; LLVM IR from ClecioJung/digital-control :: digitalControl (integrate)

; 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"

%struct.Integrator = type { float, float, float }

; Function Attrs: nounwind uwtable
define dso_local float @integrate(ptr noundef %0, float noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.Integrator, ptr %5, i32 0, i32 2
  %7 = load float, ptr %6, align 4, !tbaa !11
  %8 = fpext float %7 to double
  %9 = fdiv double %8, 2.000000e+00
  %10 = load float, ptr %4, align 4, !tbaa !9
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.Integrator, ptr %11, i32 0, i32 0
  %13 = load float, ptr %12, align 4, !tbaa !13
  %14 = fadd float %10, %13
  %15 = fpext float %14 to double
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.Integrator, ptr %16, i32 0, i32 1
  %18 = load float, ptr %17, align 4, !tbaa !14
  %19 = fpext float %18 to double
  %20 = call double @llvm.fmuladd.f64(double %9, double %15, double %19)
  %21 = fptrunc double %20 to float
  store float %21, ptr %17, align 4, !tbaa !14
  %22 = load float, ptr %4, align 4, !tbaa !9
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.Integrator, ptr %23, i32 0, i32 0
  store float %22, ptr %24, align 4, !tbaa !13
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.Integrator, ptr %25, i32 0, i32 1
  %27 = load float, ptr %26, align 4, !tbaa !14
  ret float %27
}

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

attributes #0 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"", !10, i64 0, !10, i64 4, !10, i64 8}
!13 = !{!12, !10, i64 0}
!14 = !{!12, !10, i64 4}


; 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 float @integrate(ptr nocapture noundef %0, float noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load float, ptr %3, align 4, !tbaa !5
  %5 = fpext float %4 to double
  %6 = fmul double %5, 5.000000e-01
  %7 = load float, ptr %0, align 4, !tbaa !10
  %8 = fadd float %7, %1
  %9 = fpext float %8 to double
  %10 = getelementptr inbounds i8, ptr %0, i64 4
  %11 = load float, ptr %10, align 4, !tbaa !11
  %12 = fpext float %11 to double
  %13 = tail call double @llvm.fmuladd.f64(double %6, double %9, double %12)
  %14 = fptrunc double %13 to float
  store float %14, ptr %10, align 4, !tbaa !11
  store float %1, ptr %0, align 4, !tbaa !10
  ret float %14
}

; 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 8}
!6 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 0}
!11 = !{!6, !7, i64 4}


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