; LLVM IR from csviragh/robotsim :: src/utilities (math_utils)

; 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: nounwind uwtable
define dso_local double @StoppingDistanceLinSqrt(double noundef %0, double noundef %1, double noundef %2) #0 {
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  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
  %8 = load double, ptr %5, align 8, !tbaa !5
  %9 = load double, ptr %6, align 8, !tbaa !5
  %10 = load double, ptr %7, align 8, !tbaa !5
  %11 = fdiv double %9, %10
  %12 = fcmp olt double %8, %11
  br i1 %12, label %13, label %17

13:                                               ; preds = %3
  %14 = load double, ptr %5, align 8, !tbaa !5
  %15 = load double, ptr %7, align 8, !tbaa !5
  %16 = fdiv double %14, %15
  store double %16, ptr %4, align 8
  br label %30

17:                                               ; preds = %3
  %18 = load double, ptr %5, align 8, !tbaa !5
  %19 = load double, ptr %5, align 8, !tbaa !5
  %20 = fmul double %18, %19
  %21 = load double, ptr %6, align 8, !tbaa !5
  %22 = fdiv double %20, %21
  %23 = load double, ptr %6, align 8, !tbaa !5
  %24 = load double, ptr %7, align 8, !tbaa !5
  %25 = fdiv double %23, %24
  %26 = load double, ptr %7, align 8, !tbaa !5
  %27 = fdiv double %25, %26
  %28 = fadd double %22, %27
  %29 = fdiv double %28, 2.000000e+00
  store double %29, ptr %4, align 8
  br label %30

30:                                               ; preds = %17, %13
  %31 = load double, ptr %4, align 8
  ret double %31
}

attributes #0 = { 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef double @StoppingDistanceLinSqrt(double noundef %0, double noundef %1, double noundef %2) local_unnamed_addr #0 {
  %4 = fdiv double %1, %2
  %5 = fcmp ogt double %4, %0
  br i1 %5, label %6, label %8

6:                                                ; preds = %3
  %7 = fdiv double %0, %2
  br label %18

8:                                                ; preds = %3
  %9 = fmul double %0, %0
  %10 = insertelement <2 x double> poison, double %9, i64 0
  %11 = insertelement <2 x double> %10, double %4, i64 1
  %12 = insertelement <2 x double> poison, double %1, i64 0
  %13 = insertelement <2 x double> %12, double %2, i64 1
  %14 = fdiv <2 x double> %11, %13
  %shift = shufflevector <2 x double> %14, <2 x double> poison, <2 x i32> <i32 1, i32 poison>
  %15 = fadd <2 x double> %14, %shift
  %16 = extractelement <2 x double> %15, i64 0
  %17 = fmul double %16, 5.000000e-01
  br label %18

18:                                               ; preds = %8, %6
  %.0 = phi double [ %7, %6 ], [ %17, %8 ]
  ret double %.0
}

attributes #0 = { 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,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,VectorCombinePass