; LLVM IR from CRAFT-THU/BSim :: src/utils/utils.ll (Z9loadArrayPKci)

; 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.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [28 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 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: mustprogress uwtable
define dso_local noundef ptr @_Z9loadArrayPKci(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = sext i32 %10 to i64
  %12 = mul i64 4, %11
  %13 = call noalias ptr @malloc(i64 noundef %12) #5
  store ptr %13, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = call noalias ptr @fopen(ptr noundef %14, ptr noundef @.str.2)
  store ptr %15, ptr %7, align 8, !tbaa !5
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = icmp eq ptr %16, null
  br i1 %17, label %18, label %22

18:                                               ; preds = %2
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, ptr noundef %19)
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %21, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %44

22:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %35, %22
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %38

28:                                               ; preds = %23
  %29 = load ptr, ptr %7, align 8, !tbaa !5
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = load i32, ptr %9, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds float, ptr %30, i64 %32
  %34 = call i32 (ptr, ptr, ...) @__isoc99_fscanf(ptr noundef %29, ptr noundef @.str.4, ptr noundef %33)
  br label %35

35:                                               ; preds = %28
  %36 = load i32, ptr %9, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %9, align 4, !tbaa !9
  br label %23, !llvm.loop !11

38:                                               ; preds = %27
  %39 = load ptr, ptr %7, align 8, !tbaa !5
  %40 = call i32 @fflush(ptr noundef %39)
  %41 = load ptr, ptr %7, align 8, !tbaa !5
  %42 = call i32 @fclose(ptr noundef %41)
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %43, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %44

44:                                               ; preds = %38, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %45 = load ptr, ptr %3, align 8
  ret ptr %45
}

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

declare noalias ptr @fopen(ptr noundef, ptr noundef) #3

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

declare i32 @__isoc99_fscanf(ptr noundef, ptr noundef, ...) #3

declare i32 @fflush(ptr noundef) #3

declare i32 @fclose(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 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 }
attributes #5 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [28 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z9loadArrayPKci(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = sext i32 %1 to i64
  %4 = shl nsw i64 %3, 2
  %5 = tail call noalias ptr @malloc(i64 noundef %4) #4
  %6 = tail call noalias ptr @fopen(ptr noundef %0, ptr noundef nonnull @.str.2)
  %7 = icmp eq ptr %6, null
  br i1 %7, label %9, label %.preheader

.preheader:                                       ; preds = %2
  %8 = icmp sgt i32 %1, 0
  br i1 %8, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

9:                                                ; preds = %2
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, ptr noundef %0)
  br label %15

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %11 = tail call i32 @fflush(ptr noundef nonnull %6)
  %12 = tail call i32 @fclose(ptr noundef nonnull %6)
  br label %15

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %13 = getelementptr inbounds float, ptr %5, i64 %indvars.iv
  %14 = tail call i32 (ptr, ptr, ...) @__isoc99_fscanf(ptr noundef nonnull %6, ptr noundef nonnull @.str.4, ptr noundef %13)
  %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 !5

15:                                               ; preds = %._crit_edge, %9
  ret ptr %5
}

; 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

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #2

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

declare i32 @__isoc99_fscanf(ptr noundef, ptr noundef, ...) local_unnamed_addr #3

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

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

attributes #0 = { mustprogress 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 = { 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 #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 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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