; LLVM IR from buresjan/optim_lbm :: nomad/src/Math/RNG.ll (ZN9NOMAD_4_33RNG10normalRandEdd)

; 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 uwtable
define dso_local noundef double @_ZN9NOMAD_4_33RNG10normalRandEdd(double noundef %0, double noundef %1) #1 align 2 {
  %3 = alloca double, align 8
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  store double %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  br label %8

8:                                                ; preds = %17, %2
  %9 = call noundef double @_ZN9NOMAD_4_33RNG4randEdd(double noundef -1.000000e+00, double noundef 1.000000e+00)
  store double %9, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %10 = call noundef double @_ZN9NOMAD_4_33RNG4randEdd(double noundef -1.000000e+00, double noundef 1.000000e+00)
  store double %10, ptr %7, align 8, !tbaa !5
  %11 = load double, ptr %5, align 8, !tbaa !5
  %12 = load double, ptr %5, align 8, !tbaa !5
  %13 = load double, ptr %7, align 8, !tbaa !5
  %14 = load double, ptr %7, align 8, !tbaa !5
  %15 = fmul double %13, %14
  %16 = call double @llvm.fmuladd.f64(double %11, double %12, double %15)
  store double %16, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %17

17:                                               ; preds = %8
  %18 = load double, ptr %6, align 8, !tbaa !5
  %19 = fcmp oge double %18, 1.000000e+00
  br i1 %19, label %8, label %20, !llvm.loop !9

20:                                               ; preds = %17
  %21 = load double, ptr %6, align 8, !tbaa !5
  %22 = call double @log(double noundef %21) #5
  %23 = fmul double -2.000000e+00, %22
  %24 = load double, ptr %6, align 8, !tbaa !5
  %25 = fdiv double %23, %24
  %26 = call double @sqrt(double noundef %25) #5
  store double %26, ptr %6, align 8, !tbaa !5
  %27 = load double, ptr %4, align 8, !tbaa !5
  %28 = call double @pow(double noundef %27, double noundef 5.000000e-01) #5
  %29 = load double, ptr %5, align 8, !tbaa !5
  %30 = fmul double %28, %29
  %31 = load double, ptr %6, align 8, !tbaa !5
  %32 = load double, ptr %3, align 8, !tbaa !5
  %33 = call double @llvm.fmuladd.f64(double %30, double %31, double %32)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret double %33
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZN9NOMAD_4_33RNG4randEdd(double noundef, double noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #3

; Function Attrs: nounwind
declare double @sqrt(double noundef) #4

; Function Attrs: nounwind
declare double @log(double noundef) #4

; Function Attrs: nounwind
declare double @pow(double noundef, double noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nounwind "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 #5 = { 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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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 nounwind uwtable
define dso_local noundef double @_ZN9NOMAD_4_33RNG10normalRandEdd(double noundef %0, double noundef %1) local_unnamed_addr #0 align 2 {
  br label %3

3:                                                ; preds = %3, %2
  %4 = tail call noundef double @_ZN9NOMAD_4_33RNG4randEdd(double noundef -1.000000e+00, double noundef 1.000000e+00)
  %5 = tail call noundef double @_ZN9NOMAD_4_33RNG4randEdd(double noundef -1.000000e+00, double noundef 1.000000e+00)
  %6 = fmul double %5, %5
  %7 = tail call double @llvm.fmuladd.f64(double %4, double %4, double %6)
  %8 = fcmp ult double %7, 1.000000e+00
  br i1 %8, label %9, label %3, !llvm.loop !5

9:                                                ; preds = %3
  %10 = tail call double @log(double noundef %7) #3
  %11 = fmul double %10, -2.000000e+00
  %12 = fdiv double %11, %7
  %13 = tail call double @sqrt(double noundef %12) #3
  %14 = tail call double @pow(double noundef %1, double noundef 5.000000e-01) #3
  %15 = fmul double %4, %14
  %16 = tail call double @llvm.fmuladd.f64(double %15, double %13, double %0)
  ret double %16
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZN9NOMAD_4_33RNG4randEdd(double noundef, double noundef) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @sqrt(double noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @log(double noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @pow(double noundef, double noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { mustprogress nofree nounwind willreturn memory(write) "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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass