; LLVM IR from gnikit/md-sim :: src/md_pair_potentials.ll (ZN8MD_tools9Exp_forceERKddd)

; 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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.1" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { double }
%"struct.std::_Head_base.1" = type { double }

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

; Function Attrs: nounwind
declare double @pow(double noundef, double noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt10make_tupleIJRdS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

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

; Function Attrs: nounwind
declare double @exp(double noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8MD_tools9Exp_forceERKddd(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8 %0, ptr noundef nonnull align 8 dereferenceable(8) %1, double noundef %2, double noundef %3) #3 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  %10 = alloca double, align 8
  store ptr %0, ptr %5, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store double %2, ptr %7, align 8, !tbaa !9
  store double %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %11 = load double, ptr %8, align 8, !tbaa !9
  %12 = load double, ptr %7, align 8, !tbaa !9
  %13 = fmul double %11, %12
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = load double, ptr %14, align 8, !tbaa !9
  %16 = load double, ptr %7, align 8, !tbaa !9
  %17 = fsub double %16, 1.000000e+00
  %18 = call double @pow(double noundef %15, double noundef %17) #4
  %19 = fmul double %13, %18
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = load double, ptr %20, align 8, !tbaa !9
  %22 = load double, ptr %7, align 8, !tbaa !9
  %23 = call double @pow(double noundef %21, double noundef %22) #4
  %24 = fneg double %23
  %25 = call double @exp(double noundef %24) #4
  %26 = fmul double %19, %25
  store double %26, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %27 = load double, ptr %8, align 8, !tbaa !9
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load double, ptr %28, align 8, !tbaa !9
  %30 = load double, ptr %7, align 8, !tbaa !9
  %31 = call double @pow(double noundef %29, double noundef %30) #4
  %32 = fneg double %31
  %33 = call double @exp(double noundef %32) #4
  %34 = fmul double %27, %33
  store double %34, ptr %10, align 8, !tbaa !9
  call void @_ZSt10make_tupleIJRdS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind writable sret(%"class.std::tuple") align 8 %0, ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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)"}
!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 = !{!"double", !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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.1" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { double }
%"struct.std::_Head_base.1" = type { double }

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

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @pow(double noundef, double noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt10make_tupleIJRdS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

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

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @exp(double noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN8MD_tools9Exp_forceERKddd(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8 %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(8) %1, double noundef %2, double noundef %3) local_unnamed_addr #2 align 2 {
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %7 = fmul double %2, %3
  %8 = load double, ptr %1, align 8, !tbaa !5
  %9 = fadd double %2, -1.000000e+00
  %10 = tail call double @pow(double noundef %8, double noundef %9) #3
  %11 = fmul double %7, %10
  %12 = load double, ptr %1, align 8, !tbaa !5
  %13 = tail call double @pow(double noundef %12, double noundef %2) #3
  %14 = fneg double %13
  %15 = tail call double @exp(double noundef %14) #3
  %16 = fmul double %11, %15
  store double %16, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  %17 = load double, ptr %1, align 8, !tbaa !5
  %18 = tail call double @pow(double noundef %17, double noundef %2) #3
  %19 = fneg double %18
  %20 = tail call double @exp(double noundef %19) #3
  %21 = fmul double %20, %3
  store double %21, ptr %6, align 8, !tbaa !5
  call void @_ZSt10make_tupleIJRdS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind writable sret(%"class.std::tuple") align 8 %0, ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree nounwind willreturn memory(write) "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 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 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass