; LLVM IR from kdrag0n/fxdsp :: external/boost/libs/math/test/compile_test/diff_numerical_differentiation_conce_88fb9724 (testv)

; 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.boost::math::concepts::std_real_concept" = type { x86_fp80 }
%class.anon = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21compile_and_link_testv() #0 {
  %1 = alloca %"class.boost::math::concepts::std_real_concept", align 16
  %2 = alloca %class.anon, align 1
  %3 = alloca %class.anon, align 1
  %4 = alloca %"class.boost::math::concepts::std_real_concept", align 16
  %5 = alloca %"class.boost::math::concepts::std_real_concept", align 16
  call void @llvm.lifetime.start.p0(i64 16, ptr %1) #5
  call void @_ZN5boost4math8concepts16std_real_conceptC2Ei(ptr noundef nonnull align 16 dereferenceable(16) %1, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 1, ptr %2) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %4, ptr align 16 %1, i64 16, i1 false), !tbaa.struct !5
  %6 = call x86_fp80 @"_ZN5boost4math15differentiation28finite_difference_derivativeIZ21compile_and_link_testvE3$_0NS0_8concepts16std_real_conceptELm6EEET0_T_S6_PS6_"(ptr noundef byval(%"class.boost::math::concepts::std_real_concept") align 16 %4, ptr noundef null)
  store x86_fp80 %6, ptr %5, align 16
  call void @llvm.lifetime.end.p0(i64 1, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %1) #5
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost4math8concepts16std_real_conceptC2Ei(ptr noundef nonnull align 16 dereferenceable(16), i32 noundef) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden x86_fp80 @"_ZN5boost4math15differentiation28finite_difference_derivativeIZ21compile_and_link_testvE3$_0NS0_8concepts16std_real_conceptELm6EEET0_T_S6_PS6_"(ptr noundef byval(%"class.boost::math::concepts::std_real_concept") align 16, ptr noundef) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; 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 = { 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 #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 = !{i64 0, i64 16, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"long double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


; 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.boost::math::concepts::std_real_concept" = type { x86_fp80 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21compile_and_link_testv() local_unnamed_addr #0 {
  %1 = alloca %"class.boost::math::concepts::std_real_concept", align 16
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %1) #4
  call void @_ZN5boost4math8concepts16std_real_conceptC2Ei(ptr noundef nonnull align 16 dereferenceable(16) %1, i32 noundef 0)
  %2 = call x86_fp80 @"_ZN5boost4math15differentiation28finite_difference_derivativeIZ21compile_and_link_testvE3$_0NS0_8concepts16std_real_conceptELm6EEET0_T_S6_PS6_"(ptr noundef nonnull byval(%"class.boost::math::concepts::std_real_concept") align 16 %1, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %1) #4
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost4math8concepts16std_real_conceptC2Ei(ptr noundef nonnull align 16 dereferenceable(16), i32 noundef) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden x86_fp80 @"_ZN5boost4math15differentiation28finite_difference_derivativeIZ21compile_and_link_testvE3$_0NS0_8concepts16std_real_conceptELm6EEET0_T_S6_PS6_"(ptr noundef byval(%"class.boost::math::concepts::std_real_concept") align 16, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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: DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,SROAPass