; LLVM IR from microsoft/Multiverso :: Applications/WordEmbedding/src (dictionary)

; 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.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 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
declare dso_local void @_ZN13wordembedding10Dictionary6InsertEPKcl(ptr noundef nonnull align 8 dereferenceable(152), ptr noundef, i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN13wordembedding10Dictionary12LoadFromFileEPKc(ptr noundef nonnull align 8 dereferenceable(152) %0, ptr noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca [901 x i8], align 16
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = call noalias ptr @fopen(ptr noundef %9, ptr noundef @.str.1)
  store ptr %10, ptr %5, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %28

13:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 901, ptr %6) #3
  br label %14

14:                                               ; preds = %19, %13
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds [901 x i8], ptr %6, i64 0, i64 0
  %17 = call i32 (ptr, ptr, ...) @__isoc99_fscanf(ptr noundef %15, ptr noundef @.str.2, ptr noundef %16, i32 noundef 901)
  %18 = icmp ne i32 %17, -1
  br i1 %18, label %19, label %25

19:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call i32 (ptr, ptr, ...) @__isoc99_fscanf(ptr noundef %20, ptr noundef @.str.3, ptr noundef %7)
  %22 = getelementptr inbounds [901 x i8], ptr %6, i64 0, i64 0
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  call void @_ZN13wordembedding10Dictionary6InsertEPKcl(ptr noundef nonnull align 8 dereferenceable(152) %8, ptr noundef %22, i64 noundef %24)
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %14, !llvm.loop !11

25:                                               ; preds = %14
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = call i32 @fclose(ptr noundef %26)
  call void @llvm.lifetime.end.p0(i64 901, ptr %6) #3
  br label %28

28:                                               ; preds = %25, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

declare noalias ptr @fopen(ptr noundef, ptr noundef) #2

declare i32 @__isoc99_fscanf(ptr noundef, ptr noundef, ...) #2

declare i32 @fclose(ptr noundef) #2

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 = { "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 = !{!"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.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13wordembedding10Dictionary6InsertEPKcl(ptr noundef nonnull align 8 dereferenceable(152), ptr noundef, i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN13wordembedding10Dictionary12LoadFromFileEPKc(ptr noundef nonnull align 8 dereferenceable(152) %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 align 2 {
  %3 = alloca [901 x i8], align 16
  %4 = alloca i32, align 4
  %5 = tail call noalias ptr @fopen(ptr noundef %1, ptr noundef nonnull @.str.1)
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %13, label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 901, ptr nonnull %3) #4
  %7 = call i32 (ptr, ptr, ...) @__isoc99_fscanf(ptr noundef nonnull %5, ptr noundef nonnull @.str.2, ptr noundef nonnull %3, i32 noundef 901)
  %.not67 = icmp eq i32 %7, -1
  br i1 %.not67, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %6, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %8 = call i32 (ptr, ptr, ...) @__isoc99_fscanf(ptr noundef nonnull %5, ptr noundef nonnull @.str.3, ptr noundef nonnull %4)
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  call void @_ZN13wordembedding10Dictionary6InsertEPKcl(ptr noundef nonnull align 8 dereferenceable(152) %0, ptr noundef nonnull %3, i64 noundef %10)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  %11 = call i32 (ptr, ptr, ...) @__isoc99_fscanf(ptr noundef nonnull %5, ptr noundef nonnull @.str.2, ptr noundef nonnull %3, i32 noundef 901)
  %.not6 = icmp eq i32 %11, -1
  br i1 %.not6, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %6
  %12 = call i32 @fclose(ptr noundef nonnull %5)
  call void @llvm.lifetime.end.p0(i64 901, ptr nonnull %3) #4
  br label %13

13:                                               ; preds = %._crit_edge, %2
  ret void
}

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

attributes #0 = { mustprogress 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 = { 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 }

!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++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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