; LLVM IR from aagdev/mlimgsynth :: src/ccommon (stream)

; 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.StreamInt = type { [3 x 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

declare i32 @fseek(ptr noundef, i64 noundef, i32 noundef) #1

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

19:                                               ; preds = %3
  store i64 -261, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %35

20:                                               ; preds = %3
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  %22 = load i64, ptr %9, align 8, !tbaa !9
  %23 = load i32, ptr %7, align 4, !tbaa !11
  %24 = call i32 @fseek(ptr noundef %21, i64 noundef %22, i32 noundef %23)
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %27

26:                                               ; preds = %20
  store i64 -266, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %35

27:                                               ; preds = %20
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = call i64 @ftell(ptr noundef %28)
  store i64 %29, ptr %9, align 8, !tbaa !9
  %30 = load i64, ptr %9, align 8, !tbaa !9
  %31 = icmp eq i64 %30, -1
  br i1 %31, label %32, label %33

32:                                               ; preds = %27
  store i64 -267, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %35

33:                                               ; preds = %27
  %34 = load i64, ptr %9, align 8, !tbaa !9
  store i64 %34, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %35

35:                                               ; preds = %33, %32, %26, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %36 = load i64, ptr %4, align 8
  ret i64 %36
}

declare i64 @ftell(ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 }

!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"

; Function Attrs: nofree nounwind
declare noundef i32 @fseek(ptr nocapture noundef, i64 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind uwtable
define dso_local range(i64 0, -1) i64 @stream_stdio_seek(ptr nocapture noundef readonly %0, i64 noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %5 = tail call i32 @fseek(ptr noundef %4, i64 noundef %1, i32 noundef %2)
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %6, label %9

6:                                                ; preds = %3
  %7 = tail call i64 @ftell(ptr noundef %4)
  %8 = icmp eq i64 %7, -1
  %. = select i1 %8, i64 -267, i64 %7
  br label %9

9:                                                ; preds = %6, %3
  %.0 = phi i64 [ -266, %3 ], [ %., %6 ]
  ret i64 %.0
}

; Function Attrs: nofree nounwind
declare noundef i64 @ftell(ptr nocapture noundef) local_unnamed_addr #0

attributes #0 = { 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 #1 = { 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" }

!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"}


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