; LLVM IR from ligurio/unreliablefs :: unreliablefs/tests (fsx)

; 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.log_entry = type { i32, [3 x i32] }

@logptr = external dso_local global i32, align 4
@logcount = external dso_local global i32, align 4
@oplog = external dso_local global [1000 x %struct.log_entry], align 16

; 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 @do_log4(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !5
  store i32 %3, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %10 = load i32, ptr @logptr, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [1000 x %struct.log_entry], ptr @oplog, i64 0, i64 %11
  store ptr %12, ptr %9, align 8, !tbaa !9
  %13 = load i32, ptr %5, align 4, !tbaa !5
  %14 = load ptr, ptr %9, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.log_entry, ptr %14, i32 0, i32 0
  store i32 %13, ptr %15, align 4, !tbaa !11
  %16 = load i32, ptr %6, align 4, !tbaa !5
  %17 = load ptr, ptr %9, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.log_entry, ptr %17, i32 0, i32 1
  %19 = getelementptr inbounds [3 x i32], ptr %18, i64 0, i64 0
  store i32 %16, ptr %19, align 4, !tbaa !5
  %20 = load i32, ptr %7, align 4, !tbaa !5
  %21 = load ptr, ptr %9, align 8, !tbaa !9
  %22 = getelementptr inbounds %struct.log_entry, ptr %21, i32 0, i32 1
  %23 = getelementptr inbounds [3 x i32], ptr %22, i64 0, i64 1
  store i32 %20, ptr %23, align 4, !tbaa !5
  %24 = load i32, ptr %8, align 4, !tbaa !5
  %25 = load ptr, ptr %9, align 8, !tbaa !9
  %26 = getelementptr inbounds %struct.log_entry, ptr %25, i32 0, i32 1
  %27 = getelementptr inbounds [3 x i32], ptr %26, i64 0, i64 2
  store i32 %24, ptr %27, align 4, !tbaa !5
  %28 = load i32, ptr @logptr, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr @logptr, align 4, !tbaa !5
  %30 = load i32, ptr @logcount, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr @logcount, align 4, !tbaa !5
  %32 = load i32, ptr @logptr, align 4, !tbaa !5
  %33 = icmp sge i32 %32, 1000
  br i1 %33, label %34, label %35

34:                                               ; preds = %4
  store i32 0, ptr @logptr, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %34, %4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  ret void
}

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 }

!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, !6, i64 0}
!12 = !{!"log_entry", !6, i64 0, !7, i64 4}


; 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.log_entry = type { i32, [3 x i32] }

@logptr = external dso_local local_unnamed_addr global i32, align 4
@logcount = external dso_local local_unnamed_addr global i32, align 4
@oplog = external dso_local local_unnamed_addr global [1000 x %struct.log_entry], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @do_log4(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = load i32, ptr @logptr, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = getelementptr inbounds [1000 x %struct.log_entry], ptr @oplog, i64 0, i64 %6
  store i32 %0, ptr %7, align 16, !tbaa !9
  %8 = getelementptr inbounds i8, ptr %7, i64 4
  store i32 %1, ptr %8, align 4, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %7, i64 8
  store i32 %2, ptr %9, align 8, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %7, i64 12
  store i32 %3, ptr %10, align 4, !tbaa !5
  %11 = add nsw i32 %5, 1
  store i32 %11, ptr @logptr, align 4, !tbaa !5
  %12 = load i32, ptr @logcount, align 4, !tbaa !5
  %13 = add nsw i32 %12, 1
  store i32 %13, ptr @logcount, align 4, !tbaa !5
  %14 = icmp sgt i32 %5, 998
  br i1 %14, label %15, label %16

15:                                               ; preds = %4
  store i32 0, ptr @logptr, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %15, %4
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"log_entry", !6, i64 0, !7, i64 4}


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