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

; 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.commit_list = type { i64, ptr, ptr }

@.str.95 = external hidden unnamed_addr constant [19 x i8], align 1

declare i32 @printf(ptr noundef, ...) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i64 @make_commit_list(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @show_commit_node(ptr noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @show_commit_table() #2 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !5
  %5 = call i64 @make_commit_list(ptr noundef %1)
  %6 = load ptr, ptr %1, align 8, !tbaa !9
  %7 = icmp ne ptr %6, null
  br i1 %7, label %10, label %8

8:                                                ; preds = %0
  %9 = call i32 (ptr, ...) @printf(ptr noundef @.str.95)
  store i32 1, ptr %4, align 4
  br label %23

10:                                               ; preds = %0
  %11 = load ptr, ptr %1, align 8, !tbaa !9
  store ptr %11, ptr %2, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %15, %10
  %13 = load ptr, ptr %2, align 8, !tbaa !9
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %22

15:                                               ; preds = %12
  %16 = load ptr, ptr %2, align 8, !tbaa !9
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = add i64 %17, 1
  store i64 %18, ptr %3, align 8, !tbaa !5
  call void @show_commit_node(ptr noundef %16, i64 noundef %17)
  %19 = load ptr, ptr %2, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct.commit_list, ptr %19, i32 0, i32 2
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  store ptr %21, ptr %2, align 8, !tbaa !9
  br label %12, !llvm.loop !13

22:                                               ; preds = %12
  store i32 0, ptr %4, align 4
  br label %23

23:                                               ; preds = %22, %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  %24 = load i32, ptr %4, align 4
  switch i32 %24, label %26 [
    i32 0, label %25
    i32 1, label %25
  ]

25:                                               ; preds = %23, %23
  ret void

26:                                               ; preds = %23
  unreachable
}

attributes #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 nosync 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" }
attributes #3 = { 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 16}
!12 = !{!"commit_list", !6, i64 0, !10, i64 8, !10, i64 16}
!13 = distinct !{!13, !14}
!14 = !{!"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"

@.str.95 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i64 @make_commit_list(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @show_commit_node(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @show_commit_table() local_unnamed_addr #2 {
  %1 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %2 = call i64 @make_commit_list(ptr noundef nonnull %1)
  %3 = load ptr, ptr %1, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %4, label %.preheader

4:                                                ; preds = %0
  %5 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.95)
  br label %.loopexit

.preheader:                                       ; preds = %0, %.preheader
  %.07 = phi i64 [ %6, %.preheader ], [ 0, %0 ]
  %.036 = phi ptr [ %8, %.preheader ], [ %3, %0 ]
  %6 = add i64 %.07, 1
  call void @show_commit_node(ptr noundef nonnull %.036, i64 noundef %.07)
  %7 = getelementptr inbounds i8, ptr %.036, i64 16
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %.not5 = icmp eq ptr %8, null
  br i1 %.not5, label %.loopexit, label %.preheader, !llvm.loop !12

.loopexit:                                        ; preds = %.preheader, %4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #3
  ret void
}

attributes #0 = { nofree nounwind "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 = { mustprogress nocallback nofree nosync 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" }
attributes #3 = { 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, !6, i64 16}
!10 = !{!"commit_list", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass