; LLVM IR from CLASS-SZ/class_sz :: class-sz/tools (r8lib)

; 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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

; Function Attrs: nounwind uwtable
define dso_local double @r8vec_scalar_triple_product(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca double, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds double, ptr %8, i64 0
  %10 = load double, ptr %9, align 8, !tbaa !9
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds double, ptr %11, i64 1
  %13 = load double, ptr %12, align 8, !tbaa !9
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = getelementptr inbounds double, ptr %14, i64 2
  %16 = load double, ptr %15, align 8, !tbaa !9
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds double, ptr %17, i64 2
  %19 = load double, ptr %18, align 8, !tbaa !9
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds double, ptr %20, i64 1
  %22 = load double, ptr %21, align 8, !tbaa !9
  %23 = fmul double %19, %22
  %24 = fneg double %23
  %25 = call double @llvm.fmuladd.f64(double %13, double %16, double %24)
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds double, ptr %26, i64 1
  %28 = load double, ptr %27, align 8, !tbaa !9
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = getelementptr inbounds double, ptr %29, i64 2
  %31 = load double, ptr %30, align 8, !tbaa !9
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = getelementptr inbounds double, ptr %32, i64 0
  %34 = load double, ptr %33, align 8, !tbaa !9
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = getelementptr inbounds double, ptr %35, i64 0
  %37 = load double, ptr %36, align 8, !tbaa !9
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  %39 = getelementptr inbounds double, ptr %38, i64 2
  %40 = load double, ptr %39, align 8, !tbaa !9
  %41 = fmul double %37, %40
  %42 = fneg double %41
  %43 = call double @llvm.fmuladd.f64(double %31, double %34, double %42)
  %44 = fmul double %28, %43
  %45 = call double @llvm.fmuladd.f64(double %10, double %25, double %44)
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  %47 = getelementptr inbounds double, ptr %46, i64 2
  %48 = load double, ptr %47, align 8, !tbaa !9
  %49 = load ptr, ptr %5, align 8, !tbaa !5
  %50 = getelementptr inbounds double, ptr %49, i64 0
  %51 = load double, ptr %50, align 8, !tbaa !9
  %52 = load ptr, ptr %6, align 8, !tbaa !5
  %53 = getelementptr inbounds double, ptr %52, i64 1
  %54 = load double, ptr %53, align 8, !tbaa !9
  %55 = load ptr, ptr %5, align 8, !tbaa !5
  %56 = getelementptr inbounds double, ptr %55, i64 1
  %57 = load double, ptr %56, align 8, !tbaa !9
  %58 = load ptr, ptr %6, align 8, !tbaa !5
  %59 = getelementptr inbounds double, ptr %58, i64 0
  %60 = load double, ptr %59, align 8, !tbaa !9
  %61 = fmul double %57, %60
  %62 = fneg double %61
  %63 = call double @llvm.fmuladd.f64(double %51, double %54, double %62)
  %64 = call double @llvm.fmuladd.f64(double %48, double %63, double %45)
  store double %64, ptr %7, align 8, !tbaa !9
  %65 = load double, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret double %65
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { 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/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 nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local double @r8vec_scalar_triple_product(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2) local_unnamed_addr #1 {
  %4 = load double, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = load double, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %2, i64 16
  %8 = load double, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 16
  %10 = load double, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %2, i64 8
  %12 = load double, ptr %11, align 8, !tbaa !5
  %13 = fneg double %10
  %14 = fmul double %12, %13
  %15 = tail call double @llvm.fmuladd.f64(double %6, double %8, double %14)
  %16 = getelementptr inbounds i8, ptr %0, i64 8
  %17 = load double, ptr %16, align 8, !tbaa !5
  %18 = load double, ptr %2, align 8, !tbaa !5
  %19 = load double, ptr %1, align 8, !tbaa !5
  %20 = fneg double %19
  %21 = fmul double %8, %20
  %22 = tail call double @llvm.fmuladd.f64(double %10, double %18, double %21)
  %23 = fmul double %17, %22
  %24 = tail call double @llvm.fmuladd.f64(double %4, double %15, double %23)
  %25 = getelementptr inbounds i8, ptr %0, i64 16
  %26 = load double, ptr %25, align 8, !tbaa !5
  %27 = fneg double %6
  %28 = fmul double %18, %27
  %29 = tail call double @llvm.fmuladd.f64(double %19, double %12, double %28)
  %30 = tail call double @llvm.fmuladd.f64(double %26, double %29, double %24)
  ret double %30
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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/C++ TBAA"}


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