; 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 @r8mat_det_3d(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca double, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds double, ptr %4, i64 0
  %6 = load double, ptr %5, align 8, !tbaa !9
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds double, ptr %7, i64 4
  %9 = load double, ptr %8, align 8, !tbaa !9
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds double, ptr %10, i64 8
  %12 = load double, ptr %11, align 8, !tbaa !9
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds double, ptr %13, i64 7
  %15 = load double, ptr %14, align 8, !tbaa !9
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds double, ptr %16, i64 5
  %18 = load double, ptr %17, align 8, !tbaa !9
  %19 = fmul double %15, %18
  %20 = fneg double %19
  %21 = call double @llvm.fmuladd.f64(double %9, double %12, double %20)
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds double, ptr %22, i64 3
  %24 = load double, ptr %23, align 8, !tbaa !9
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds double, ptr %25, i64 7
  %27 = load double, ptr %26, align 8, !tbaa !9
  %28 = load ptr, ptr %2, align 8, !tbaa !5
  %29 = getelementptr inbounds double, ptr %28, i64 2
  %30 = load double, ptr %29, align 8, !tbaa !9
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = getelementptr inbounds double, ptr %31, i64 1
  %33 = load double, ptr %32, align 8, !tbaa !9
  %34 = load ptr, ptr %2, align 8, !tbaa !5
  %35 = getelementptr inbounds double, ptr %34, i64 8
  %36 = load double, ptr %35, align 8, !tbaa !9
  %37 = fmul double %33, %36
  %38 = fneg double %37
  %39 = call double @llvm.fmuladd.f64(double %27, double %30, double %38)
  %40 = fmul double %24, %39
  %41 = call double @llvm.fmuladd.f64(double %6, double %21, double %40)
  %42 = load ptr, ptr %2, align 8, !tbaa !5
  %43 = getelementptr inbounds double, ptr %42, i64 6
  %44 = load double, ptr %43, align 8, !tbaa !9
  %45 = load ptr, ptr %2, align 8, !tbaa !5
  %46 = getelementptr inbounds double, ptr %45, i64 1
  %47 = load double, ptr %46, align 8, !tbaa !9
  %48 = load ptr, ptr %2, align 8, !tbaa !5
  %49 = getelementptr inbounds double, ptr %48, i64 5
  %50 = load double, ptr %49, align 8, !tbaa !9
  %51 = load ptr, ptr %2, align 8, !tbaa !5
  %52 = getelementptr inbounds double, ptr %51, i64 4
  %53 = load double, ptr %52, align 8, !tbaa !9
  %54 = load ptr, ptr %2, align 8, !tbaa !5
  %55 = getelementptr inbounds double, ptr %54, i64 2
  %56 = load double, ptr %55, align 8, !tbaa !9
  %57 = fmul double %53, %56
  %58 = fneg double %57
  %59 = call double @llvm.fmuladd.f64(double %47, double %50, double %58)
  %60 = call double @llvm.fmuladd.f64(double %44, double %59, double %41)
  store double %60, ptr %3, align 8, !tbaa !9
  %61 = load double, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret double %61
}

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 @r8mat_det_3d(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = load double, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 32
  %4 = load double, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 64
  %6 = load double, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 56
  %8 = load double, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %0, i64 40
  %10 = load double, ptr %9, align 8, !tbaa !5
  %11 = fneg double %8
  %12 = fmul double %10, %11
  %13 = tail call double @llvm.fmuladd.f64(double %4, double %6, double %12)
  %14 = getelementptr inbounds i8, ptr %0, i64 24
  %15 = load double, ptr %14, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %0, i64 16
  %17 = load double, ptr %16, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %0, i64 8
  %19 = load double, ptr %18, align 8, !tbaa !5
  %20 = fneg double %19
  %21 = fmul double %6, %20
  %22 = tail call double @llvm.fmuladd.f64(double %8, double %17, double %21)
  %23 = fmul double %15, %22
  %24 = tail call double @llvm.fmuladd.f64(double %2, double %13, double %23)
  %25 = getelementptr inbounds i8, ptr %0, i64 48
  %26 = load double, ptr %25, align 8, !tbaa !5
  %27 = fneg double %4
  %28 = fmul double %17, %27
  %29 = tail call double @llvm.fmuladd.f64(double %19, double %10, 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