; LLVM IR from Try/Tempest :: Engine/thirdparty/openal-soft/core/mixer (mixer_c)

; 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"

%"class.al::span.10" = type { ptr, i64 }
%"class.al::span.8" = type { ptr }
%"class.al::span.9" = type { ptr, i64 }
%"class.al::span.7" = type { ptr, i64 }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14MixDirectHrtf_I4CTagEvN2al4spanIfLm1024EEES3_NS2_IKSt5arrayIfLm1024EELm18446744073709551615EEENS2_IS4_IfLm2EELm18446744073709551615EEES3_NS2_I16HrtfChannelStateLm18446744073709551615EEEmm(ptr %0, ptr %1, ptr %2, i64 %3, ptr %4, i64 %5, i64 %6, ptr noundef byval(%"class.al::span.10") align 8 %7, i64 noundef %8, i64 noundef %9) #1 {
  %11 = alloca %"class.al::span.8", align 8
  %12 = alloca %"class.al::span.8", align 8
  %13 = alloca %"class.al::span.9", align 8
  %14 = alloca %"class.al::span.7", align 8
  %15 = alloca %"class.al::span.8", align 8
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  %18 = alloca %"class.al::span.8", align 8
  %19 = alloca %"class.al::span.8", align 8
  %20 = alloca %"class.al::span.9", align 8
  %21 = alloca %"class.al::span.7", align 8
  %22 = alloca %"class.al::span.8", align 8
  %23 = alloca %"class.al::span.10", align 8
  %24 = getelementptr inbounds %"class.al::span.8", ptr %11, i32 0, i32 0
  store ptr %0, ptr %24, align 8
  %25 = getelementptr inbounds %"class.al::span.8", ptr %12, i32 0, i32 0
  store ptr %1, ptr %25, align 8
  %26 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 0
  store ptr %2, ptr %26, align 8
  %27 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 1
  store i64 %3, ptr %27, align 8
  %28 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 0
  store ptr %4, ptr %28, align 8
  %29 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 1
  store i64 %5, ptr %29, align 8
  %30 = getelementptr inbounds %"class.al::span.8", ptr %15, i32 0, i32 0
  %31 = inttoptr i64 %6 to ptr
  store ptr %31, ptr %30, align 8
  store i64 %8, ptr %16, align 8, !tbaa !5
  store i64 %9, ptr %17, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %18, ptr align 8 %11, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %19, ptr align 8 %12, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %20, ptr align 8 %13, i64 16, i1 false), !tbaa.struct !12
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %21, ptr align 8 %14, i64 16, i1 false), !tbaa.struct !12
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %22, ptr align 8 %15, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %23, ptr align 8 %7, i64 16, i1 false), !tbaa.struct !12
  %32 = load i64, ptr %16, align 8, !tbaa !5
  %33 = load i64, ptr %17, align 8, !tbaa !5
  %34 = getelementptr inbounds %"class.al::span.8", ptr %18, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8
  %36 = getelementptr inbounds %"class.al::span.8", ptr %19, i32 0, i32 0
  %37 = load ptr, ptr %36, align 8
  %38 = getelementptr inbounds { ptr, i64 }, ptr %20, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8
  %40 = getelementptr inbounds { ptr, i64 }, ptr %20, i32 0, i32 1
  %41 = load i64, ptr %40, align 8
  %42 = getelementptr inbounds { ptr, i64 }, ptr %21, i32 0, i32 0
  %43 = load ptr, ptr %42, align 8
  %44 = getelementptr inbounds { ptr, i64 }, ptr %21, i32 0, i32 1
  %45 = load i64, ptr %44, align 8
  %46 = getelementptr inbounds %"class.al::span.8", ptr %22, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8
  %48 = ptrtoint ptr %47 to i64
  call void @_Z17MixDirectHrtfBaseIXcvPFvN2al4spanISt5arrayIfLm2EELm18446744073709551615EEEmNS1_IKS3_Lm128EEEffEadL_ZN12_GLOBAL__N_111ApplyCoeffsES4_mS6_ffEEEvNS1_IfLm1024EEESA_NS1_IKS2_IfLm1024EELm18446744073709551615EEES4_SA_NS1_I16HrtfChannelStateLm18446744073709551615EEEmm(ptr %35, ptr %37, ptr %39, i64 %41, ptr %43, i64 %45, i64 %48, ptr noundef byval(%"class.al::span.10") align 8 %23, i64 noundef %32, i64 noundef %33)
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden void @_Z17MixDirectHrtfBaseIXcvPFvN2al4spanISt5arrayIfLm2EELm18446744073709551615EEEmNS1_IKS3_Lm128EEEffEadL_ZN12_GLOBAL__N_111ApplyCoeffsES4_mS6_ffEEEvNS1_IfLm1024EEESA_NS1_IKS2_IfLm1024EELm18446744073709551615EEES4_SA_NS1_I16HrtfChannelStateLm18446744073709551615EEEmm(ptr, ptr, ptr, i64, ptr, i64, i64, ptr noundef byval(%"class.al::span.10") align 8, i64 noundef, i64 noundef) #2

attributes #0 = { nocallback nofree 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 = { inlinehint 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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 8, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{i64 0, i64 8, !10, i64 8, i64 8, !5}


; 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"

%"class.al::span.10" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14MixDirectHrtf_I4CTagEvN2al4spanIfLm1024EEES3_NS2_IKSt5arrayIfLm1024EELm18446744073709551615EEENS2_IS4_IfLm2EELm18446744073709551615EEES3_NS2_I16HrtfChannelStateLm18446744073709551615EEEmm(ptr %0, ptr %1, ptr %2, i64 %3, ptr %4, i64 %5, i64 %6, ptr nocapture noundef readonly byval(%"class.al::span.10") align 8 %7, i64 noundef %8, i64 noundef %9) local_unnamed_addr #0 {
  tail call void @_Z17MixDirectHrtfBaseIXcvPFvN2al4spanISt5arrayIfLm2EELm18446744073709551615EEEmNS1_IKS3_Lm128EEEffEadL_ZN12_GLOBAL__N_111ApplyCoeffsES4_mS6_ffEEEvNS1_IfLm1024EEESA_NS1_IKS2_IfLm1024EELm18446744073709551615EEES4_SA_NS1_I16HrtfChannelStateLm18446744073709551615EEEmm(ptr %0, ptr %1, ptr %2, i64 %3, ptr %4, i64 %5, i64 %6, ptr noundef nonnull byval(%"class.al::span.10") align 8 %7, i64 noundef %8, i64 noundef %9)
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden void @_Z17MixDirectHrtfBaseIXcvPFvN2al4spanISt5arrayIfLm2EELm18446744073709551615EEEmNS1_IKS3_Lm128EEEffEadL_ZN12_GLOBAL__N_111ApplyCoeffsES4_mS6_ffEEEvNS1_IfLm1024EEESA_NS1_IKS2_IfLm1024EELm18446744073709551615EEES4_SA_NS1_I16HrtfChannelStateLm18446744073709551615EEEmm(ptr, ptr, ptr, i64, ptr, i64, i64, ptr noundef byval(%"class.al::span.10") align 8, i64 noundef, i64 noundef) local_unnamed_addr #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 = { inlinehint 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" }

!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: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass