; LLVM IR from doyubkim/fluid-engine-dev :: src/examples/hello_fluid_sim/main.ll (Z10updateWavedPdS_)

; 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 nounwind uwtable
define dso_local void @_Z10updateWavedPdS_(double noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca double, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store double %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !9
  %7 = load double, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %6, align 8, !tbaa !9
  %9 = load double, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8, !tbaa !9
  %11 = load double, ptr %10, align 8, !tbaa !5
  %12 = call double @llvm.fmuladd.f64(double %7, double %9, double %11)
  store double %12, ptr %10, align 8, !tbaa !5
  %13 = load ptr, ptr %5, align 8, !tbaa !9
  %14 = load double, ptr %13, align 8, !tbaa !5
  %15 = fcmp ogt double %14, 1.000000e+00
  br i1 %15, label %16, label %25

16:                                               ; preds = %3
  %17 = load ptr, ptr %6, align 8, !tbaa !9
  %18 = load double, ptr %17, align 8, !tbaa !5
  %19 = fmul double %18, -1.000000e+00
  store double %19, ptr %17, align 8, !tbaa !5
  %20 = load double, ptr %4, align 8, !tbaa !5
  %21 = load ptr, ptr %6, align 8, !tbaa !9
  %22 = load double, ptr %21, align 8, !tbaa !5
  %23 = call double @llvm.fmuladd.f64(double %20, double %22, double 1.000000e+00)
  %24 = load ptr, ptr %5, align 8, !tbaa !9
  store double %23, ptr %24, align 8, !tbaa !5
  br label %39

25:                                               ; preds = %3
  %26 = load ptr, ptr %5, align 8, !tbaa !9
  %27 = load double, ptr %26, align 8, !tbaa !5
  %28 = fcmp olt double %27, 0.000000e+00
  br i1 %28, label %29, label %38

29:                                               ; preds = %25
  %30 = load ptr, ptr %6, align 8, !tbaa !9
  %31 = load double, ptr %30, align 8, !tbaa !5
  %32 = fmul double %31, -1.000000e+00
  store double %32, ptr %30, align 8, !tbaa !5
  %33 = load double, ptr %4, align 8, !tbaa !5
  %34 = load ptr, ptr %6, align 8, !tbaa !9
  %35 = load double, ptr %34, align 8, !tbaa !5
  %36 = fmul double %33, %35
  %37 = load ptr, ptr %5, align 8, !tbaa !9
  store double %36, ptr %37, align 8, !tbaa !5
  br label %38

38:                                               ; preds = %29, %25
  br label %39

39:                                               ; preds = %38, %16
  ret void
}

; Function Attrs: 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 = { 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_Z10updateWavedPdS_(double noundef %0, ptr nocapture noundef %1, ptr nocapture noundef %2) local_unnamed_addr #0 {
  %4 = load double, ptr %2, align 8, !tbaa !5
  %5 = load double, ptr %1, align 8, !tbaa !5
  %6 = tail call double @llvm.fmuladd.f64(double %0, double %4, double %5)
  store double %6, ptr %1, align 8, !tbaa !5
  %7 = fcmp ogt double %6, 1.000000e+00
  br i1 %7, label %8, label %12

8:                                                ; preds = %3
  %9 = load double, ptr %2, align 8, !tbaa !5
  %10 = fneg double %9
  store double %10, ptr %2, align 8, !tbaa !5
  %11 = tail call double @llvm.fmuladd.f64(double %0, double %10, double 1.000000e+00)
  br label %.sink.split

12:                                               ; preds = %3
  %13 = fcmp olt double %6, 0.000000e+00
  br i1 %13, label %14, label %18

14:                                               ; preds = %12
  %15 = load double, ptr %2, align 8, !tbaa !5
  %16 = fneg double %15
  store double %16, ptr %2, align 8, !tbaa !5
  %17 = fmul double %16, %0
  br label %.sink.split

.sink.split:                                      ; preds = %8, %14
  %.sink = phi double [ %17, %14 ], [ %11, %8 ]
  store double %.sink, ptr %1, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %.sink.split, %12
  ret void
}

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

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass