; LLVM IR from jrouwe/JoltPhysics :: Jolt/Core (StringTools)

; 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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char, std::char_traits<char>, JPH::STLAllocator<char>>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char, std::char_traits<char>, JPH::STLAllocator<char>>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3JPH7ToLowerB5cxx11ERKSt17basic_string_viewIcSt11char_traitsIcEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i8, align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  store i1 false, ptr %5, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(16) %12) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %13)
          to label %14 unwind label %25

14:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %15, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  %17 = call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16) %16) #4
  store ptr %17, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16) %18) #4
  store ptr %19, ptr %10, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %37, %14
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  %22 = load ptr, ptr %10, align 8, !tbaa !5
  %23 = icmp ne ptr %21, %22
  br i1 %23, label %29, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %44

25:                                               ; preds = %2
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %6, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %7, align 4
  br label %48

29:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  %30 = load ptr, ptr %9, align 8, !tbaa !5
  %31 = load i8, ptr %30, align 1, !tbaa !9
  store i8 %31, ptr %11, align 1, !tbaa !9
  %32 = load i8, ptr %11, align 1, !tbaa !9
  %33 = sext i8 %32 to i32
  %34 = call i32 @tolower(i32 noundef %33) #5
  %35 = trunc i32 %34 to i8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %35)
          to label %36 unwind label %40

36:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %37

37:                                               ; preds = %36
  %38 = load ptr, ptr %9, align 8, !tbaa !5
  %39 = getelementptr inbounds i8, ptr %38, i32 1
  store ptr %39, ptr %9, align 8, !tbaa !5
  br label %20

40:                                               ; preds = %29
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %6, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %48

44:                                               ; preds = %24
  store i1 true, ptr %5, align 1
  %45 = load i1, ptr %5, align 1
  br i1 %45, label %47, label %46

46:                                               ; preds = %44
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %47

47:                                               ; preds = %46, %44
  ret void

48:                                               ; preds = %40, %25
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %49

49:                                               ; preds = %48
  %50 = load ptr, ptr %6, align 8
  %51 = load i32, ptr %7, align 4
  %52 = insertvalue { ptr, i32 } poison, ptr %50, 0
  %53 = insertvalue { ptr, i32 } %52, i32 %51, 1
  resume { ptr, i32 } %53
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #2 align 2

; Function Attrs: nounwind willreturn memory(read)
declare i32 @tolower(i32 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 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 willreturn memory(read) "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 }
attributes #5 = { nounwind willreturn memory(read) }

!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 = !{!7, !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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char, std::char_traits<char>, JPH::STLAllocator<char>>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char, std::char_traits<char>, JPH::STLAllocator<char>>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3JPH7ToLowerB5cxx11ERKSt17basic_string_viewIcSt11char_traitsIcEE(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %3 = tail call noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(16) %1) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %3)
          to label %4 unwind label %7

4:                                                ; preds = %2
  %5 = tail call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16) %1) #3
  %6 = tail call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16) %1) #3
  %.not14 = icmp eq ptr %5, %6
  br i1 %.not14, label %._crit_edge, label %.lr.ph

7:                                                ; preds = %2
  %8 = landingpad { ptr, i32 }
          cleanup
  br label %17

.lr.ph:                                           ; preds = %4, %13
  %.01115 = phi ptr [ %14, %13 ], [ %5, %4 ]
  %9 = load i8, ptr %.01115, align 1, !tbaa !5
  %10 = sext i8 %9 to i32
  %11 = tail call i32 @tolower(i32 noundef %10) #4
  %12 = trunc i32 %11 to i8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %12)
          to label %13 unwind label %15

13:                                               ; preds = %.lr.ph
  %14 = getelementptr inbounds i8, ptr %.01115, i64 1
  %.not = icmp eq ptr %14, %6
  br i1 %.not, label %._crit_edge, label %.lr.ph

15:                                               ; preds = %.lr.ph
  %16 = landingpad { ptr, i32 }
          cleanup
  br label %17

._crit_edge:                                      ; preds = %13, %4
  ret void

17:                                               ; preds = %15, %7
  %.pn = phi { ptr, i32 } [ %16, %15 ], [ %8, %7 ]
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcEN3JPH12STLAllocatorIcEEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @tolower(i32 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress 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 = { 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 = { mustprogress nofree nounwind willreturn memory(read) "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 }
attributes #4 = { nounwind willreturn memory(read) }

!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++ TBAA"}


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