; LLVM IR from jspd-group/pegit :: src (stage)

; 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.stage_options = type { i32, i32, i32, i32, i64, i8, i8, i32, ptr, ptr, ptr, %struct.pack_file_cache }
%struct.pack_file_cache = type { ptr, %struct.strbuf }
%struct.strbuf = type { i64, i64, ptr }

@opts = external dso_local global %struct.stage_options, align 8
@last = external dso_local global ptr, align 8
@head = external dso_local global ptr, 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 void @init_stage() #1 {
  %1 = alloca ptr, align 8
  store ptr null, ptr @last, align 8, !tbaa !5
  store ptr null, ptr @head, align 8, !tbaa !5
  store i32 0, ptr @opts, align 8, !tbaa !9
  store i32 0, ptr getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 1), align 4, !tbaa !16
  store i32 0, ptr getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 3), align 4, !tbaa !17
  store ptr null, ptr getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 8), align 8, !tbaa !18
  store ptr null, ptr getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 9), align 8, !tbaa !19
  store i32 0, ptr getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 7), align 4, !tbaa !20
  store i64 0, ptr getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 4), align 8, !tbaa !21
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #4
  %2 = call i64 @make_commit_list(ptr noundef %1)
  %3 = load ptr, ptr %1, align 8, !tbaa !5
  %4 = call ptr @get_head_commit_list(ptr noundef %3)
  store ptr %4, ptr getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 10), align 8, !tbaa !22
  %5 = call i32 @cache_pack_file(ptr noundef getelementptr inbounds (%struct.stage_options, ptr @opts, i32 0, i32 11))
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #4
  ret void
}

declare i64 @make_commit_list(ptr noundef) #2

declare ptr @get_head_commit_list(ptr noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @cache_pack_file(ptr noundef) #3

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 = { "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 = { inlinehint 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 #4 = { 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, !11, i64 0}
!10 = !{!"stage_options", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !12, i64 16, !13, i64 24, !13, i64 25, !11, i64 28, !6, i64 32, !6, i64 40, !6, i64 48, !14, i64 56}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!"_Bool", !7, i64 0}
!14 = !{!"pack_file_cache", !6, i64 0, !15, i64 8}
!15 = !{!"strbuf", !12, i64 0, !12, i64 8, !6, i64 16}
!16 = !{!10, !11, i64 4}
!17 = !{!10, !11, i64 12}
!18 = !{!10, !6, i64 32}
!19 = !{!10, !6, i64 40}
!20 = !{!10, !11, i64 28}
!21 = !{!10, !12, i64 16}
!22 = !{!10, !6, 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.stage_options = type { i32, i32, i32, i32, i64, i8, i8, i32, ptr, ptr, ptr, %struct.pack_file_cache }
%struct.pack_file_cache = type { ptr, %struct.strbuf }
%struct.strbuf = type { i64, i64, ptr }

@opts = external dso_local global %struct.stage_options, align 8
@last = external dso_local local_unnamed_addr global ptr, align 8
@head = external dso_local local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress 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 void @init_stage() local_unnamed_addr #1 {
  %1 = alloca ptr, align 8
  store ptr null, ptr @last, align 8, !tbaa !5
  store ptr null, ptr @head, align 8, !tbaa !5
  store i32 0, ptr @opts, align 8, !tbaa !9
  store i32 0, ptr getelementptr inbounds (i8, ptr @opts, i64 4), align 4, !tbaa !16
  store i32 0, ptr getelementptr inbounds (i8, ptr @opts, i64 12), align 4, !tbaa !17
  store i64 0, ptr getelementptr inbounds (i8, ptr @opts, i64 16), align 8, !tbaa !18
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(20) getelementptr inbounds (i8, ptr @opts, i64 28), i8 0, i64 20, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %2 = call i64 @make_commit_list(ptr noundef nonnull %1) #5
  %3 = load ptr, ptr %1, align 8, !tbaa !5
  %4 = call ptr @get_head_commit_list(ptr noundef %3) #5
  store ptr %4, ptr getelementptr inbounds (i8, ptr @opts, i64 48), align 8, !tbaa !19
  %5 = call i32 @cache_pack_file(ptr noundef nonnull getelementptr inbounds (i8, ptr @opts, i64 56))
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret void
}

declare i64 @make_commit_list(ptr noundef) local_unnamed_addr #2

declare ptr @get_head_commit_list(ptr noundef) local_unnamed_addr #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @cache_pack_file(ptr noundef) local_unnamed_addr #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

attributes #0 = { mustprogress 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 = { "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 = { inlinehint 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { 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, !11, i64 0}
!10 = !{!"stage_options", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !12, i64 16, !13, i64 24, !13, i64 25, !11, i64 28, !6, i64 32, !6, i64 40, !6, i64 48, !14, i64 56}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!"_Bool", !7, i64 0}
!14 = !{!"pack_file_cache", !6, i64 0, !15, i64 8}
!15 = !{!"strbuf", !12, i64 0, !12, i64 8, !6, i64 16}
!16 = !{!10, !11, i64 4}
!17 = !{!10, !11, i64 12}
!18 = !{!10, !12, i64 16}
!19 = !{!10, !6, i64 48}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,TailCallElimPass