; 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"

%union.union_u = type { %struct.struct_s }
%struct.struct_s = type { i32, i32, ptr, ptr, [10 x double] }
%struct.deque6 = type { ptr, i64, i64, i64, i64, i32, ptr, ptr }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @d6_empty(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @d6_back(ptr dead_on_unwind noalias writable sret(%union.union_u) align 8 %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  store ptr %1, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = call zeroext i1 @d6_empty(ptr noundef %4)
  br i1 %5, label %6, label %9

6:                                                ; preds = %2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.deque6, ptr %7, i32 0, i32 5
  store i32 2, ptr %8, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 8 %0, i8 0, i64 104, i1 false)
  br label %32

9:                                                ; preds = %2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.deque6, ptr %10, i32 0, i32 5
  store i32 0, ptr %11, align 8, !tbaa !9
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.deque6, ptr %12, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.deque6, ptr %15, i32 0, i32 4
  %17 = load i64, ptr %16, align 8, !tbaa !14
  %18 = icmp eq i64 %17, 0
  br i1 %18, label %19, label %24

19:                                               ; preds = %9
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.deque6, ptr %20, i32 0, i32 1
  %22 = load i64, ptr %21, align 8, !tbaa !15
  %23 = sub i64 %22, 1
  br label %29

24:                                               ; preds = %9
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.deque6, ptr %25, i32 0, i32 4
  %27 = load i64, ptr %26, align 8, !tbaa !14
  %28 = sub i64 %27, 1
  br label %29

29:                                               ; preds = %24, %19
  %30 = phi i64 [ %23, %19 ], [ %28, %24 ]
  %31 = getelementptr inbounds %union.union_u, ptr %14, i64 %30
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %0, ptr align 8 %31, i64 104, i1 false), !tbaa.struct !16
  br label %32

32:                                               ; preds = %29, %6
  ret void
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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" }

!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, !12, i64 40}
!10 = !{!"deque6", !6, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !12, i64 40, !6, i64 48, !6, i64 56}
!11 = !{!"long", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !6, i64 0}
!14 = !{!10, !11, i64 32}
!15 = !{!10, !11, i64 8}
!16 = !{i64 0, i64 104, !17}
!17 = !{!7, !7, i64 0}


; 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"

%union.union_u = type { %struct.struct_s }
%struct.struct_s = type { i32, i32, ptr, ptr, [10 x double] }

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @d6_empty(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @d6_back(ptr dead_on_unwind noalias nocapture writable writeonly sret(%union.union_u) align 8 %0, ptr noundef %1) local_unnamed_addr #2 {
  %3 = tail call zeroext i1 @d6_empty(ptr noundef %1)
  %4 = getelementptr inbounds i8, ptr %1, i64 40
  br i1 %3, label %5, label %6

5:                                                ; preds = %2
  store i32 2, ptr %4, align 8, !tbaa !5
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(104) %0, i8 0, i64 104, i1 false)
  br label %17

6:                                                ; preds = %2
  store i32 0, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %1, align 8, !tbaa !12
  %8 = getelementptr inbounds i8, ptr %1, i64 32
  %9 = load i64, ptr %8, align 8, !tbaa !13
  %10 = icmp eq i64 %9, 0
  br i1 %10, label %11, label %14

11:                                               ; preds = %6
  %12 = getelementptr inbounds i8, ptr %1, i64 8
  %13 = load i64, ptr %12, align 8, !tbaa !14
  br label %14

14:                                               ; preds = %6, %11
  %.in = phi i64 [ %13, %11 ], [ %9, %6 ]
  %15 = getelementptr %union.union_u, ptr %7, i64 %.in
  %16 = getelementptr i8, ptr %15, i64 -104
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef nonnull align 8 dereferenceable(104) %16, i64 104, i1 false), !tbaa.struct !15
  br label %17

17:                                               ; preds = %14, %5
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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" }

!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 40}
!6 = !{!"deque6", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !11, i64 40, !7, i64 48, !7, i64 56}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !7, i64 0}
!13 = !{!6, !10, i64 32}
!14 = !{!6, !10, i64 8}
!15 = !{i64 0, i64 104, !16}
!16 = !{!8, !8, i64 0}


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