush, ptr %15, align 8, !tbaa !15
  %16 = sext i32 %0 to i64
  %17 = inttoptr i64 %16 to ptr
  %18 = getelementptr inbounds i8, ptr %4, i64 40
  store ptr %17, ptr %18, align 8, !tbaa !16
  %19 = getelementptr inbounds i8, ptr %4, i64 48
  store i32 0, ptr %19, align 8, !tbaa !17
  %20 = getelementptr inbounds i8, ptr %4, i64 56
  call void @llvm.va_copy.p0(ptr nonnull %20, ptr %2)
  %21 = call i32 @dofmt(ptr noundef nonnull %4, ptr noundef %1) #6
  call void @llvm.va_end.p0(ptr nonnull %20)
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %23, label %26

23:                                               ; preds = %10
  %24 = call i32 @fmtlfdflush(ptr noundef nonnull %4)
  %25 = icmp eq i32 %24, 0
  br i1 %25, label %27, label %26

26:                                               ; preds = %23, %10
  br label %27

27:                                               ; preds = %23, %26, %8
  %.0 = phi i32 [ %21, %26 ], [ %9, %8 ], [ -1, %23 ]
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %4) #6
  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 nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare ptr @nl_langinfo(i32 noundef) local_unnamed_addr #3

declare i32 @vfprint(i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #4

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_copy.p0(ptr, ptr) #5

declare i32 @dofmt(ptr noundef, ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #5

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(read) }

!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 = !{!"Fmt", !7, i64 0, !9, i64 8, !9, i64 16, !9, i64 24, !9, i64 32, !9, i64 40, !10, i64 48, !7, i64 56, !10, i64 80, !10, i64 84, !10, i64 88, !11, i64 96, !9, i64 104, !9, i64 112, !9, i64 120}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"any pointer", !7, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!"long", !7, i64 0}
!12 = !{!6, !9, i64 8}
!13 = !{!6, !9, i64 16}
!14 = !{!6, !9, i64 24}
!15 = !{!6, !9, i64 32}
!16 = !{!6, !9, i64 40}
!17 = !{!6, !10, i64 48}


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