; LLVM IR from MQCPack/mqcPack :: examples/tools (Check)

; 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.InputLine = type { ptr, ptr, i32, i32, i32, ptr, ptr }

@.str.3 = external hidden unnamed_addr constant [2 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

declare noalias ptr @fopen(ptr noundef, ptr noundef) #1

declare i32 @fclose(ptr noundef) #1

declare i32 @fputs(ptr noundef, ptr noundef) #1

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

13:                                               ; preds = %16, %2
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %26

16:                                               ; preds = %13
  %17 = load ptr, ptr %8, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.InputLine, ptr %17, i32 0, i32 0
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  store ptr %19, ptr %9, align 8, !tbaa !5
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.InputLine, ptr %20, i32 0, i32 5
  %22 = load ptr, ptr %21, align 8, !tbaa !12
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = call i32 @fputs(ptr noundef %22, ptr noundef %23)
  store i32 %24, ptr %7, align 4, !tbaa !13
  %25 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr %25, ptr %8, align 8, !tbaa !5
  br label %13, !llvm.loop !14

26:                                               ; preds = %13
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = call i32 @fclose(ptr noundef %27)
  store i32 %28, ptr %6, align 4, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 #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/C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"InputLine", !6, i64 0, !6, i64 8, !11, i64 16, !11, i64 20, !11, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 32}
!13 = !{!11, !11, 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"

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

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fputs(ptr nocapture noundef readonly, ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind uwtable
define dso_local void @mqc_Write_InputLines(ptr nocapture noundef readonly %0, ptr noundef readonly %1) local_unnamed_addr #1 {
  %3 = tail call noalias ptr @fopen(ptr noundef %0, ptr noundef nonnull @.str.3)
  %.not8 = icmp eq ptr %1, null
  br i1 %.not8, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.09 = phi ptr [ %4, %.lr.ph ], [ %1, %2 ]
  %4 = load ptr, ptr %.09, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %.09, i64 32
  %6 = load ptr, ptr %5, align 8, !tbaa !11
  %7 = tail call i32 @fputs(ptr noundef %6, ptr noundef %3)
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge:                                      ; preds = %.lr.ph, %2
  %8 = tail call i32 @fclose(ptr noundef %3)
  ret void
}

attributes #0 = { 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 #1 = { 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" }

!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, !7, i64 0}
!6 = !{!"InputLine", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !7, i64 32, !7, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 32}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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