; LLVM IR from ermig1979/Simd :: src/Simd/SimdBaseNeural.ll (ZN4Simd4Base20NeuralDerivativeTanhEPKfmS2_Pf)

; 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
define dso_local void @_ZN4Simd4Base20NeuralDerivativeTanhEPKfmS2_Pf(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca float, align 4
  %10 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %11 = load ptr, ptr %7, align 8, !tbaa !5
  %12 = getelementptr inbounds float, ptr %11, i64 0
  %13 = load float, ptr %12, align 4, !tbaa !11
  store float %13, ptr %9, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  store i64 0, ptr %10, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %32, %4
  %15 = load i64, ptr %10, align 8, !tbaa !9
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = icmp ult i64 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  br label %35

19:                                               ; preds = %14
  %20 = load float, ptr %9, align 4, !tbaa !11
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %10, align 8, !tbaa !9
  %23 = getelementptr inbounds float, ptr %21, i64 %22
  %24 = load float, ptr %23, align 4, !tbaa !11
  %25 = call noundef float @_ZN4Simd4Base14DerivativeTanhEf(float noundef %24)
  %26 = fmul float %20, %25
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = load i64, ptr %10, align 8, !tbaa !9
  %29 = getelementptr inbounds float, ptr %27, i64 %28
  %30 = load float, ptr %29, align 4, !tbaa !11
  %31 = fmul float %30, %26
  store float %31, ptr %29, align 4, !tbaa !11
  br label %32

32:                                               ; preds = %19
  %33 = load i64, ptr %10, align 8, !tbaa !9
  %34 = add i64 %33, 1
  store i64 %34, ptr %10, align 8, !tbaa !9
  br label %14, !llvm.loop !13

35:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  ret void
}

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare dso_local noundef float @_ZN4Simd4Base14DerivativeTanhEf(float noundef) #2

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 = { alwaysinline 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !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 nounwind uwtable
define dso_local void @_ZN4Simd4Base20NeuralDerivativeTanhEPKfmS2_Pf(ptr nocapture noundef readonly %0, i64 noundef %1, ptr nocapture noundef readonly %2, ptr nocapture noundef %3) local_unnamed_addr #0 {
  %5 = load float, ptr %2, align 4, !tbaa !5
  %.not = icmp eq i64 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %4
  ret void

.lr.ph:                                           ; preds = %4, %.lr.ph
  %.08 = phi i64 [ %13, %.lr.ph ], [ 0, %4 ]
  %6 = getelementptr inbounds float, ptr %0, i64 %.08
  %7 = load float, ptr %6, align 4, !tbaa !5
  %8 = tail call noundef float @_ZN4Simd4Base14DerivativeTanhEf(float noundef %7)
  %9 = fmul float %5, %8
  %10 = getelementptr inbounds float, ptr %3, i64 %.08
  %11 = load float, ptr %10, align 4, !tbaa !5
  %12 = fmul float %11, %9
  store float %12, ptr %10, align 4, !tbaa !5
  %13 = add nuw i64 %.08, 1
  %exitcond.not = icmp eq i64 %13, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9
}

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare dso_local noundef float @_ZN4Simd4Base14DerivativeTanhEf(float noundef) local_unnamed_addr #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 = { alwaysinline 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" }

!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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass