; LLVM IR from shbang91/rpc :: controller/friction_compensator (karnopp_compensator)

; 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.KarnoppCompensator = type { double, double, double, double, double, double }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN18KarnoppCompensator14ConstructModelEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 0
  %5 = load double, ptr %4, align 8, !tbaa !9
  %6 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 3
  %7 = load double, ptr %6, align 8, !tbaa !12
  %8 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 3
  %9 = load double, ptr %8, align 8, !tbaa !12
  %10 = fmul double %7, %9
  %11 = fdiv double %5, %10
  %12 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 4
  store double %11, ptr %12, align 8, !tbaa !13
  %13 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 1
  %14 = load double, ptr %13, align 8, !tbaa !14
  %15 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 2
  %16 = load double, ptr %15, align 8, !tbaa !15
  %17 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 3
  %18 = load double, ptr %17, align 8, !tbaa !12
  %19 = fneg double %16
  %20 = call double @llvm.fmuladd.f64(double %19, double %18, double %14)
  %21 = getelementptr inbounds %class.KarnoppCompensator, ptr %3, i32 0, i32 5
  store double %20, ptr %21, align 8, !tbaa !16
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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, !11, i64 0}
!10 = !{!"_ZTS18KarnoppCompensator", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40}
!11 = !{!"double", !7, i64 0}
!12 = !{!10, !11, i64 24}
!13 = !{!10, !11, i64 32}
!14 = !{!10, !11, i64 8}
!15 = !{!10, !11, i64 16}
!16 = !{!10, !11, i64 40}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN18KarnoppCompensator14ConstructModelEv(ptr nocapture noundef nonnull align 8 dereferenceable(48) %0) local_unnamed_addr #0 align 2 {
  %2 = load double, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  %4 = load double, ptr %3, align 8, !tbaa !10
  %5 = fmul double %4, %4
  %6 = fdiv double %2, %5
  %7 = getelementptr inbounds i8, ptr %0, i64 32
  store double %6, ptr %7, align 8, !tbaa !11
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load double, ptr %8, align 8, !tbaa !12
  %10 = getelementptr inbounds i8, ptr %0, i64 16
  %11 = load double, ptr %10, align 8, !tbaa !13
  %12 = fneg double %11
  %13 = tail call double @llvm.fmuladd.f64(double %12, double %4, double %9)
  %14 = getelementptr inbounds i8, ptr %0, i64 40
  store double %13, ptr %14, align 8, !tbaa !14
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 speculatable willreturn memory(none) }

!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 = !{!"_ZTS18KarnoppCompensator", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 24}
!11 = !{!6, !7, i64 32}
!12 = !{!6, !7, i64 8}
!13 = !{!6, !7, i64 16}
!14 = !{!6, !7, i64 40}


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