; LLVM IR from liminchen/OptCuts :: ext/libigl/external/cgal/src/CGAL_Project/examples/Mesh_3/implicit_functions._116c225a (functionddd)

; 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: mustprogress nounwind uwtable
define dso_local noundef double @_Z13ring_functionddd(double noundef %0, double noundef %1, double noundef %2) #2 {
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  %10 = alloca double, align 8
  %11 = alloca i32, align 4
  store double %0, ptr %5, align 8, !tbaa !5
  store double %1, ptr %6, align 8, !tbaa !5
  store double %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store double 1.000000e-01, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %12 = load double, ptr %5, align 8, !tbaa !5
  %13 = load double, ptr %5, align 8, !tbaa !5
  %14 = load double, ptr %6, align 8, !tbaa !5
  %15 = load double, ptr %6, align 8, !tbaa !5
  %16 = fmul double %14, %15
  %17 = call double @llvm.fmuladd.f64(double %12, double %13, double %16)
  %18 = load double, ptr %7, align 8, !tbaa !5
  %19 = load double, ptr %7, align 8, !tbaa !5
  %20 = call double @llvm.fmuladd.f64(double %18, double %19, double %17)
  %21 = fsub double %20, 1.000000e+00
  store double %21, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %22 = load double, ptr %5, align 8, !tbaa !5
  store double %22, ptr %10, align 8, !tbaa !5
  %23 = load double, ptr %9, align 8, !tbaa !5
  %24 = load double, ptr %9, align 8, !tbaa !5
  %25 = load double, ptr %8, align 8, !tbaa !5
  %26 = load double, ptr %8, align 8, !tbaa !5
  %27 = fmul double %25, %26
  %28 = fneg double %27
  %29 = call double @llvm.fmuladd.f64(double %23, double %24, double %28)
  store double %29, ptr %9, align 8, !tbaa !5
  %30 = load double, ptr %10, align 8, !tbaa !5
  %31 = load double, ptr %10, align 8, !tbaa !5
  %32 = load double, ptr %8, align 8, !tbaa !5
  %33 = load double, ptr %8, align 8, !tbaa !5
  %34 = fmul double %32, %33
  %35 = fneg double %34
  %36 = call double @llvm.fmuladd.f64(double %30, double %31, double %35)
  store double %36, ptr %10, align 8, !tbaa !5
  %37 = load double, ptr %9, align 8, !tbaa !5
  %38 = fcmp olt double %37, 0.000000e+00
  br i1 %38, label %39, label %43

39:                                               ; preds = %3
  %40 = load double, ptr %10, align 8, !tbaa !5
  %41 = fcmp olt double %40, 0.000000e+00
  br i1 %41, label %42, label %43

42:                                               ; preds = %39
  store double -1.000000e+00, ptr %4, align 8
  store i32 1, ptr %11, align 4
  br label %51

43:                                               ; preds = %39, %3
  %44 = load double, ptr %9, align 8, !tbaa !5
  %45 = fcmp ogt double %44, 0.000000e+00
  br i1 %45, label %49, label %46

46:                                               ; preds = %43
  %47 = load double, ptr %10, align 8, !tbaa !5
  %48 = fcmp ogt double %47, 0.000000e+00
  br i1 %48, label %49, label %50

49:                                               ; preds = %46, %43
  store double 1.000000e+00, ptr %4, align 8
  store i32 1, ptr %11, align 4
  br label %51

50:                                               ; preds = %46
  store double 0.000000e+00, ptr %4, align 8
  store i32 1, ptr %11, align 4
  br label %51

51:                                               ; preds = %50, %49, %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %52 = load double, ptr %4, align 8
  ret double %52
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 }

!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"}


; 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(none) uwtable
define dso_local noundef double @_Z13ring_functionddd(double noundef %0, double noundef %1, double noundef %2) local_unnamed_addr #1 {
  %4 = fmul double %1, %1
  %5 = tail call double @llvm.fmuladd.f64(double %0, double %0, double %4)
  %6 = tail call double @llvm.fmuladd.f64(double %2, double %2, double %5)
  %7 = fadd double %6, -1.000000e+00
  %8 = tail call double @llvm.fmuladd.f64(double %7, double %7, double 0xBF847AE147AE147C)
  %9 = tail call double @llvm.fmuladd.f64(double %0, double %0, double 0xBF847AE147AE147C)
  %10 = fcmp olt double %8, 0.000000e+00
  %11 = fcmp olt double %9, 0.000000e+00
  %or.cond = and i1 %11, %10
  br i1 %or.cond, label %15, label %12

12:                                               ; preds = %3
  %13 = fcmp ogt double %8, 0.000000e+00
  %14 = fcmp ogt double %9, 0.000000e+00
  %or.cond3 = or i1 %14, %13
  %. = select i1 %or.cond3, double 1.000000e+00, double 0.000000e+00
  br label %15

15:                                               ; preds = %12, %3
  %.0 = phi double [ -1.000000e+00, %3 ], [ %., %12 ]
  ret double %.0
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass