; LLVM IR from sp-nitech/SPTK :: third_party/WORLD/fft_world.ll (ZN4sptk5world7cftx020EPd)

; 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 nounwind uwtable
define dso_local void @_ZN4sptk5world7cftx020EPd(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca double, align 8
  %4 = alloca double, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds double, ptr %5, i64 0
  %7 = load double, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds double, ptr %8, i64 2
  %10 = load double, ptr %9, align 8, !tbaa !9
  %11 = fsub double %7, %10
  store double %11, ptr %3, align 8, !tbaa !9
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds double, ptr %12, i64 1
  %14 = load double, ptr %13, align 8, !tbaa !9
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds double, ptr %15, i64 3
  %17 = load double, ptr %16, align 8, !tbaa !9
  %18 = fsub double %14, %17
  store double %18, ptr %4, align 8, !tbaa !9
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds double, ptr %19, i64 2
  %21 = load double, ptr %20, align 8, !tbaa !9
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds double, ptr %22, i64 0
  %24 = load double, ptr %23, align 8, !tbaa !9
  %25 = fadd double %24, %21
  store double %25, ptr %23, align 8, !tbaa !9
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = getelementptr inbounds double, ptr %26, i64 3
  %28 = load double, ptr %27, align 8, !tbaa !9
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds double, ptr %29, i64 1
  %31 = load double, ptr %30, align 8, !tbaa !9
  %32 = fadd double %31, %28
  store double %32, ptr %30, align 8, !tbaa !9
  %33 = load double, ptr %3, align 8, !tbaa !9
  %34 = load ptr, ptr %2, align 8, !tbaa !5
  %35 = getelementptr inbounds double, ptr %34, i64 2
  store double %33, ptr %35, align 8, !tbaa !9
  %36 = load double, ptr %4, align 8, !tbaa !9
  %37 = load ptr, ptr %2, align 8, !tbaa !5
  %38 = getelementptr inbounds double, ptr %37, i64 3
  store double %36, ptr %38, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN4sptk5world7cftx020EPd(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load <2 x double>, ptr %0, align 8, !tbaa !5
  %4 = load <2 x double>, ptr %2, align 8, !tbaa !5
  %5 = fadd <2 x double> %3, %4
  store <2 x double> %5, ptr %0, align 8, !tbaa !5
  %6 = fsub <2 x double> %3, %4
  store <2 x double> %6, ptr %2, align 8, !tbaa !5
  ret void
}

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" }

!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: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass