; 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.linkedlist0 = type { ptr, ptr, i64, i32, ptr, ptr }
%struct.linkedlist0_fval = type { ptr, ptr, ptr, ptr, ptr, ptr }
%struct.linkedlist0_node = type { ptr, ptr, ptr }

; 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 zeroext i1 @ll0_equals(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.linkedlist0, ptr %9, i32 0, i32 3
  store i32 0, ptr %10, align 8, !tbaa !9
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.linkedlist0, ptr %11, i32 0, i32 3
  store i32 0, ptr %12, align 8, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.linkedlist0, ptr %13, i32 0, i32 2
  %15 = load i64, ptr %14, align 8, !tbaa !13
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.linkedlist0, ptr %16, i32 0, i32 2
  %18 = load i64, ptr %17, align 8, !tbaa !13
  %19 = icmp ne i64 %15, %18
  br i1 %19, label %20, label %21

20:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %60

21:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.linkedlist0, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !14
  store ptr %24, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.linkedlist0, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !14
  store ptr %27, ptr %7, align 8, !tbaa !5
  br label %28

28:                                               ; preds = %51, %21
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = icmp ne ptr %29, null
  br i1 %30, label %31, label %34

31:                                               ; preds = %28
  %32 = load ptr, ptr %7, align 8, !tbaa !5
  %33 = icmp ne ptr %32, null
  br label %34

34:                                               ; preds = %31, %28
  %35 = phi i1 [ false, %28 ], [ %33, %31 ]
  br i1 %35, label %36, label %58

36:                                               ; preds = %34
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.linkedlist0, ptr %37, i32 0, i32 4
  %39 = load ptr, ptr %38, align 8, !tbaa !15
  %40 = getelementptr inbounds %struct.linkedlist0_fval, ptr %39, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8, !tbaa !16
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.linkedlist0_node, ptr %42, i32 0, i32 0
  %44 = load ptr, ptr %43, align 8, !tbaa !18
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.linkedlist0_node, ptr %45, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8, !tbaa !18
  %48 = call i32 %41(ptr noundef %44, ptr noundef %47)
  %49 = icmp ne i32 %48, 0
  br i1 %49, label %50, label %51

50:                                               ; preds = %36
  store i1 false, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %59

51:                                               ; preds = %36
  %52 = load ptr, ptr %6, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.linkedlist0_node, ptr %52, i32 0, i32 1
  %54 = load ptr, ptr %53, align 8, !tbaa !20
  store ptr %54, ptr %6, align 8, !tbaa !5
  %55 = load ptr, ptr %7, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.linkedlist0_node, ptr %55, i32 0, i32 1
  %57 = load ptr, ptr %56, align 8, !tbaa !20
  store ptr %57, ptr %7, align 8, !tbaa !5
  br label %28, !llvm.loop !21

58:                                               ; preds = %34
  store i1 true, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %59

59:                                               ; preds = %58, %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  br label %60

60:                                               ; preds = %59, %20
  %61 = load i1, ptr %3, align 1
  ret i1 %61
}

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !12, i64 24}
!10 = !{!"linkedlist0", !6, i64 0, !6, i64 8, !11, i64 16, !12, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"long", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !11, i64 16}
!14 = !{!10, !6, i64 0}
!15 = !{!10, !6, i64 32}
!16 = !{!17, !6, i64 0}
!17 = !{!"linkedlist0_fval", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!18 = !{!19, !6, i64 0}
!19 = !{!"linkedlist0_node", !6, i64 0, !6, i64 8, !6, i64 16}
!20 = !{!19, !6, i64 8}
!21 = distinct !{!21, !22}
!22 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @ll0_equals(ptr nocapture noundef %0, ptr nocapture noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 0, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %1, i64 24
  store i32 0, ptr %4, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  %6 = load i64, ptr %5, align 8, !tbaa !12
  %7 = getelementptr inbounds i8, ptr %1, i64 16
  %8 = load i64, ptr %7, align 8, !tbaa !12
  %.not = icmp eq i64 %6, %8
  br i1 %.not, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %2
  %9 = getelementptr inbounds i8, ptr %0, i64 32
  %.020 = load ptr, ptr %1, align 8, !tbaa !13
  %.01421 = load ptr, ptr %0, align 8, !tbaa !13
  %10 = icmp eq ptr %.01421, null
  %11 = icmp eq ptr %.020, null
  %.not1922 = select i1 %10, i1 true, i1 %11
  br i1 %.not1922, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %17
  %.01424 = phi ptr [ %.014, %17 ], [ %.01421, %.preheader ]
  %.023 = phi ptr [ %.0, %17 ], [ %.020, %.preheader ]
  %12 = load ptr, ptr %9, align 8, !tbaa !14
  %13 = load ptr, ptr %12, align 8, !tbaa !15
  %14 = load ptr, ptr %.01424, align 8, !tbaa !17
  %15 = load ptr, ptr %.023, align 8, !tbaa !17
  %16 = tail call i32 %13(ptr noundef %14, ptr noundef %15) #1
  %.not16 = icmp eq i32 %16, 0
  br i1 %.not16, label %17, label %.loopexit

17:                                               ; preds = %.lr.ph
  %18 = getelementptr inbounds i8, ptr %.01424, i64 8
  %19 = getelementptr inbounds i8, ptr %.023, i64 8
  %.0 = load ptr, ptr %19, align 8, !tbaa !13
  %.014 = load ptr, ptr %18, align 8, !tbaa !13
  %20 = icmp eq ptr %.014, null
  %21 = icmp eq ptr %.0, null
  %.not19 = select i1 %20, i1 true, i1 %21
  br i1 %.not19, label %.loopexit, label %.lr.ph, !llvm.loop !19

.loopexit:                                        ; preds = %17, %.lr.ph, %.preheader, %2
  %.1 = phi i1 [ false, %2 ], [ true, %.preheader ], [ %.not16, %.lr.ph ], [ %.not16, %17 ]
  ret i1 %.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 = { 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 24}
!6 = !{!"linkedlist0", !7, i64 0, !7, i64 8, !10, i64 16, !11, i64 24, !7, i64 32, !7, i64 40}
!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, !10, i64 16}
!13 = !{!7, !7, i64 0}
!14 = !{!6, !7, i64 32}
!15 = !{!16, !7, i64 0}
!16 = !{!"linkedlist0_fval", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}
!17 = !{!18, !7, i64 0}
!18 = !{!"linkedlist0_node", !7, i64 0, !7, i64 8, !7, i64 16}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}


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