; LLVM IR from kmilo17pet/qlibs :: qvfloat (qVFloat_PolyVal)

; 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: nounwind uwtable
define dso_local float @qVFloat_PolyVal(ptr noundef %0, float noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca float, align 4
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca float, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store float %1, ptr %5, align 4, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store float 0.000000e+00, ptr %8, align 4, !tbaa !9
  store i64 0, ptr %7, align 8, !tbaa !11
  br label %9

9:                                                ; preds = %27, %3
  %10 = load i64, ptr %7, align 8, !tbaa !11
  %11 = load i64, ptr %6, align 8, !tbaa !11
  %12 = icmp ult i64 %10, %11
  br i1 %12, label %13, label %30

13:                                               ; preds = %9
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = load i64, ptr %6, align 8, !tbaa !11
  %16 = load i64, ptr %7, align 8, !tbaa !11
  %17 = sub i64 %15, %16
  %18 = sub i64 %17, 1
  %19 = getelementptr inbounds float, ptr %14, i64 %18
  %20 = load float, ptr %19, align 4, !tbaa !9
  %21 = load float, ptr %5, align 4, !tbaa !9
  %22 = load i64, ptr %7, align 8, !tbaa !11
  %23 = uitofp i64 %22 to float
  %24 = call float @qFFMath_Pow(float noundef %21, float noundef %23)
  %25 = load float, ptr %8, align 4, !tbaa !9
  %26 = call float @llvm.fmuladd.f32(float %20, float %24, float %25)
  store float %26, ptr %8, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %13
  %28 = load i64, ptr %7, align 8, !tbaa !11
  %29 = add i64 %28, 1
  store i64 %29, ptr %7, align 8, !tbaa !11
  br label %9, !llvm.loop !13

30:                                               ; preds = %9
  %31 = load float, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret float %31
}

declare float @qFFMath_Pow(float noundef, float noundef) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !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: nounwind uwtable
define dso_local float @qVFloat_PolyVal(ptr nocapture noundef readonly %0, float noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %invariant.gep = getelementptr float, ptr %0, i64 %2
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.012 = phi float [ %8, %.lr.ph ], [ 0.000000e+00, %3 ]
  %.0911 = phi i64 [ %9, %.lr.ph ], [ 0, %3 ]
  %4 = xor i64 %.0911, -1
  %gep = getelementptr float, ptr %invariant.gep, i64 %4
  %5 = load float, ptr %gep, align 4, !tbaa !5
  %6 = uitofp i64 %.0911 to float
  %7 = tail call float @qFFMath_Pow(float noundef %1, float noundef %6) #3
  %8 = tail call float @llvm.fmuladd.f32(float %5, float %7, float %.012)
  %9 = add nuw i64 %.0911, 1
  %exitcond.not = icmp eq i64 %9, %2
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %3
  %.0.lcssa = phi float [ 0.000000e+00, %3 ], [ %8, %.lr.ph ]
  ret float %.0.lcssa
}

declare float @qFFMath_Pow(float noundef, float noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #2

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 = { "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 nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass