; LLVM IR from cashapp/zipline :: zipline/native/quickjs (cutils)

; 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.DynBuf = type { ptr, i64, i64, i32, 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
declare dso_local i32 @dbuf_realloc(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @dbuf_write(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i64 %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %12 = load i64, ptr %7, align 8, !tbaa !9
  %13 = load i64, ptr %9, align 8, !tbaa !9
  %14 = add i64 %12, %13
  store i64 %14, ptr %10, align 8, !tbaa !9
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = load i64, ptr %10, align 8, !tbaa !9
  %17 = call i32 @dbuf_realloc(ptr noundef %15, i64 noundef %16)
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %4
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %38

20:                                               ; preds = %4
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.DynBuf, ptr %21, i32 0, i32 0
  %23 = load ptr, ptr %22, align 8, !tbaa !11
  %24 = load i64, ptr %7, align 8, !tbaa !9
  %25 = getelementptr inbounds i8, ptr %23, i64 %24
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = load i64, ptr %9, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %25, ptr align 1 %26, i64 %27, i1 false)
  %28 = load i64, ptr %10, align 8, !tbaa !9
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.DynBuf, ptr %29, i32 0, i32 1
  %31 = load i64, ptr %30, align 8, !tbaa !14
  %32 = icmp ugt i64 %28, %31
  br i1 %32, label %33, label %37

33:                                               ; preds = %20
  %34 = load i64, ptr %10, align 8, !tbaa !9
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.DynBuf, ptr %35, i32 0, i32 1
  store i64 %34, ptr %36, align 8, !tbaa !14
  br label %37

37:                                               ; preds = %33, %20
  store i32 0, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %38

38:                                               ; preds = %37, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  %39 = load i32, ptr %5, align 4
  ret i32 %39
}

; 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) #2

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"DynBuf", !6, i64 0, !10, i64 8, !10, i64 16, !13, i64 24, !6, i64 32, !6, i64 40}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !10, i64 8}


; 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
declare dso_local i32 @dbuf_realloc(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @dbuf_write(ptr noundef %0, i64 noundef %1, ptr nocapture noundef readonly %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = add i64 %3, %1
  %6 = tail call i32 @dbuf_realloc(ptr noundef %0, i64 noundef %5)
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %7, label %14

7:                                                ; preds = %4
  %8 = load ptr, ptr %0, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %8, i64 %1
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %9, ptr align 1 %2, i64 %3, i1 false)
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  %11 = load i64, ptr %10, align 8, !tbaa !12
  %12 = icmp ugt i64 %5, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %7
  store i64 %5, ptr %10, align 8, !tbaa !12
  br label %14

14:                                               ; preds = %7, %13, %4
  %.0 = phi i32 [ -1, %4 ], [ 0, %13 ], [ 0, %7 ]
  ret i32 %.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

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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }

!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, !7, i64 0}
!6 = !{!"DynBuf", !7, i64 0, !10, 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 8}


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