; LLVM IR from libtcod/libtcod :: src/libtcod (heapq)

; 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.TCOD_Heap = type { ptr, i32, i32, i64, i64, i64, i32 }

@.str = external hidden unnamed_addr constant [38 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [83 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @TCOD_heap_init(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load i64, ptr %5, align 8, !tbaa !9
  %9 = add i64 4, %8
  store i64 %9, ptr %6, align 8, !tbaa !9
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = icmp ugt i64 %10, 256
  br i1 %11, label %12, label %16

12:                                               ; preds = %2
  %13 = load i64, ptr %6, align 8, !tbaa !9
  %14 = trunc i64 %13 to i32
  %15 = call i32 (ptr, ...) @TCOD_set_errorf(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 68, i32 noundef %14)
  store i32 %15, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %33

16:                                               ; preds = %2
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.TCOD_Heap, ptr %17, i32 0, i32 0
  store ptr null, ptr %18, align 8, !tbaa !11
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.TCOD_Heap, ptr %19, i32 0, i32 1
  store i32 0, ptr %20, align 8, !tbaa !14
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.TCOD_Heap, ptr %21, i32 0, i32 2
  store i32 0, ptr %22, align 4, !tbaa !15
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.TCOD_Heap, ptr %24, i32 0, i32 3
  store i64 %23, ptr %25, align 8, !tbaa !16
  %26 = load i64, ptr %5, align 8, !tbaa !9
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.TCOD_Heap, ptr %27, i32 0, i32 4
  store i64 %26, ptr %28, align 8, !tbaa !17
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.TCOD_Heap, ptr %29, i32 0, i32 5
  store i64 4, ptr %30, align 8, !tbaa !18
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.TCOD_Heap, ptr %31, i32 0, i32 6
  store i32 -4, ptr %32, align 8, !tbaa !19
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %33

33:                                               ; preds = %16, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %34 = load i32, ptr %3, align 4
  ret i32 %34
}

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

declare i32 @TCOD_set_errorf(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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"TCOD_Heap", !6, i64 0, !13, i64 8, !13, i64 12, !10, i64 16, !10, i64 24, !10, i64 32, !13, i64 40}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{!12, !13, i64 12}
!16 = !{!12, !10, i64 16}
!17 = !{!12, !10, i64 24}
!18 = !{!12, !10, i64 32}
!19 = !{!12, !13, i64 40}


; 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 [38 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [83 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @TCOD_heap_init(ptr nocapture noundef writeonly %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = add i64 %1, 4
  %4 = icmp ugt i64 %3, 256
  br i1 %4, label %5, label %8

5:                                                ; preds = %2
  %6 = trunc i64 %3 to i32
  %7 = tail call i32 (ptr, ...) @TCOD_set_errorf(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 68, i32 noundef %6) #3
  br label %13

8:                                                ; preds = %2
  %9 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %0, i8 0, i64 16, i1 false)
  store i64 %3, ptr %9, align 8, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %0, i64 24
  store i64 %1, ptr %10, align 8, !tbaa !12
  %11 = getelementptr inbounds i8, ptr %0, i64 32
  store i64 4, ptr %11, align 8, !tbaa !13
  %12 = getelementptr inbounds i8, ptr %0, i64 40
  store i32 -4, ptr %12, align 8, !tbaa !14
  br label %13

13:                                               ; preds = %8, %5
  %.0 = phi i32 [ %7, %5 ], [ 0, %8 ]
  ret i32 %.0
}

declare i32 @TCOD_set_errorf(ptr noundef, ...) local_unnamed_addr #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !11, i64 16}
!6 = !{!"TCOD_Heap", !7, i64 0, !10, i64 8, !10, i64 12, !11, i64 16, !11, i64 24, !11, i64 32, !10, 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 = !{!"long", !8, i64 0}
!12 = !{!6, !11, i64 24}
!13 = !{!6, !11, i64 32}
!14 = !{!6, !10, i64 40}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass