; LLVM IR from SelfishOlex/MiniAudioO3DE :: MiniAudio/Code/Source/Clients (MiniAudioImplementation)

; 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 nounwind uwtable
define dso_local void @drwav_f32_to_s32(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %14, label %11

11:                                               ; preds = %3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %15

14:                                               ; preds = %11, %3
  store i32 1, ptr %8, align 4
  br label %34

15:                                               ; preds = %11
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %16

16:                                               ; preds = %30, %15
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = icmp ult i64 %17, %18
  br i1 %19, label %20, label %33

20:                                               ; preds = %16
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = getelementptr inbounds float, ptr %21, i64 %22
  %24 = load float, ptr %23, align 4, !tbaa !11
  %25 = fpext float %24 to double
  %26 = fmul double 0x41E0000000000000, %25
  %27 = fptosi double %26 to i32
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds i32, ptr %28, i32 1
  store ptr %29, ptr %4, align 8, !tbaa !5
  store i32 %27, ptr %28, align 4, !tbaa !13
  br label %30

30:                                               ; preds = %20
  %31 = load i64, ptr %7, align 8, !tbaa !9
  %32 = add i64 %31, 1
  store i64 %32, ptr %7, align 8, !tbaa !9
  br label %16, !llvm.loop !15

33:                                               ; preds = %16
  store i32 0, ptr %8, align 4
  br label %34

34:                                               ; preds = %33, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  %35 = load i32, ptr %8, align 4
  switch i32 %35, label %37 [
    i32 0, label %36
    i32 1, label %36
  ]

36:                                               ; preds = %34, %34
  ret void

37:                                               ; preds = %34
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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 nofree norecurse nosync nounwind memory(write, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local void @drwav_f32_to_s32(ptr noundef writeonly %0, ptr noundef readonly %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = icmp ne ptr %0, null
  %5 = icmp ne ptr %1, null
  %or.cond.not15 = and i1 %4, %5
  %6 = icmp ne i64 %2, 0
  %or.cond13 = and i1 %or.cond.not15, %6
  br i1 %or.cond13, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %3
  %min.iters.check = icmp ult i64 %2, 8
  br i1 %min.iters.check, label %.lr.ph.preheader19, label %vector.ph

vector.ph:                                        ; preds = %.lr.ph.preheader
  %n.vec = and i64 %2, -8
  %7 = shl i64 %n.vec, 2
  %ind.end = getelementptr i8, ptr %0, i64 %7
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %offset.idx = shl i64 %index, 2
  %next.gep = getelementptr i8, ptr %0, i64 %offset.idx
  %8 = getelementptr inbounds float, ptr %1, i64 %index
  %9 = getelementptr inbounds i8, ptr %8, i64 16
  %wide.load = load <4 x float>, ptr %8, align 4, !tbaa !5
  %wide.load18 = load <4 x float>, ptr %9, align 4, !tbaa !5
  %10 = fpext <4 x float> %wide.load to <4 x double>
  %11 = fpext <4 x float> %wide.load18 to <4 x double>
  %12 = fmul <4 x double> %10, <double 0x41E0000000000000, double 0x41E0000000000000, double 0x41E0000000000000, double 0x41E0000000000000>
  %13 = fmul <4 x double> %11, <double 0x41E0000000000000, double 0x41E0000000000000, double 0x41E0000000000000, double 0x41E0000000000000>
  %14 = fptosi <4 x double> %12 to <4 x i32>
  %15 = fptosi <4 x double> %13 to <4 x i32>
  %16 = getelementptr i8, ptr %next.gep, i64 16
  store <4 x i32> %14, ptr %next.gep, align 4, !tbaa !9
  store <4 x i32> %15, ptr %16, align 4, !tbaa !9
  %index.next = add nuw i64 %index, 8
  %17 = icmp eq i64 %index.next, %n.vec
  br i1 %17, label %middle.block, label %vector.body, !llvm.loop !11

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %2
  br i1 %cmp.n, label %.loopexit, label %.lr.ph.preheader19

.lr.ph.preheader19:                               ; preds = %middle.block, %.lr.ph.preheader
  %.012.ph = phi i64 [ 0, %.lr.ph.preheader ], [ %n.vec, %middle.block ]
  %.0811.ph = phi ptr [ %0, %.lr.ph.preheader ], [ %ind.end, %middle.block ]
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader19, %.lr.ph
  %.012 = phi i64 [ %24, %.lr.ph ], [ %.012.ph, %.lr.ph.preheader19 ]
  %.0811 = phi ptr [ %23, %.lr.ph ], [ %.0811.ph, %.lr.ph.preheader19 ]
  %18 = getelementptr inbounds float, ptr %1, i64 %.012
  %19 = load float, ptr %18, align 4, !tbaa !5
  %20 = fpext float %19 to double
  %21 = fmul double %20, 0x41E0000000000000
  %22 = fptosi double %21 to i32
  %23 = getelementptr inbounds i8, ptr %.0811, i64 4
  store i32 %22, ptr %.0811, align 4, !tbaa !9
  %24 = add nuw i64 %.012, 1
  %exitcond.not = icmp eq i64 %24, %2
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph, !llvm.loop !15

.loopexit:                                        ; preds = %.lr.ph, %middle.block, %3
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind memory(write, argmem: readwrite, inaccessiblemem: 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12, !13, !14}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!"llvm.loop.isvectorized", i32 1}
!14 = !{!"llvm.loop.unroll.runtime.disable"}
!15 = distinct !{!15, !12, !14, !13}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass