; LLVM IR from bartobri/data-structures-c :: priority-queue/array-ordered (main)

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

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  %3 = call i64 @time(ptr noundef null) #4
  %4 = trunc i64 %3 to i32
  call void @srand(i32 noundef %4) #4
  call void @PQinit(i32 noundef 10)
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %5

5:                                                ; preds = %11, %0
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = icmp slt i32 %6, 10
  br i1 %7, label %8, label %14

8:                                                ; preds = %5
  %9 = call i32 @rand() #4
  %10 = srem i32 %9, 100
  call void @PQinsert(i32 noundef %10)
  br label %11

11:                                               ; preds = %8
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = add nsw i32 %12, 1
  store i32 %13, ptr %2, align 4, !tbaa !5
  br label %5, !llvm.loop !9

14:                                               ; preds = %5
  br label %15

15:                                               ; preds = %19, %14
  %16 = call i32 @PQempty()
  %17 = icmp ne i32 %16, 0
  %18 = xor i1 %17, true
  br i1 %18, label %19, label %22

19:                                               ; preds = %15
  %20 = call i32 @PQdelmax()
  %21 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %20)
  br label %15, !llvm.loop !11

22:                                               ; preds = %15
  %23 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  ret i32 0
}

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

; Function Attrs: nounwind
declare void @srand(i32 noundef) #2

; Function Attrs: nounwind
declare i64 @time(ptr noundef) #2

declare void @PQinit(i32 noundef) #3

declare void @PQinsert(i32 noundef) #3

; Function Attrs: nounwind
declare i32 @rand() #2

declare i32 @PQempty() #3

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

declare i32 @PQdelmax() #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 "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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
.preheader:
  %0 = tail call i64 @time(ptr noundef null) #4
  %1 = trunc i64 %0 to i32
  tail call void @srand(i32 noundef %1) #4
  tail call void @PQinit(i32 noundef 10) #4
  %2 = tail call i32 @rand() #4
  %3 = srem i32 %2, 100
  tail call void @PQinsert(i32 noundef %3) #4
  %4 = tail call i32 @rand() #4
  %5 = srem i32 %4, 100
  tail call void @PQinsert(i32 noundef %5) #4
  %6 = tail call i32 @rand() #4
  %7 = srem i32 %6, 100
  tail call void @PQinsert(i32 noundef %7) #4
  %8 = tail call i32 @rand() #4
  %9 = srem i32 %8, 100
  tail call void @PQinsert(i32 noundef %9) #4
  %10 = tail call i32 @rand() #4
  %11 = srem i32 %10, 100
  tail call void @PQinsert(i32 noundef %11) #4
  %12 = tail call i32 @rand() #4
  %13 = srem i32 %12, 100
  tail call void @PQinsert(i32 noundef %13) #4
  %14 = tail call i32 @rand() #4
  %15 = srem i32 %14, 100
  tail call void @PQinsert(i32 noundef %15) #4
  %16 = tail call i32 @rand() #4
  %17 = srem i32 %16, 100
  tail call void @PQinsert(i32 noundef %17) #4
  %18 = tail call i32 @rand() #4
  %19 = srem i32 %18, 100
  tail call void @PQinsert(i32 noundef %19) #4
  %20 = tail call i32 @rand() #4
  %21 = srem i32 %20, 100
  tail call void @PQinsert(i32 noundef %21) #4
  %22 = tail call i32 @PQempty() #4
  %.not3 = icmp eq i32 %22, 0
  br i1 %.not3, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %23 = tail call i32 @PQdelmax() #4
  %24 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %23)
  %25 = tail call i32 @PQempty() #4
  %.not = icmp eq i32 %25, 0
  br i1 %.not, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %26 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  ret i32 0
}

; Function Attrs: nounwind
declare void @srand(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind
declare i64 @time(ptr noundef) local_unnamed_addr #1

declare void @PQinit(i32 noundef) local_unnamed_addr #2

declare void @PQinsert(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @rand() local_unnamed_addr #1

declare i32 @PQempty() local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

declare i32 @PQdelmax() local_unnamed_addr #2

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


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