; LLVM IR from matz/streem :: src (exec)

; 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.strm_stream = type { i32, i32, i32, ptr, ptr, ptr, ptr, ptr, i64, i64, ptr, i32, ptr, i32 }
%struct.node_error = type { i32, i64, ptr, i32 }

@stderr = external global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; 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 void @strm_eprint(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.strm_stream, ptr %6, i32 0, i32 10
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  store ptr %8, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %12, label %11

11:                                               ; preds = %1
  store i32 1, ptr %5, align 4
  br label %39

12:                                               ; preds = %1
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.node_error, ptr %13, i32 0, i32 0
  %15 = load i32, ptr %14, align 8, !tbaa !13
  %16 = icmp eq i32 %15, 2
  br i1 %16, label %17, label %18

17:                                               ; preds = %12
  store i32 1, ptr %5, align 4
  br label %39

18:                                               ; preds = %12
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.node_error, ptr %19, i32 0, i32 2
  %21 = load ptr, ptr %20, align 8, !tbaa !15
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %32

23:                                               ; preds = %18
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.node_error, ptr %25, i32 0, i32 2
  %27 = load ptr, ptr %26, align 8, !tbaa !15
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.node_error, ptr %28, i32 0, i32 3
  %30 = load i32, ptr %29, align 8, !tbaa !16
  %31 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef @.str.2, ptr noundef %27, i32 noundef %30) #3
  br label %32

32:                                               ; preds = %23, %18
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = load ptr, ptr @stderr, align 8, !tbaa !5
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.node_error, ptr %35, i32 0, i32 1
  %37 = call i32 @exec_cputs(ptr noundef %33, ptr noundef %34, i32 noundef 1, ptr noundef %36, ptr noundef %3)
  %38 = load ptr, ptr %2, align 8, !tbaa !5
  call void @strm_clear_exc(ptr noundef %38)
  store i32 0, ptr %5, align 4
  br label %39

39:                                               ; preds = %32, %17, %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  %40 = load i32, ptr %5, align 4
  switch i32 %40, label %42 [
    i32 0, label %41
    i32 1, label %41
  ]

41:                                               ; preds = %39, %39
  ret void

42:                                               ; preds = %39
  unreachable
}

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @exec_cputs(ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @strm_clear_exc(ptr noundef) #1

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 = { 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 }

!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, !6, i64 72}
!10 = !{!"strm_stream", !11, i64 0, !11, i64 4, !11, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !12, i64 56, !12, i64 64, !6, i64 72, !11, i64 80, !6, i64 88, !11, i64 96}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !11, i64 0}
!14 = !{!"node_error", !11, i64 0, !12, i64 8, !6, i64 16, !11, i64 24}
!15 = !{!14, !6, i64 16}
!16 = !{!14, !11, i64 24}


; 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; 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 void @strm_eprint(ptr noundef %0) local_unnamed_addr #1 {
  %2 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %3 = getelementptr inbounds i8, ptr %0, i64 72
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %20, label %5

5:                                                ; preds = %1
  %6 = load i32, ptr %4, align 8, !tbaa !12
  %7 = icmp eq i32 %6, 2
  br i1 %7, label %20, label %8

8:                                                ; preds = %5
  %9 = getelementptr inbounds i8, ptr %4, i64 16
  %10 = load ptr, ptr %9, align 8, !tbaa !14
  %.not10 = icmp eq ptr %10, null
  br i1 %.not10, label %16, label %11

11:                                               ; preds = %8
  %12 = load ptr, ptr @stderr, align 8, !tbaa !15
  %13 = getelementptr inbounds i8, ptr %4, i64 24
  %14 = load i32, ptr %13, align 8, !tbaa !16
  %15 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef nonnull @.str.2, ptr noundef nonnull %10, i32 noundef %14) #4
  br label %16

16:                                               ; preds = %11, %8
  %17 = load ptr, ptr @stderr, align 8, !tbaa !15
  %18 = getelementptr inbounds i8, ptr %4, i64 8
  %19 = call i32 @exec_cputs(ptr noundef nonnull %0, ptr noundef %17, i32 noundef 1, ptr noundef nonnull %18, ptr noundef nonnull %2)
  call void @strm_clear_exc(ptr noundef nonnull %0)
  br label %20

20:                                               ; preds = %5, %1, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare hidden i32 @exec_cputs(ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @strm_clear_exc(ptr noundef) local_unnamed_addr #1

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 = { 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 #3 = { nounwind }
attributes #4 = { 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, !10, i64 72}
!6 = !{!"strm_stream", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !11, i64 56, !11, i64 64, !10, i64 72, !7, i64 80, !10, i64 88, !7, i64 96}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!13, !7, i64 0}
!13 = !{!"node_error", !7, i64 0, !11, i64 8, !10, i64 16, !7, i64 24}
!14 = !{!13, !10, i64 16}
!15 = !{!10, !10, i64 0}
!16 = !{!13, !7, i64 24}


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