; LLVM IR from InductiveComputerScience/infracore :: drivers/disk-linux-file (disk-linux-file)

; 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.DiskStructure = type { ptr }
%struct.DiskStructureLinux = type { i32, %union.sem_t, ptr, i64, i64 }
%union.sem_t = type { i64, [24 x i8] }

@.str = external hidden unnamed_addr constant [33 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @CreateLinuxFile(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  store i64 %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %11 = call noalias ptr @malloc(i64 noundef 8) #6
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %11, ptr %12, align 8, !tbaa !5
  %13 = call noalias ptr @malloc(i64 noundef 64) #6
  store ptr %13, ptr %10, align 8, !tbaa !5
  %14 = load ptr, ptr %10, align 8, !tbaa !5
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %15, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.DiskStructure, ptr %16, i32 0, i32 0
  store ptr %14, ptr %17, align 8, !tbaa !11
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load ptr, ptr %10, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.DiskStructureLinux, ptr %19, i32 0, i32 2
  store ptr %18, ptr %20, align 8, !tbaa !13
  %21 = load i64, ptr %7, align 8, !tbaa !9
  %22 = load ptr, ptr %10, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.DiskStructureLinux, ptr %22, i32 0, i32 3
  store i64 %21, ptr %23, align 8, !tbaa !16
  %24 = load i64, ptr %8, align 8, !tbaa !9
  %25 = load ptr, ptr %10, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.DiskStructureLinux, ptr %25, i32 0, i32 4
  store i64 %24, ptr %26, align 8, !tbaa !17
  %27 = load ptr, ptr %10, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.DiskStructureLinux, ptr %27, i32 0, i32 2
  %29 = load ptr, ptr %28, align 8, !tbaa !13
  %30 = call i32 @sys_open(ptr noundef %29, i32 noundef 2, i32 noundef 0)
  %31 = load ptr, ptr %10, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.DiskStructureLinux, ptr %31, i32 0, i32 0
  store i32 %30, ptr %32, align 8, !tbaa !18
  %33 = load ptr, ptr %10, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.DiskStructureLinux, ptr %33, i32 0, i32 1
  %35 = call i32 @sem_init(ptr noundef %34, i32 noundef 0, i32 noundef 1) #5
  %36 = load ptr, ptr %10, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.DiskStructureLinux, ptr %36, i32 0, i32 0
  %38 = load i32, ptr %37, align 8, !tbaa !18
  %39 = icmp sgt i32 %38, 0
  br i1 %39, label %40, label %41

40:                                               ; preds = %4
  store i32 1, ptr %9, align 4, !tbaa !19
  br label %49

41:                                               ; preds = %4
  %42 = load ptr, ptr %10, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.DiskStructureLinux, ptr %42, i32 0, i32 2
  %44 = load ptr, ptr %43, align 8, !tbaa !13
  %45 = load ptr, ptr %10, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.DiskStructureLinux, ptr %45, i32 0, i32 0
  %47 = load i32, ptr %46, align 8, !tbaa !18
  %48 = call i32 (ptr, ...) @printf(ptr noundef @.str, ptr noundef %44, i32 noundef %47)
  store i32 0, ptr %9, align 4, !tbaa !19
  br label %49

49:                                               ; preds = %41, %40
  %50 = load i32, ptr %9, align 4, !tbaa !19
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  ret i32 %50
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

declare i32 @sys_open(ptr noundef, i32 noundef, i32 noundef) #3

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

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 = { "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 "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 }
attributes #6 = { nounwind allocsize(0) }

!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, !6, i64 0}
!12 = !{!"DiskStructure", !6, i64 0}
!13 = !{!14, !6, i64 40}
!14 = !{!"DiskStructureLinux", !15, i64 0, !7, i64 8, !6, i64 40, !10, i64 48, !10, i64 56}
!15 = !{!"int", !7, i64 0}
!16 = !{!14, !10, i64 48}
!17 = !{!14, !10, i64 56}
!18 = !{!14, !15, i64 0}
!19 = !{!15, !15, 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 = external hidden unnamed_addr constant [33 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @CreateLinuxFile(ptr nocapture noundef writeonly %0, ptr noundef %1, i64 noundef %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = tail call noalias dereferenceable_or_null(8) ptr @malloc(i64 noundef 8) #5
  store ptr %5, ptr %0, align 8, !tbaa !5
  %6 = tail call noalias dereferenceable_or_null(64) ptr @malloc(i64 noundef 64) #5
  store ptr %6, ptr %5, align 8, !tbaa !9
  %7 = getelementptr inbounds i8, ptr %6, i64 40
  store ptr %1, ptr %7, align 8, !tbaa !11
  %8 = getelementptr inbounds i8, ptr %6, i64 48
  store i64 %2, ptr %8, align 8, !tbaa !15
  %9 = getelementptr inbounds i8, ptr %6, i64 56
  store i64 %3, ptr %9, align 8, !tbaa !16
  %10 = tail call i32 @sys_open(ptr noundef %1, i32 noundef 2, i32 noundef 0) #6
  store i32 %10, ptr %6, align 8, !tbaa !17
  %11 = getelementptr inbounds i8, ptr %6, i64 8
  %12 = tail call i32 @sem_init(ptr noundef nonnull %11, i32 noundef 0, i32 noundef 1) #6
  %13 = load i32, ptr %6, align 8, !tbaa !17
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %18, label %15

15:                                               ; preds = %4
  %16 = load ptr, ptr %7, align 8, !tbaa !11
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, ptr noundef %16, i32 noundef %13)
  br label %18

18:                                               ; preds = %4, %15
  %.0 = phi i32 [ 0, %15 ], [ 1, %4 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

declare i32 @sys_open(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @sem_init(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

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

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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { "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 "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 = { 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 allocsize(0) }
attributes #6 = { 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 0}
!10 = !{!"DiskStructure", !6, i64 0}
!11 = !{!12, !6, i64 40}
!12 = !{!"DiskStructureLinux", !13, i64 0, !7, i64 8, !6, i64 40, !14, i64 48, !14, i64 56}
!13 = !{!"int", !7, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!12, !14, i64 48}
!16 = !{!12, !14, i64 56}
!17 = !{!12, !13, i64 0}


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