; LLVM IR from napulen/justkeydding :: nnls-chroma-1.1/chromamethods.ll (Z12pitchCospulsffi)

; 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 noundef float @_Z7cospulsfff(float noundef, float noundef, float noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_Z12pitchCospulsffi(float noundef %0, float noundef %1, i32 noundef %2) #1 {
  %4 = alloca float, align 4
  %5 = alloca float, align 4
  %6 = alloca i32, align 4
  %7 = alloca float, align 4
  %8 = alloca float, align 4
  %9 = alloca float, align 4
  store float %0, ptr %4, align 4, !tbaa !5
  store float %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %10 = load i32, ptr %6, align 4, !tbaa !9
  %11 = sub nsw i32 0, %10
  %12 = sitofp i32 %11 to float
  %13 = load float, ptr %5, align 4, !tbaa !5
  %14 = call noundef float @_ZSt4log2f(float noundef %13)
  %15 = load float, ptr %4, align 4, !tbaa !5
  %16 = call noundef float @_ZSt4log2f(float noundef %15)
  %17 = fsub float %14, %16
  %18 = fmul float %12, %17
  store float %18, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %19 = load float, ptr %7, align 4, !tbaa !5
  %20 = call noundef float @_Z7cospulsfff(float noundef %19, float noundef 0.000000e+00, float noundef 2.000000e+00)
  store float %20, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %21 = call double @log(double noundef 2.000000e+00) #4
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = sitofp i32 %22 to double
  %24 = fdiv double %21, %23
  %25 = fptrunc double %24 to float
  store float %25, ptr %9, align 4, !tbaa !5
  %26 = load float, ptr %4, align 4, !tbaa !5
  %27 = fcmp ogt float %26, 0.000000e+00
  br i1 %27, label %28, label %34

28:                                               ; preds = %3
  %29 = load float, ptr %8, align 4, !tbaa !5
  %30 = load float, ptr %9, align 4, !tbaa !5
  %31 = load float, ptr %4, align 4, !tbaa !5
  %32 = fmul float %30, %31
  %33 = fdiv float %29, %32
  store float %33, ptr %8, align 4, !tbaa !5
  br label %35

34:                                               ; preds = %3
  store float 0.000000e+00, ptr %8, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %34, %28
  %36 = load float, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret float %36
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4log2f(float noundef) #2

; Function Attrs: nounwind
declare double @log(double noundef) #3

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 = { 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 "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 #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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; 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 uwtable
declare dso_local noundef float @_Z7cospulsfff(float noundef, float noundef, float noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_Z12pitchCospulsffi(float noundef %0, float noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = sub nsw i32 0, %2
  %5 = sitofp i32 %4 to float
  %6 = tail call noundef float @_ZSt4log2f(float noundef %1)
  %7 = tail call noundef float @_ZSt4log2f(float noundef %0)
  %8 = fsub float %6, %7
  %9 = fmul float %8, %5
  %10 = tail call noundef float @_Z7cospulsfff(float noundef %9, float noundef 0.000000e+00, float noundef 2.000000e+00)
  %11 = fcmp ogt float %0, 0.000000e+00
  br i1 %11, label %12, label %18

12:                                               ; preds = %3
  %13 = sitofp i32 %2 to double
  %14 = fdiv double 0x3FE62E42FEFA39EF, %13
  %15 = fptrunc double %14 to float
  %16 = fmul float %15, %0
  %17 = fdiv float %10, %16
  br label %18

18:                                               ; preds = %3, %12
  %.0 = phi float [ %17, %12 ], [ 0.000000e+00, %3 ]
  ret float %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt4log2f(float noundef) local_unnamed_addr #1

attributes #0 = { 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 #1 = { 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)"}


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