; LLVM IR from yudi-matsuzake/libgenerics :: doc/examples (pqueue0)

; 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.priority_queue_t = type { i64, i64, ptr, ptr, %struct.vector_t }
%struct.vector_t = type { ptr, i64, i64, i64 }

@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @print(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.priority_queue_t, ptr %5, i32 0, i32 0
  %7 = load i64, ptr %6, align 8, !tbaa !9
  %8 = call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %7)
  store i64 0, ptr %3, align 8, !tbaa !13
  br label %9

9:                                                ; preds = %22, %1
  %10 = load i64, ptr %3, align 8, !tbaa !13
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.priority_queue_t, ptr %11, i32 0, i32 0
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = icmp ult i64 %10, %13
  br i1 %14, label %15, label %25

15:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.priority_queue_t, ptr %16, i32 0, i32 4
  %18 = load i64, ptr %3, align 8, !tbaa !13
  %19 = call i32 @vector_at(ptr noundef %17, i64 noundef %18, ptr noundef %4)
  %20 = load i32, ptr %4, align 4, !tbaa !14
  %21 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %20)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %22

22:                                               ; preds = %15
  %23 = load i64, ptr %3, align 8, !tbaa !13
  %24 = add i64 %23, 1
  store i64 %24, ptr %3, align 8, !tbaa !13
  br label %9, !llvm.loop !16

25:                                               ; preds = %9
  %26 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

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

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

declare i32 @vector_at(ptr noundef, i64 noundef, 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"priority_queue_t", !11, i64 0, !11, i64 8, !6, i64 16, !6, i64 24, !12, i64 32}
!11 = !{!"long", !7, i64 0}
!12 = !{!"vector_t", !6, i64 0, !11, i64 8, !11, i64 16, !11, i64 24}
!13 = !{!11, !11, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"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 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @print(ptr noundef %0) local_unnamed_addr #0 {
  %2 = alloca i32, align 4
  %3 = load i64, ptr %0, align 8, !tbaa !5
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %3)
  %5 = load i64, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 32
  br label %7

7:                                                ; preds = %.lr.ph, %7
  %.05 = phi i64 [ 0, %.lr.ph ], [ %11, %7 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  %8 = call i32 @vector_at(ptr noundef nonnull %6, i64 noundef %.05, ptr noundef nonnull %2) #4
  %9 = load i32, ptr %2, align 4, !tbaa !12
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  %11 = add nuw i64 %.05, 1
  %12 = load i64, ptr %0, align 8, !tbaa !5
  %13 = icmp ult i64 %11, %12
  br i1 %13, label %7, label %._crit_edge, !llvm.loop !14

._crit_edge:                                      ; preds = %7, %1
  %14 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  ret void
}

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

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

declare i32 @vector_at(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !7, i64 0}
!6 = !{!"priority_queue_t", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 24, !11, i64 32}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"vector_t", !10, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !8, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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