; LLVM IR from kojiba/purge :: main (crtTest)

; 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: 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 void @printByteArrayInHex(ptr noundef, i64 noundef) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

declare void @purgeEncrypt(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local void @crtTest() #1 {
  %1 = alloca [64 x i8], align 16
  %2 = alloca [64 x i8], align 16
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 64, ptr %1) #4
  call void @llvm.memset.p0.i64(ptr align 16 %1, i8 0, i64 64, i1 false)
  call void @llvm.lifetime.start.p0(i64 64, ptr %2) #4
  call void @llvm.memset.p0.i64(ptr align 16 %2, i8 0, i64 64, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store i64 256, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !5
  br label %5

5:                                                ; preds = %18, %0
  %6 = load i64, ptr %4, align 8, !tbaa !5
  %7 = load i64, ptr %3, align 8, !tbaa !5
  %8 = icmp ult i64 %6, %7
  br i1 %8, label %9, label %21

9:                                                ; preds = %5
  %10 = load i64, ptr %4, align 8, !tbaa !5
  %11 = trunc i64 %10 to i8
  %12 = getelementptr inbounds [64 x i8], ptr %1, i64 0, i64 0
  store i8 %11, ptr %12, align 16, !tbaa !9
  %13 = getelementptr inbounds [64 x i8], ptr %1, i64 0, i64 0
  %14 = getelementptr inbounds [64 x i8], ptr %2, i64 0, i64 0
  call void @purgeEncrypt(ptr noundef %13, ptr noundef %14)
  %15 = getelementptr inbounds [64 x i8], ptr %1, i64 0, i64 0
  call void @printByteArrayInHex(ptr noundef %15, i64 noundef 64)
  %16 = getelementptr inbounds [64 x i8], ptr %2, i64 0, i64 0
  call void @llvm.memset.p0.i64(ptr align 16 %16, i8 0, i64 64, i1 false)
  %17 = getelementptr inbounds [64 x i8], ptr %1, i64 0, i64 0
  call void @llvm.memset.p0.i64(ptr align 16 %17, i8 0, i64 64, i1 false)
  br label %18

18:                                               ; preds = %9
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = add i64 %19, 1
  store i64 %20, ptr %4, align 8, !tbaa !5
  br label %5, !llvm.loop !10

21:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 64, ptr %2) #4
  call void @llvm.lifetime.end.p0(i64 64, ptr %1) #4
  ret void
}

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: write) }
attributes #3 = { "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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"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"

; 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
declare dso_local void @printByteArrayInHex(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

declare void @purgeEncrypt(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local void @crtTest() local_unnamed_addr #1 {
  %1 = alloca [64 x i8], align 16
  %2 = alloca [64 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %1) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %1, i8 0, i64 64, i1 false)
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %2) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %2, i8 0, i64 64, i1 false)
  br label %3

3:                                                ; preds = %0, %3
  %.04 = phi i64 [ 0, %0 ], [ %5, %3 ]
  %4 = trunc nuw i64 %.04 to i8
  store i8 %4, ptr %1, align 16, !tbaa !5
  call void @purgeEncrypt(ptr noundef nonnull %1, ptr noundef nonnull %2) #4
  call void @printByteArrayInHex(ptr noundef nonnull %1, i64 noundef 64)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %2, i8 0, i64 64, i1 false)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %1, i8 0, i64 64, i1 false)
  %5 = add nuw nsw i64 %.04, 1
  %exitcond.not = icmp eq i64 %5, 256
  br i1 %exitcond.not, label %6, label %3, !llvm.loop !8

6:                                                ; preds = %3
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %1) #4
  ret void
}

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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { "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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass