; LLVM IR from mncoppola/rpef :: utilities_src/squashfs2.1/lzma/C/7zip/Archive/7z_C (7zIn)

; 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 i32 @MySzInAlloc(ptr noundef %0, i64 noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %8 = load i64, ptr %6, align 8, !tbaa !9
  %9 = icmp eq i64 %8, 0
  br i1 %9, label %10, label %12

10:                                               ; preds = %3
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr null, ptr %11, align 8, !tbaa !5
  br label %22

12:                                               ; preds = %3
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = load i64, ptr %6, align 8, !tbaa !9
  %15 = call ptr %13(i64 noundef %14)
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %15, ptr %16, align 8, !tbaa !5
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %19 = icmp eq ptr %18, null
  br i1 %19, label %20, label %21

20:                                               ; preds = %12
  store i32 2, ptr %4, align 4
  br label %23

21:                                               ; preds = %12
  br label %22

22:                                               ; preds = %21, %10
  store i32 0, ptr %4, align 4
  br label %23

23:                                               ; preds = %22, %20
  %24 = load i32, ptr %4, align 4
  ret i32 %24
}

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" }

!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}


; 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
define dso_local range(i32 0, 3) i32 @MySzInAlloc(ptr nocapture noundef writeonly %0, i64 noundef %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = icmp eq i64 %1, 0
  br i1 %4, label %5, label %6

5:                                                ; preds = %3
  store ptr null, ptr %0, align 8, !tbaa !5
  br label %9

6:                                                ; preds = %3
  %7 = tail call ptr %2(i64 noundef %1) #1
  store ptr %7, ptr %0, align 8, !tbaa !5
  %8 = icmp eq ptr %7, null
  br i1 %8, label %10, label %9

9:                                                ; preds = %6, %5
  br label %10

10:                                               ; preds = %6, %9
  %.0 = phi i32 [ 0, %9 ], [ 2, %6 ]
  ret i32 %.0
}

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 = { 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"}


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