; LLVM IR from mvr/jiggle :: src (List)

; 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.jgList = type { ptr, i32, i32 }

; 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) #0

; Function Attrs: nounwind uwtable
define dso_local void @jgListInsert(ptr noundef %0, i32 noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.jgList, ptr %7, i32 0, i32 1
  %9 = load i32, ptr %8, align 8, !tbaa !11
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %11, label %14

11:                                               ; preds = %3
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  call void @jgListAdd(ptr noundef %12, ptr noundef %13)
  br label %43

14:                                               ; preds = %3
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  call void @jgListExpand(ptr noundef %15)
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.jgList, ptr %16, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !13
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds ptr, ptr %18, i64 %20
  %22 = getelementptr inbounds ptr, ptr %21, i64 1
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.jgList, ptr %23, i32 0, i32 0
  %25 = load ptr, ptr %24, align 8, !tbaa !13
  %26 = load i32, ptr %5, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds ptr, ptr %25, i64 %27
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.jgList, ptr %29, i32 0, i32 1
  %31 = load i32, ptr %30, align 8, !tbaa !11
  %32 = load i32, ptr %5, align 4, !tbaa !9
  %33 = sub nsw i32 %31, %32
  %34 = sext i32 %33 to i64
  %35 = mul i64 %34, 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %22, ptr align 8 %28, i64 %35, i1 false)
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.jgList, ptr %37, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8, !tbaa !13
  %40 = load i32, ptr %5, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds ptr, ptr %39, i64 %41
  store ptr %36, ptr %42, align 8, !tbaa !5
  br label %43

43:                                               ; preds = %14, %11
  ret void
}

; Function Attrs: nounwind uwtable
declare dso_local void @jgListAdd(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @jgListExpand(ptr noundef) #1

attributes #0 = { nocallback nofree 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" }

!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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"jgList", !6, i64 0, !10, i64 8, !10, i64 12}
!13 = !{!12, !6, 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"

; 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) #0

; Function Attrs: nounwind uwtable
define dso_local void @jgListInsert(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %7, label %8

7:                                                ; preds = %3
  tail call void @jgListAdd(ptr noundef nonnull %0, ptr noundef %2)
  br label %19

8:                                                ; preds = %3
  tail call void @jgListExpand(ptr noundef nonnull %0)
  %9 = load ptr, ptr %0, align 8, !tbaa !11
  %10 = sext i32 %1 to i64
  %11 = getelementptr inbounds ptr, ptr %9, i64 %10
  %12 = getelementptr inbounds i8, ptr %11, i64 8
  %13 = load i32, ptr %4, align 8, !tbaa !5
  %14 = sub nsw i32 %13, %1
  %15 = sext i32 %14 to i64
  %16 = shl nsw i64 %15, 3
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %12, ptr align 8 %11, i64 %16, i1 false)
  %17 = load ptr, ptr %0, align 8, !tbaa !11
  %18 = getelementptr inbounds ptr, ptr %17, i64 %10
  store ptr %2, ptr %18, align 8, !tbaa !12
  br label %19

19:                                               ; preds = %8, %7
  ret void
}

; Function Attrs: nounwind uwtable
declare dso_local void @jgListAdd(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @jgListExpand(ptr noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree 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" }

!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, !10, i64 8}
!6 = !{!"jgList", !7, i64 0, !10, i64 8, !10, i64 12}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!7, !7, i64 0}


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