; LLVM IR from hans-ob1/neural_cam_ros :: src/detector/image.ll_stbiw (write_run_data)

; 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"

@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [88 x i8], align 1
@__PRETTY_FUNCTION__.stbiw__write_run_data = external hidden unnamed_addr constant [55 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 @stbiw__write_run_data(ptr noundef %0, i32 noundef %1, i8 noundef zeroext %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i8, align 1
  %7 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i8 %2, ptr %6, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = add nsw i32 %8, 128
  %10 = trunc i32 %9 to i8
  store i8 %10, ptr %7, align 1, !tbaa !11
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = add nsw i32 %11, 128
  %13 = icmp sle i32 %12, 255
  br i1 %13, label %14, label %15

14:                                               ; preds = %3
  br label %16

15:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str.4, ptr noundef @.str.5, i32 noundef 265, ptr noundef @__PRETTY_FUNCTION__.stbiw__write_run_data) #5
  unreachable

16:                                               ; preds = %14
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call i64 @fwrite(ptr noundef %7, i64 noundef 1, i64 noundef 1, ptr noundef %17)
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = call i64 @fwrite(ptr noundef %6, i64 noundef 1, i64 noundef 1, ptr noundef %19)
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  ret void
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

declare i64 @fwrite(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #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 = { noreturn 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 = { "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 = { nounwind }
attributes #5 = { noreturn 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 = !{!"int", !7, i64 0}
!11 = !{!7, !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"

@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [88 x i8], align 1
@__PRETTY_FUNCTION__.stbiw__write_run_data = external hidden unnamed_addr constant [55 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @stbiw__write_run_data(ptr nocapture noundef %0, i32 noundef %1, i8 noundef zeroext %2) local_unnamed_addr #0 {
  %4 = icmp slt i32 %1, 128
  br i1 %4, label %6, label %5

5:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.5, i32 noundef 265, ptr noundef nonnull @__PRETTY_FUNCTION__.stbiw__write_run_data) #3
  unreachable

6:                                                ; preds = %3
  %7 = shl i32 %1, 24
  %sext = ashr exact i32 %7, 24
  %chari = xor i32 %sext, -128
  %fputc = tail call i32 @fputc(i32 %chari, ptr %0)
  %chari4 = sext i8 %2 to i32
  %fputc5 = tail call i32 @fputc(i32 %chari4, ptr %0)
  ret void
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

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

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 = { noreturn 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 #2 = { nofree nounwind }
attributes #3 = { noreturn 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)"}


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