; LLVM IR from siconos/siconos :: kernel/swig/tests/plugins (FollowerPlugin)

; 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"

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

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

; Function Attrs: mustprogress uwtable
declare dso_local double @FextFunction(double noundef, ptr noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @FollowerFExt(double noundef %0, i32 noundef %1, ptr noundef %2, i32 noundef %3, ptr noundef %4) #1 {
  %6 = alloca double, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca double, align 8
  %12 = alloca i32, align 4
  store double %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !11
  store i32 %3, ptr %9, align 4, !tbaa !9
  store ptr %4, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #2
  %13 = load ptr, ptr %10, align 8, !tbaa !11
  %14 = getelementptr inbounds double, ptr %13, i64 0
  %15 = load double, ptr %14, align 8, !tbaa !5
  store double %15, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %26, %5
  %17 = load i32, ptr %12, align 4, !tbaa !9
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = icmp ult i32 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  br label %29

21:                                               ; preds = %16
  %22 = load ptr, ptr %8, align 8, !tbaa !11
  %23 = load i32, ptr %12, align 4, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds double, ptr %22, i64 %24
  store double 0.000000e+00, ptr %25, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %21
  %27 = load i32, ptr %12, align 4, !tbaa !9
  %28 = add i32 %27, 1
  store i32 %28, ptr %12, align 4, !tbaa !9
  br label %16, !llvm.loop !13

29:                                               ; preds = %20
  %30 = load double, ptr %6, align 8, !tbaa !5
  %31 = call double @FextFunction(double noundef %30, ptr noundef %11)
  %32 = fadd double -0.000000e+00, %31
  %33 = load ptr, ptr %8, align 8, !tbaa !11
  %34 = getelementptr inbounds double, ptr %33, i64 0
  store double %32, ptr %34, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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

; 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 uwtable
declare dso_local double @FextFunction(double noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @FollowerFExt(double noundef %0, i32 noundef %1, ptr nocapture noundef writeonly %2, i32 noundef %3, ptr nocapture noundef readonly %4) local_unnamed_addr #1 {
  %6 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  %7 = load double, ptr %4, align 8, !tbaa !5
  store double %7, ptr %6, align 8, !tbaa !5
  %.not = icmp eq i32 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %5
  %8 = zext i32 %1 to i64
  %9 = shl nuw nsw i64 %8, 3
  tail call void @llvm.memset.p0.i64(ptr align 8 %2, i8 0, i64 %9, i1 false), !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph.preheader, %5
  %10 = call double @FextFunction(double noundef %0, ptr noundef nonnull %6)
  store double %10, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopIdiomRecognizePass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass