; 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"

; Function Attrs: nounwind uwtable
define dso_local void @pstrcpy(ptr noundef %0, i32 noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  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
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %10, ptr %8, align 8, !tbaa !5
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = icmp sle i32 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  store i32 1, ptr %9, align 4
  br label %38

14:                                               ; preds = %3
  br label %15

15:                                               ; preds = %31, %14
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %16, i32 1
  store ptr %17, ptr %6, align 8, !tbaa !5
  %18 = load i8, ptr %16, align 1, !tbaa !11
  %19 = sext i8 %18 to i32
  store i32 %19, ptr %7, align 4, !tbaa !9
  %20 = load i32, ptr %7, align 4, !tbaa !9
  %21 = icmp eq i32 %20, 0
  br i1 %21, label %30, label %22

22:                                               ; preds = %15
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i8, ptr %24, i64 %26
  %28 = getelementptr inbounds i8, ptr %27, i64 -1
  %29 = icmp uge ptr %23, %28
  br i1 %29, label %30, label %31

30:                                               ; preds = %22, %15
  br label %36

31:                                               ; preds = %22
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = trunc i32 %32 to i8
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = getelementptr inbounds i8, ptr %34, i32 1
  store ptr %35, ptr %8, align 8, !tbaa !5
  store i8 %33, ptr %34, align 1, !tbaa !11
  br label %15

36:                                               ; preds = %30
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  store i8 0, ptr %37, align 1, !tbaa !11
  store i32 0, ptr %9, align 4
  br label %38

38:                                               ; preds = %36, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  %39 = load i32, ptr %9, align 4
  switch i32 %39, label %41 [
    i32 0, label %40
    i32 1, label %40
  ]

40:                                               ; preds = %38, %38
  ret void

41:                                               ; preds = %38
  unreachable
}

; 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

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, 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: nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @pstrcpy(ptr noundef writeonly %0, i32 noundef %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = icmp slt i32 %1, 1
  br i1 %4, label %15, label %.preheader

.preheader:                                       ; preds = %3
  %5 = zext nneg i32 %1 to i64
  %6 = getelementptr inbounds i8, ptr %0, i64 %5
  %7 = getelementptr inbounds i8, ptr %6, i64 -1
  %8 = load i8, ptr %2, align 1, !tbaa !5
  %9 = icmp ne i8 %8, 0
  %.not12 = icmp ugt ptr %7, %0
  %or.cond13 = select i1 %9, i1 %.not12, i1 false
  br i1 %or.cond13, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %10 = phi i8 [ %13, %.lr.ph ], [ %8, %.preheader ]
  %.015 = phi ptr [ %12, %.lr.ph ], [ %0, %.preheader ]
  %.0914 = phi ptr [ %11, %.lr.ph ], [ %2, %.preheader ]
  %11 = getelementptr inbounds i8, ptr %.0914, i64 1
  %12 = getelementptr inbounds i8, ptr %.015, i64 1
  store i8 %10, ptr %.015, align 1, !tbaa !5
  %13 = load i8, ptr %11, align 1, !tbaa !5
  %14 = icmp ne i8 %13, 0
  %.not = icmp ult ptr %12, %7
  %or.cond = select i1 %14, i1 %.not, i1 false
  br i1 %or.cond, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %.0.lcssa = phi ptr [ %0, %.preheader ], [ %12, %.lr.ph ]
  store i8 0, ptr %.0.lcssa, align 1, !tbaa !5
  br label %15

15:                                               ; preds = %3, %._crit_edge
  ret void
}

attributes #0 = { nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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