; LLVM IR from QiaoLiuHit/LSOTB-TIR :: vlfeat-0.9.19/vl (generic)

; 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 }
%struct._VlThreadState = type { i32, [1024 x i8], %struct._VlRand, i64 }
%struct._VlRand = type { [624 x i32], i32 }

; 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: nounwind uwtable
define dso_local i32 @vl_set_last_error(i32 noundef %0, ptr noundef %1, ...) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca [1 x %struct.__va_list_tag], align 16
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %7 = call ptr @vl_get_thread_specific_state()
  store ptr %7, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #5
  %8 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %6, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %8)
  %9 = load ptr, ptr %4, align 8, !tbaa !9
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %18

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !9
  %13 = getelementptr inbounds %struct._VlThreadState, ptr %12, i32 0, i32 1
  %14 = getelementptr inbounds [1024 x i8], ptr %13, i64 0, i64 0
  %15 = load ptr, ptr %4, align 8, !tbaa !9
  %16 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %6, i64 0, i64 0
  %17 = call i32 @vsnprintf(ptr noundef %14, i64 noundef 1024, ptr noundef %15, ptr noundef %16) #5
  br label %22

18:                                               ; preds = %2
  %19 = load ptr, ptr %5, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct._VlThreadState, ptr %19, i32 0, i32 1
  %21 = getelementptr inbounds [1024 x i8], ptr %20, i64 0, i64 0
  store i8 0, ptr %21, align 4, !tbaa !11
  br label %22

22:                                               ; preds = %18, %11
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = load ptr, ptr %5, align 8, !tbaa !9
  %25 = getelementptr inbounds %struct._VlThreadState, ptr %24, i32 0, i32 0
  store i32 %23, ptr %25, align 8, !tbaa !12
  %26 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %6, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %26)
  %27 = load i32, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret i32 %27
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @vl_get_thread_specific_state() #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #3

; Function Attrs: nounwind
declare i32 @vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #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 = !{!"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 = !{!7, !7, i64 0}
!12 = !{!13, !6, i64 0}
!13 = !{!"_VlThreadState", !6, i64 0, !7, i64 4, !14, i64 1028, !15, i64 3528}
!14 = !{!"_VlRand", !7, i64 0, !6, i64 2496}
!15 = !{!"long", !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: nounwind uwtable
define dso_local noundef i32 @vl_set_last_error(i32 noundef returned %0, ptr noundef readonly %1, ...) local_unnamed_addr #1 {
  %3 = alloca [1 x %struct.__va_list_tag], align 16
  %4 = tail call ptr @vl_get_thread_specific_state()
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.va_start.p0(ptr nonnull %3)
  %.not = icmp eq ptr %1, null
  %5 = getelementptr inbounds i8, ptr %4, i64 4
  br i1 %.not, label %8, label %6

6:                                                ; preds = %2
  %7 = call i32 @vsnprintf(ptr noundef nonnull %5, i64 noundef 1024, ptr noundef nonnull %1, ptr noundef nonnull %3) #5
  br label %9

8:                                                ; preds = %2
  store i8 0, ptr %5, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %8, %6
  store i32 %0, ptr %4, align 8, !tbaa !8
  call void @llvm.va_end.p0(ptr nonnull %3)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  ret i32 %0
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @vl_get_thread_specific_state() local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #3

; Function Attrs: nofree nounwind
declare noundef i32 @vsnprintf(ptr nocapture noundef, i64 noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 0}
!9 = !{!"_VlThreadState", !10, i64 0, !6, i64 4, !11, i64 1028, !12, i64 3528}
!10 = !{!"int", !6, i64 0}
!11 = !{!"_VlRand", !6, i64 0, !10, i64 2496}
!12 = !{!"long", !6, i64 0}


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