; LLVM IR from LeoVen/C-Macro-Collections :: tests (types)

; 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.cmc_alloc_node = type { ptr, ptr, ptr, ptr }
%struct.intervalheap0 = type { ptr, i64, i64, i64, i32, ptr, ptr }

@cmc_alloc_node_default = external hidden global %struct.cmc_alloc_node, align 8

; 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: nounwind uwtable
define dso_local ptr @ih0_new_custom(i64 noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store i64 %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  %12 = load ptr, ptr %9, align 8, !tbaa !9
  %13 = load i64, ptr %6, align 8, !tbaa !5
  %14 = icmp eq i64 %13, 0
  br i1 %14, label %18, label %15

15:                                               ; preds = %4
  %16 = load i64, ptr %6, align 8, !tbaa !5
  %17 = icmp eq i64 %16, -1
  br i1 %17, label %18, label %19

18:                                               ; preds = %15, %4
  store ptr null, ptr %5, align 8
  br label %75

19:                                               ; preds = %15
  %20 = load ptr, ptr %7, align 8, !tbaa !9
  %21 = icmp ne ptr %20, null
  br i1 %21, label %23, label %22

22:                                               ; preds = %19
  store ptr null, ptr %5, align 8
  br label %75

23:                                               ; preds = %19
  %24 = load ptr, ptr %8, align 8, !tbaa !9
  %25 = icmp ne ptr %24, null
  br i1 %25, label %27, label %26

26:                                               ; preds = %23
  store ptr @cmc_alloc_node_default, ptr %8, align 8, !tbaa !9
  br label %27

27:                                               ; preds = %26, %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %28 = load ptr, ptr %8, align 8, !tbaa !9
  %29 = getelementptr inbounds %struct.cmc_alloc_node, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8, !tbaa !11
  %31 = call ptr %30(i64 noundef 56)
  store ptr %31, ptr %10, align 8, !tbaa !9
  %32 = load ptr, ptr %10, align 8, !tbaa !9
  %33 = icmp ne ptr %32, null
  br i1 %33, label %35, label %34

34:                                               ; preds = %27
  store ptr null, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %74

35:                                               ; preds = %27
  %36 = load i64, ptr %6, align 8, !tbaa !5
  %37 = load i64, ptr %6, align 8, !tbaa !5
  %38 = urem i64 %37, 2
  %39 = add i64 %36, %38
  %40 = udiv i64 %39, 2
  store i64 %40, ptr %6, align 8, !tbaa !5
  %41 = load ptr, ptr %8, align 8, !tbaa !9
  %42 = getelementptr inbounds %struct.cmc_alloc_node, ptr %41, i32 0, i32 1
  %43 = load ptr, ptr %42, align 8, !tbaa !13
  %44 = load i64, ptr %6, align 8, !tbaa !5
  %45 = call ptr %43(i64 noundef %44, i64 noundef 16)
  %46 = load ptr, ptr %10, align 8, !tbaa !9
  %47 = getelementptr inbounds %struct.intervalheap0, ptr %46, i32 0, i32 0
  store ptr %45, ptr %47, align 8, !tbaa !14
  %48 = load ptr, ptr %10, align 8, !tbaa !9
  %49 = getelementptr inbounds %struct.intervalheap0, ptr %48, i32 0, i32 0
  %50 = load ptr, ptr %49, align 8, !tbaa !14
  %51 = icmp ne ptr %50, null
  br i1 %51, label %57, label %52

52:                                               ; preds = %35
  %53 = load ptr, ptr %8, align 8, !tbaa !9
  %54 = getelementptr inbounds %struct.cmc_alloc_node, ptr %53, i32 0, i32 3
  %55 = load ptr, ptr %54, align 8, !tbaa !17
  %56 = load ptr, ptr %10, align 8, !tbaa !9
  call void %55(ptr noundef %56)
  store ptr null, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %74

57:                                               ; preds = %35
  %58 = load i64, ptr %6, align 8, !tbaa !5
  %59 = load ptr, ptr %10, align 8, !tbaa !9
  %60 = getelementptr inbounds %struct.intervalheap0, ptr %59, i32 0, i32 1
  store i64 %58, ptr %60, align 8, !tbaa !18
  %61 = load ptr, ptr %10, align 8, !tbaa !9
  %62 = getelementptr inbounds %struct.intervalheap0, ptr %61, i32 0, i32 2
  store i64 0, ptr %62, align 8, !tbaa !19
  %63 = load ptr, ptr %10, align 8, !tbaa !9
  %64 = getelementptr inbounds %struct.intervalheap0, ptr %63, i32 0, i32 3
  store i64 0, ptr %64, align 8, !tbaa !20
  %65 = load ptr, ptr %10, align 8, !tbaa !9
  %66 = getelementptr inbounds %struct.intervalheap0, ptr %65, i32 0, i32 4
  store i32 0, ptr %66, align 8, !tbaa !21
  %67 = load ptr, ptr %7, align 8, !tbaa !9
  %68 = load ptr, ptr %10, align 8, !tbaa !9
  %69 = getelementptr inbounds %struct.intervalheap0, ptr %68, i32 0, i32 5
  store ptr %67, ptr %69, align 8, !tbaa !22
  %70 = load ptr, ptr %8, align 8, !tbaa !9
  %71 = load ptr, ptr %10, align 8, !tbaa !9
  %72 = getelementptr inbounds %struct.intervalheap0, ptr %71, i32 0, i32 6
  store ptr %70, ptr %72, align 8, !tbaa !23
  %73 = load ptr, ptr %10, align 8, !tbaa !9
  store ptr %73, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %74

74:                                               ; preds = %57, %52, %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  br label %75

75:                                               ; preds = %74, %22, %18
  %76 = load ptr, ptr %5, align 8
  ret ptr %76
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"cmc_alloc_node", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!13 = !{!12, !10, i64 8}
!14 = !{!15, !10, i64 0}
!15 = !{!"intervalheap0", !10, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !16, i64 32, !10, i64 40, !10, i64 48}
!16 = !{!"int", !7, i64 0}
!17 = !{!12, !10, i64 24}
!18 = !{!15, !6, i64 8}
!19 = !{!15, !6, i64 16}
!20 = !{!15, !6, i64 24}
!21 = !{!15, !16, i64 32}
!22 = !{!15, !10, i64 40}
!23 = !{!15, !10, i64 48}


; 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"

%struct.cmc_alloc_node = type { ptr, ptr, ptr, ptr }

@cmc_alloc_node_default = external hidden global %struct.cmc_alloc_node, align 8

; Function Attrs: nounwind uwtable
define dso_local ptr @ih0_new_custom(i64 noundef %0, ptr noundef %1, ptr noundef %2, ptr nocapture noundef readnone %3) local_unnamed_addr #0 {
  %5 = add i64 %0, 1
  %or.cond = icmp ult i64 %5, 2
  %.not = icmp eq ptr %1, null
  %or.cond32 = or i1 %or.cond, %.not
  br i1 %or.cond32, label %24, label %6

6:                                                ; preds = %4
  %.not29 = icmp eq ptr %2, null
  %spec.store.select = select i1 %.not29, ptr @cmc_alloc_node_default, ptr %2
  %7 = load ptr, ptr %spec.store.select, align 8, !tbaa !5
  %8 = tail call ptr %7(i64 noundef 56) #2
  %.not30 = icmp eq ptr %8, null
  br i1 %.not30, label %24, label %9

9:                                                ; preds = %6
  %10 = and i64 %0, 1
  %11 = add nuw i64 %10, %0
  %12 = lshr i64 %11, 1
  %13 = getelementptr inbounds i8, ptr %spec.store.select, i64 8
  %14 = load ptr, ptr %13, align 8, !tbaa !10
  %15 = tail call ptr %14(i64 noundef %12, i64 noundef 16) #2
  store ptr %15, ptr %8, align 8, !tbaa !11
  %.not31 = icmp eq ptr %15, null
  br i1 %.not31, label %16, label %19

16:                                               ; preds = %9
  %17 = getelementptr inbounds i8, ptr %spec.store.select, i64 24
  %18 = load ptr, ptr %17, align 8, !tbaa !15
  tail call void %18(ptr noundef nonnull %8) #2
  br label %24

19:                                               ; preds = %9
  %20 = getelementptr inbounds i8, ptr %8, i64 8
  store i64 %12, ptr %20, align 8, !tbaa !16
  %21 = getelementptr inbounds i8, ptr %8, i64 16
  %22 = getelementptr inbounds i8, ptr %8, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(20) %21, i8 0, i64 20, i1 false)
  store ptr %1, ptr %22, align 8, !tbaa !17
  %23 = getelementptr inbounds i8, ptr %8, i64 48
  store ptr %spec.store.select, ptr %23, align 8, !tbaa !18
  br label %24

24:                                               ; preds = %16, %19, %6, %4
  %.1 = phi ptr [ null, %4 ], [ %8, %19 ], [ null, %16 ], [ null, %6 ]
  ret ptr %.1
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 = !{!"cmc_alloc_node", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!12, !7, i64 0}
!12 = !{!"intervalheap0", !7, i64 0, !13, i64 8, !13, i64 16, !13, i64 24, !14, i64 32, !7, i64 40, !7, i64 48}
!13 = !{!"long", !8, i64 0}
!14 = !{!"int", !8, i64 0}
!15 = !{!6, !7, i64 24}
!16 = !{!12, !13, i64 8}
!17 = !{!12, !7, i64 40}
!18 = !{!12, !7, i64 48}


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