; LLVM IR from TobiasKozel/VAE :: external/tracy/libbacktrace (alloc)

; 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"

%"struct.tracy::backtrace_vector" = type { ptr, i64, i64 }

; 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: mustprogress uwtable
define dso_local noundef ptr @_ZN5tracy23backtrace_vector_finishEPNS_15backtrace_stateEPNS_16backtrace_vectorEPFvPvPKciES4_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = load ptr, ptr %9, align 8, !tbaa !5
  %16 = call noundef i32 @_ZN5tracy24backtrace_vector_releaseEPNS_15backtrace_stateEPNS_16backtrace_vectorEPFvPvPKciES4_(ptr noundef %12, ptr noundef %13, ptr noundef %14, ptr noundef %15)
  %17 = icmp ne i32 %16, 0
  br i1 %17, label %19, label %18

18:                                               ; preds = %4
  store ptr null, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %30

19:                                               ; preds = %4
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = getelementptr inbounds %"struct.tracy::backtrace_vector", ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  store ptr %22, ptr %10, align 8, !tbaa !5
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = getelementptr inbounds %"struct.tracy::backtrace_vector", ptr %23, i32 0, i32 0
  store ptr null, ptr %24, align 8, !tbaa !9
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = getelementptr inbounds %"struct.tracy::backtrace_vector", ptr %25, i32 0, i32 1
  store i64 0, ptr %26, align 8, !tbaa !12
  %27 = load ptr, ptr %7, align 8, !tbaa !5
  %28 = getelementptr inbounds %"struct.tracy::backtrace_vector", ptr %27, i32 0, i32 2
  store i64 0, ptr %28, align 8, !tbaa !13
  %29 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %29, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %30

30:                                               ; preds = %19, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %31 = load ptr, ptr %5, align 8
  ret ptr %31
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN5tracy24backtrace_vector_releaseEPNS_15backtrace_stateEPNS_16backtrace_vectorEPFvPvPKciES4_(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN5tracy16backtrace_vectorE", !6, i64 0, !11, i64 8, !11, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!10, !11, i64 16}


; 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 uwtable
define dso_local noundef ptr @_ZN5tracy23backtrace_vector_finishEPNS_15backtrace_stateEPNS_16backtrace_vectorEPFvPvPKciES4_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = tail call noundef i32 @_ZN5tracy24backtrace_vector_releaseEPNS_15backtrace_stateEPNS_16backtrace_vectorEPFvPvPKciES4_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3)
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %8, label %6

6:                                                ; preds = %4
  %7 = load ptr, ptr %1, align 8, !tbaa !5
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %1, i8 0, i64 24, i1 false)
  br label %8

8:                                                ; preds = %4, %6
  %.0 = phi ptr [ %7, %6 ], [ null, %4 ]
  ret ptr %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN5tracy24backtrace_vector_releaseEPNS_15backtrace_stateEPNS_16backtrace_vectorEPFvPvPKciES4_(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress 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 nounwind willreturn memory(argmem: write) }

!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, !7, i64 0}
!6 = !{!"_ZTSN5tracy16backtrace_vectorE", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass