; LLVM IR from openssl/openssl :: apps/lib (vms_decc_argv)

; 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"

@newargv = external dso_local global ptr, align 8
@.str = external hidden unnamed_addr constant [74 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local ptr @copy_argv(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %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 ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = load i32, ptr %10, align 4, !tbaa !9
  store i32 %11, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %12 = load ptr, ptr @newargv, align 8, !tbaa !5
  store ptr %12, ptr %8, align 8, !tbaa !5
  call void @cleanup_argv()
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = add nsw i32 %13, 1
  %15 = sext i32 %14 to i64
  %16 = mul i64 8, %15
  %17 = call ptr @CRYPTO_malloc(i64 noundef %16, ptr noundef @.str, i32 noundef 59)
  store ptr %17, ptr @newargv, align 8, !tbaa !5
  %18 = load ptr, ptr @newargv, align 8, !tbaa !5
  %19 = icmp eq ptr %18, null
  br i1 %19, label %20, label %21

20:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %9, align 4
  br label %52

21:                                               ; preds = %2
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = icmp eq ptr %22, null
  br i1 %23, label %24, label %26

24:                                               ; preds = %21
  %25 = call i32 @OPENSSL_atexit(ptr noundef @cleanup_argv)
  br label %26

26:                                               ; preds = %24, %21
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %41, %26
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = load i32, ptr %7, align 4, !tbaa !9
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %31, label %44

31:                                               ; preds = %27
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = load i32, ptr %6, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds ptr, ptr %32, i64 %34
  %36 = load ptr, ptr %35, align 8, !tbaa !5
  %37 = load ptr, ptr @newargv, align 8, !tbaa !5
  %38 = load i32, ptr %6, align 4, !tbaa !9
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds ptr, ptr %37, i64 %39
  store ptr %36, ptr %40, align 8, !tbaa !5
  br label %41

41:                                               ; preds = %31
  %42 = load i32, ptr %6, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %6, align 4, !tbaa !9
  br label %27, !llvm.loop !11

44:                                               ; preds = %27
  %45 = load ptr, ptr @newargv, align 8, !tbaa !5
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds ptr, ptr %45, i64 %47
  store ptr null, ptr %48, align 8, !tbaa !5
  %49 = load i32, ptr %6, align 4, !tbaa !9
  %50 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 %49, ptr %50, align 4, !tbaa !9
  %51 = load ptr, ptr @newargv, align 8, !tbaa !5
  store ptr %51, ptr %3, align 8
  store i32 1, ptr %9, align 4
  br label %52

52:                                               ; preds = %44, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %53 = load ptr, ptr %3, align 8
  ret ptr %53
}

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

; Function Attrs: nounwind uwtable
declare hidden void @cleanup_argv() #0

declare ptr @CRYPTO_malloc(i64 noundef, ptr noundef, i32 noundef) #2

declare i32 @OPENSSL_atexit(ptr noundef) #2

; 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 = { "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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@newargv = external dso_local local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [74 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local ptr @copy_argv(ptr nocapture noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %4 = load ptr, ptr @newargv, align 8, !tbaa !9
  tail call void @cleanup_argv()
  %5 = add nsw i32 %3, 1
  %6 = sext i32 %5 to i64
  %7 = shl nsw i64 %6, 3
  %8 = tail call ptr @CRYPTO_malloc(i64 noundef %7, ptr noundef nonnull @.str, i32 noundef 59) #2
  store ptr %8, ptr @newargv, align 8, !tbaa !9
  %9 = icmp eq ptr %8, null
  br i1 %9, label %41, label %10

10:                                               ; preds = %2
  %11 = icmp eq ptr %4, null
  br i1 %11, label %12, label %14

12:                                               ; preds = %10
  %13 = tail call i32 @OPENSSL_atexit(ptr noundef nonnull @cleanup_argv) #2
  br label %14

14:                                               ; preds = %12, %10
  %15 = icmp sgt i32 %3, 0
  br i1 %15, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %14
  %wide.trip.count = zext nneg i32 %3 to i64
  %xtraiter = and i64 %wide.trip.count, 3
  %16 = icmp ult i32 %3, 4
  br i1 %16, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %wide.trip.count, 2147483644
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader.new ], [ %indvars.iv.next.3, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %17 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  %19 = load ptr, ptr @newargv, align 8, !tbaa !9
  %20 = getelementptr inbounds ptr, ptr %19, i64 %indvars.iv
  store ptr %18, ptr %20, align 8, !tbaa !9
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %21 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv.next
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = load ptr, ptr @newargv, align 8, !tbaa !9
  %24 = getelementptr inbounds ptr, ptr %23, i64 %indvars.iv.next
  store ptr %22, ptr %24, align 8, !tbaa !9
  %indvars.iv.next.1 = or disjoint i64 %indvars.iv, 2
  %25 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv.next.1
  %26 = load ptr, ptr %25, align 8, !tbaa !9
  %27 = load ptr, ptr @newargv, align 8, !tbaa !9
  %28 = getelementptr inbounds ptr, ptr %27, i64 %indvars.iv.next.1
  store ptr %26, ptr %28, align 8, !tbaa !9
  %indvars.iv.next.2 = or disjoint i64 %indvars.iv, 3
  %29 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv.next.2
  %30 = load ptr, ptr %29, align 8, !tbaa !9
  %31 = load ptr, ptr @newargv, align 8, !tbaa !9
  %32 = getelementptr inbounds ptr, ptr %31, i64 %indvars.iv.next.2
  store ptr %30, ptr %32, align 8, !tbaa !9
  %indvars.iv.next.3 = add nuw nsw i64 %indvars.iv, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !11

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next.3, %.lr.ph ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil
  %indvars.iv.epil = phi i64 [ %indvars.iv.next.epil, %.lr.ph.epil ], [ %indvars.iv.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %33 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv.epil
  %34 = load ptr, ptr %33, align 8, !tbaa !9
  %35 = load ptr, ptr @newargv, align 8, !tbaa !9
  %36 = getelementptr inbounds ptr, ptr %35, i64 %indvars.iv.epil
  store ptr %34, ptr %36, align 8, !tbaa !9
  %indvars.iv.next.epil = add nuw nsw i64 %indvars.iv.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph.epil, !llvm.loop !13

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil, %14
  %.012.lcssa = phi i32 [ 0, %14 ], [ %3, %.lr.ph.epil ], [ %3, %._crit_edge.loopexit.unr-lcssa ]
  %37 = load ptr, ptr @newargv, align 8, !tbaa !9
  %38 = zext nneg i32 %.012.lcssa to i64
  %39 = getelementptr inbounds ptr, ptr %37, i64 %38
  store ptr null, ptr %39, align 8, !tbaa !9
  store i32 %.012.lcssa, ptr %0, align 4, !tbaa !5
  %40 = load ptr, ptr @newargv, align 8, !tbaa !9
  br label %41

41:                                               ; preds = %2, %._crit_edge
  %.0 = phi ptr [ %40, %._crit_edge ], [ null, %2 ]
  ret ptr %.0
}

; Function Attrs: nounwind uwtable
declare hidden void @cleanup_argv() #0

declare ptr @CRYPTO_malloc(i64 noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

declare i32 @OPENSSL_atexit(ptr noundef) local_unnamed_addr #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 = { "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 = { 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 = !{!"int", !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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.unroll.disable"}


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