; LLVM IR from garethcmurphy/Interstellar-Jet-MHD-Simulation :: src/rungekutta.ll (Z10rungekuttaddd)

; 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: mustprogress uwtable
define dso_local noundef double @_Z10rungekuttaddd(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
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  %10 = alloca double, align 8
  store double %0, ptr %4, align 8, !tbaa !5
  store double %1, ptr %5, align 8, !tbaa !5
  store double %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %11 = load double, ptr %6, align 8, !tbaa !5
  %12 = load double, ptr %5, align 8, !tbaa !5
  %13 = load double, ptr %4, align 8, !tbaa !5
  %14 = call noundef double @_Z4funcdd(double noundef %12, double noundef %13)
  %15 = fmul double %11, %14
  store double %15, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %16 = load double, ptr %6, align 8, !tbaa !5
  %17 = load double, ptr %5, align 8, !tbaa !5
  %18 = load double, ptr %6, align 8, !tbaa !5
  %19 = fdiv double %18, 2.000000e+00
  %20 = fadd double %17, %19
  %21 = load double, ptr %4, align 8, !tbaa !5
  %22 = load double, ptr %7, align 8, !tbaa !5
  %23 = fdiv double %22, 2.000000e+00
  %24 = fadd double %21, %23
  %25 = call noundef double @_Z4funcdd(double noundef %20, double noundef %24)
  %26 = fmul double %16, %25
  store double %26, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %27 = load double, ptr %6, align 8, !tbaa !5
  %28 = load double, ptr %5, align 8, !tbaa !5
  %29 = load double, ptr %6, align 8, !tbaa !5
  %30 = fdiv double %29, 2.000000e+00
  %31 = fadd double %28, %30
  %32 = load double, ptr %4, align 8, !tbaa !5
  %33 = load double, ptr %8, align 8, !tbaa !5
  %34 = fdiv double %33, 2.000000e+00
  %35 = fadd double %32, %34
  %36 = call noundef double @_Z4funcdd(double noundef %31, double noundef %35)
  %37 = fmul double %27, %36
  store double %37, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %38 = load double, ptr %6, align 8, !tbaa !5
  %39 = load double, ptr %5, align 8, !tbaa !5
  %40 = load double, ptr %6, align 8, !tbaa !5
  %41 = fadd double %39, %40
  %42 = load double, ptr %4, align 8, !tbaa !5
  %43 = load double, ptr %9, align 8, !tbaa !5
  %44 = fadd double %42, %43
  %45 = call noundef double @_Z4funcdd(double noundef %41, double noundef %44)
  %46 = fmul double %38, %45
  store double %46, ptr %10, align 8, !tbaa !5
  %47 = load double, ptr %4, align 8, !tbaa !5
  %48 = load double, ptr %7, align 8, !tbaa !5
  %49 = load double, ptr %8, align 8, !tbaa !5
  %50 = fadd double %48, %49
  %51 = load double, ptr %9, align 8, !tbaa !5
  %52 = fadd double %50, %51
  %53 = load double, ptr %10, align 8, !tbaa !5
  %54 = fadd double %52, %53
  %55 = call double @llvm.fmuladd.f64(double 0x3FC5555555555555, double %54, double %47)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret double %55
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z4funcdd(double noundef, double noundef) #2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 }

!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 nounwind uwtable
define dso_local noundef double @_Z10rungekuttaddd(double noundef %0, double noundef %1, double noundef %2) local_unnamed_addr #0 {
  %4 = tail call noundef double @_Z4funcdd(double noundef %1, double noundef %0)
  %5 = fmul double %4, %2
  %6 = fmul double %2, 5.000000e-01
  %7 = fadd double %6, %1
  %8 = fmul double %5, 5.000000e-01
  %9 = fadd double %8, %0
  %10 = tail call noundef double @_Z4funcdd(double noundef %7, double noundef %9)
  %11 = fmul double %10, %2
  %12 = fmul double %11, 5.000000e-01
  %13 = fadd double %12, %0
  %14 = tail call noundef double @_Z4funcdd(double noundef %7, double noundef %13)
  %15 = fmul double %14, %2
  %16 = fadd double %1, %2
  %17 = fadd double %15, %0
  %18 = tail call noundef double @_Z4funcdd(double noundef %16, double noundef %17)
  %19 = fmul double %18, %2
  %20 = fadd double %5, %11
  %21 = fadd double %20, %15
  %22 = fadd double %21, %19
  %23 = tail call double @llvm.fmuladd.f64(double %22, double 0x3FC5555555555555, double %0)
  ret double %23
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z4funcdd(double noundef, double noundef) local_unnamed_addr #0

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

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) }

!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,TailCallElimPass