; LLVM IR from thalium/icebox :: third_party/virtualbox/src/VBox/Devices/EFI/Firmware/ShellPkg/Library (ShellCommandConsistMappingUnInitialize)

; 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"

@.str = external hidden unnamed_addr constant [155 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [22 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare zeroext i8 @DebugAssertEnabled() #1

declare void @DebugAssert(ptr noundef, i64 noundef, ptr noundef) #1

declare void @FreePool(ptr noundef) #1

; 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
define dso_local i64 @ShellCommandConsistMappingUnInitialize(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  br label %4

4:                                                ; preds = %1
  %5 = call zeroext i8 @DebugAssertEnabled()
  %6 = icmp ne i8 %5, 0
  br i1 %6, label %7, label %12

7:                                                ; preds = %4
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @DebugAssert(ptr noundef @.str, i64 noundef 1318, ptr noundef @.str.22)
  br label %11

11:                                               ; preds = %10, %7
  br label %12

12:                                               ; preds = %11, %4
  br label %13

13:                                               ; preds = %12
  br label %14

14:                                               ; preds = %13
  store i64 0, ptr %3, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %26, %14
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = load i64, ptr %3, align 8, !tbaa !9
  %18 = getelementptr inbounds ptr, ptr %16, i64 %17
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %21, label %29

21:                                               ; preds = %15
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = load i64, ptr %3, align 8, !tbaa !9
  %24 = getelementptr inbounds ptr, ptr %22, i64 %23
  %25 = load ptr, ptr %24, align 8, !tbaa !5
  call void @FreePool(ptr noundef %25)
  br label %26

26:                                               ; preds = %21
  %27 = load i64, ptr %3, align 8, !tbaa !9
  %28 = add i64 %27, 1
  store i64 %28, ptr %3, align 8, !tbaa !9
  br label %15, !llvm.loop !11

29:                                               ; preds = %15
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  call void @FreePool(ptr noundef %30)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret i64 0
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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, !10, i64 0}
!10 = !{!"long long", !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"

@.str = external hidden unnamed_addr constant [155 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [22 x i8], align 1

declare zeroext i8 @DebugAssertEnabled() local_unnamed_addr #0

declare void @DebugAssert(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

declare void @FreePool(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i64 @ShellCommandConsistMappingUnInitialize(ptr noundef %0) local_unnamed_addr #1 {
  %2 = tail call zeroext i8 @DebugAssertEnabled() #2
  %3 = icmp eq i8 %2, 0
  %4 = icmp ne ptr %0, null
  %or.cond = or i1 %4, %3
  br i1 %or.cond, label %6, label %5

5:                                                ; preds = %1
  tail call void @DebugAssert(ptr noundef nonnull @.str, i64 noundef 1318, ptr noundef nonnull @.str.22) #2
  br label %6

6:                                                ; preds = %5, %1
  %7 = load ptr, ptr %0, align 8, !tbaa !5
  %.not8 = icmp eq ptr %7, null
  br i1 %.not8, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %6, %.lr.ph
  %8 = phi ptr [ %11, %.lr.ph ], [ %7, %6 ]
  %.09 = phi i64 [ %9, %.lr.ph ], [ 0, %6 ]
  tail call void @FreePool(ptr noundef nonnull %8) #2
  %9 = add i64 %.09, 1
  %10 = getelementptr inbounds ptr, ptr %0, i64 %9
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  %.not = icmp eq ptr %11, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %6
  tail call void @FreePool(ptr noundef nonnull %0) #2
  ret i64 0
}

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 = { 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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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