; LLVM IR from eclipse-threadx/threadx :: common_modules/module_manager/utilities (module_to_binary)

; 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"

@source_file = external dso_local global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @elf_object_read(i64 noundef %0, ptr noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store i64 %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %12 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %12, ptr %10, align 8, !tbaa !9
  %13 = load ptr, ptr @source_file, align 8, !tbaa !9
  %14 = load i64, ptr %5, align 8, !tbaa !5
  %15 = call i32 @fseek(ptr noundef %13, i64 noundef %14, i32 noundef 0)
  store i32 0, ptr %8, align 4, !tbaa !11
  br label %16

16:                                               ; preds = %33, %3
  %17 = load i32, ptr %8, align 4, !tbaa !11
  %18 = load i32, ptr %7, align 4, !tbaa !11
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %20, label %36

20:                                               ; preds = %16
  %21 = load ptr, ptr @source_file, align 8, !tbaa !9
  %22 = call i32 @fgetc(ptr noundef %21)
  store i32 %22, ptr %9, align 4, !tbaa !11
  %23 = load i32, ptr %9, align 4, !tbaa !11
  %24 = icmp eq i32 %23, -1
  br i1 %24, label %25, label %26

25:                                               ; preds = %20
  store i32 1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %37

26:                                               ; preds = %20
  %27 = load i32, ptr %9, align 4, !tbaa !11
  %28 = trunc i32 %27 to i8
  %29 = load ptr, ptr %10, align 8, !tbaa !9
  %30 = load i32, ptr %8, align 4, !tbaa !11
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds i8, ptr %29, i64 %31
  store i8 %28, ptr %32, align 1, !tbaa !13
  br label %33

33:                                               ; preds = %26
  %34 = load i32, ptr %8, align 4, !tbaa !11
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %8, align 4, !tbaa !11
  br label %16, !llvm.loop !14

36:                                               ; preds = %16
  store i32 0, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %37

37:                                               ; preds = %36, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  %38 = load i32, ptr %4, align 4
  ret i32 %38
}

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

declare i32 @fseek(ptr noundef, i64 noundef, i32 noundef) #2

declare i32 @fgetc(ptr noundef) #2

; 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 = { "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 = !{!"long", !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, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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"

@source_file = external dso_local local_unnamed_addr global ptr, align 8

; Function Attrs: nofree nounwind uwtable
define dso_local range(i32 0, 2) i32 @elf_object_read(i64 noundef %0, ptr nocapture noundef writeonly %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = load ptr, ptr @source_file, align 8, !tbaa !5
  %5 = tail call i32 @fseek(ptr noundef %4, i64 noundef %0, i32 noundef 0)
  %6 = icmp sgt i32 %2, 0
  br i1 %6, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext nneg i32 %2 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %10
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %10 ]
  %7 = load ptr, ptr @source_file, align 8, !tbaa !5
  %8 = tail call i32 @fgetc(ptr noundef %7)
  %9 = icmp eq i32 %8, -1
  br i1 %9, label %._crit_edge, label %10

10:                                               ; preds = %.lr.ph
  %11 = trunc i32 %8 to i8
  %12 = getelementptr inbounds i8, ptr %1, i64 %indvars.iv
  store i8 %11, ptr %12, align 1, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10

._crit_edge:                                      ; preds = %.lr.ph, %10, %3
  %.0 = phi i32 [ 0, %3 ], [ 0, %10 ], [ 1, %.lr.ph ]
  ret i32 %.0
}

; Function Attrs: nofree nounwind
declare noundef i32 @fseek(ptr nocapture noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fgetc(ptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { 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" }
attributes #1 = { 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" }

!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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass