; LLVM IR from rantala/string-sorting :: src/burstsort.ll (Z16burstsort_vectorPPhm)

; 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: mustprogress uwtable
define dso_local void @_Z16burstsort_vectorPPhm(ptr noundef %0, i64 noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %8 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 2080) #7
  invoke void @_ZN8TrieNodeIhEC2Ev(ptr noundef nonnull align 8 dereferenceable(2080) %8)
          to label %9 unwind label %16

9:                                                ; preds = %2
  store ptr %8, ptr %5, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = load i64, ptr %4, align 8, !tbaa !9
  call void @_ZL6insertILj8000ESt6vectorIPhSaIS1_EE11BurstSimpleIhEhEvP8TrieNodeIT2_EPS1_m(ptr noundef %10, ptr noundef %11, i64 noundef %12)
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call noundef ptr @_ZL8traverseISt6vectorIPhSaIS1_EEPFvPS1_iiEhES4_P8TrieNodeIT1_ES4_mT0_(ptr noundef %13, ptr noundef %14, i64 noundef 0, ptr noundef @mkqsort)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret void

16:                                               ; preds = %2
  %17 = landingpad { ptr, i32 }
          cleanup
  %18 = extractvalue { ptr, i32 } %17, 0
  store ptr %18, ptr %6, align 8
  %19 = extractvalue { ptr, i32 } %17, 1
  store i32 %19, ptr %7, align 4
  call void @_ZdlPvm(ptr noundef %8, i64 noundef 2080) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %20

20:                                               ; preds = %16
  %21 = load ptr, ptr %6, align 8
  %22 = load i32, ptr %7, align 4
  %23 = insertvalue { ptr, i32 } poison, ptr %21, 0
  %24 = insertvalue { ptr, i32 } %23, i32 %22, 1
  resume { ptr, i32 } %24
}

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

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8TrieNodeIhEC2Ev(ptr noundef nonnull align 8 dereferenceable(2080)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #3

; Function Attrs: inlinehint mustprogress uwtable
declare hidden void @_ZL6insertILj8000ESt6vectorIPhSaIS1_EE11BurstSimpleIhEhEvP8TrieNodeIT2_EPS1_m(ptr noundef, ptr noundef, i64 noundef) #4

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZL8traverseISt6vectorIPhSaIS1_EEPFvPS1_iiEhES4_P8TrieNodeIT1_ES4_mT0_(ptr noundef, ptr noundef, i64 noundef, ptr noundef) #0

declare void @mkqsort(ptr noundef, i32 noundef, i32 noundef) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { inlinehint 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { builtin 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, !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: mustprogress uwtable
define dso_local void @_Z16burstsort_vectorPPhm(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = tail call noalias noundef nonnull dereferenceable(2080) ptr @_Znwm(i64 noundef 2080) #5
  invoke void @_ZN8TrieNodeIhEC2Ev(ptr noundef nonnull align 8 dereferenceable(2080) %3)
          to label %4 unwind label %6

4:                                                ; preds = %2
  tail call void @_ZL6insertILj8000ESt6vectorIPhSaIS1_EE11BurstSimpleIhEhEvP8TrieNodeIT2_EPS1_m(ptr noundef nonnull %3, ptr noundef %0, i64 noundef %1)
  %5 = tail call noundef ptr @_ZL8traverseISt6vectorIPhSaIS1_EEPFvPS1_iiEhES4_P8TrieNodeIT1_ES4_mT0_(ptr noundef nonnull %3, ptr noundef %0, i64 noundef 0, ptr noundef nonnull @mkqsort)
  ret void

6:                                                ; preds = %2
  %7 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 2080) #6
  resume { ptr, i32 } %7
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8TrieNodeIhEC2Ev(ptr noundef nonnull align 8 dereferenceable(2080)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden void @_ZL6insertILj8000ESt6vectorIPhSaIS1_EE11BurstSimpleIhEhEvP8TrieNodeIT2_EPS1_m(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZL8traverseISt6vectorIPhSaIS1_EEPFvPS1_iiEhES4_P8TrieNodeIT1_ES4_mT0_(ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

declare void @mkqsort(ptr noundef, i32 noundef, i32 noundef) #4

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 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { inlinehint 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 #4 = { "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 #5 = { builtin allocsize(0) }
attributes #6 = { builtin 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)"}


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