; LLVM IR from achilles288/robot-monitor-graphics :: src/base/internal (shadow_map_shader)

; 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"

%"struct.rmg::Vec3" = type { %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { float, float, float }
%"struct.rmg::Euler" = type { float, float, float }
%"class.rmg::internal::ShadowMapShader" = type { %"class.rmg::internal::Shader.base", %"class.rmg::Camera", %"struct.rmg::Vec3", %"struct.rmg::Vec3", %"struct.rmg::Vec3", float, float, float, i32, i32, i32 }
%"class.rmg::internal::Shader.base" = type <{ ptr, i32 }>
%"class.rmg::Camera" = type { %"struct.rmg::Vec3", %"struct.rmg::Mat3", %"struct.rmg::Mat4", %"struct.rmg::Mat4", %"struct.rmg::Mat4", float, float, float, float, float, i32 }
%"struct.rmg::Mat3" = type { %union.anon.0 }
%union.anon.0 = type { [3 x [3 x float]] }
%"struct.rmg::Mat4" = type { %union.anon.1 }
%union.anon.1 = type { [4 x [4 x float]] }

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; 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
declare dso_local void @_ZN3rmg8internal15ShadowMapShader32calculateShadowMapperTranslationEv(ptr noundef nonnull align 8 dereferenceable(336)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3rmg8internal15ShadowMapShader25setDirectionalLightVectorENS_4Vec3E(ptr noundef nonnull align 8 dereferenceable(336) %0, <2 x float> %1, float %2) #2 align 2 {
  %4 = alloca %"struct.rmg::Vec3", align 4
  %5 = alloca { <2 x float>, float }, align 4
  %6 = alloca ptr, align 8
  %7 = alloca float, align 4
  %8 = alloca %"struct.rmg::Euler", align 4
  %9 = getelementptr inbounds { <2 x float>, float }, ptr %5, i32 0, i32 0
  store <2 x float> %1, ptr %9, align 4
  %10 = getelementptr inbounds { <2 x float>, float }, ptr %5, i32 0, i32 1
  store float %2, ptr %10, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %4, ptr align 4 %5, i64 12, i1 false)
  store ptr %0, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  %12 = getelementptr inbounds %"struct.rmg::Vec3", ptr %4, i32 0, i32 0
  %13 = getelementptr inbounds %struct.anon, ptr %12, i32 0, i32 0
  %14 = load float, ptr %13, align 4, !tbaa !9
  %15 = getelementptr inbounds %"struct.rmg::Vec3", ptr %4, i32 0, i32 0
  %16 = getelementptr inbounds %struct.anon, ptr %15, i32 0, i32 0
  %17 = load float, ptr %16, align 4, !tbaa !9
  %18 = getelementptr inbounds %"struct.rmg::Vec3", ptr %4, i32 0, i32 0
  %19 = getelementptr inbounds %struct.anon, ptr %18, i32 0, i32 1
  %20 = load float, ptr %19, align 4, !tbaa !9
  %21 = getelementptr inbounds %"struct.rmg::Vec3", ptr %4, i32 0, i32 0
  %22 = getelementptr inbounds %struct.anon, ptr %21, i32 0, i32 1
  %23 = load float, ptr %22, align 4, !tbaa !9
  %24 = fmul float %20, %23
  %25 = call float @llvm.fmuladd.f32(float %14, float %17, float %24)
  %26 = fpext float %25 to double
  %27 = call double @sqrt(double noundef %26) #7
  %28 = fptrunc double %27 to float
  store float %28, ptr %7, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #7
  call void @_ZN3rmg5EulerC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %8) #7
  %29 = getelementptr inbounds %"struct.rmg::Euler", ptr %8, i32 0, i32 0
  store float 0.000000e+00, ptr %29, align 4, !tbaa !12
  %30 = getelementptr inbounds %"struct.rmg::Vec3", ptr %4, i32 0, i32 0
  %31 = getelementptr inbounds %struct.anon, ptr %30, i32 0, i32 2
  %32 = load float, ptr %31, align 4, !tbaa !9
  %33 = load float, ptr %7, align 4, !tbaa !10
  %34 = fdiv float %32, %33
  %35 = fpext float %34 to double
  %36 = call double @atan(double noundef %35) #7
  %37 = fneg double %36
  %38 = fptrunc double %37 to float
  %39 = getelementptr inbounds %"struct.rmg::Euler", ptr %8, i32 0, i32 1
  store float %38, ptr %39, align 4, !tbaa !14
  %40 = getelementptr inbounds %"struct.rmg::Vec3", ptr %4, i32 0, i32 0
  %41 = getelementptr inbounds %struct.anon, ptr %40, i32 0, i32 1
  %42 = load float, ptr %41, align 4, !tbaa !9
  %43 = fpext float %42 to double
  %44 = getelementptr inbounds %"struct.rmg::Vec3", ptr %4, i32 0, i32 0
  %45 = getelementptr inbounds %struct.anon, ptr %44, i32 0, i32 0
  %46 = load float, ptr %45, align 4, !tbaa !9
  %47 = fpext float %46 to double
  %48 = call double @atan2(double noundef %43, double noundef %47) #7
  %49 = fptrunc double %48 to float
  %50 = getelementptr inbounds %"struct.rmg::Euler", ptr %8, i32 0, i32 2
  store float %49, ptr %50, align 4, !tbaa !15
  %51 = getelementptr inbounds %"class.rmg::internal::ShadowMapShader", ptr %11, i32 0, i32 1
  call void @_ZN3rmg6Camera11setRotationERKNS_5EulerE(ptr noundef nonnull align 4 dereferenceable(264) %51, ptr noundef nonnull align 4 dereferenceable(12) %8)
  %52 = getelementptr inbounds %"class.rmg::internal::ShadowMapShader", ptr %11, i32 0, i32 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %52, ptr align 4 %4, i64 12, i1 false), !tbaa.struct !16
  call void @_ZN3rmg8internal15ShadowMapShader32calculateShadowMapperTranslationEv(ptr noundef nonnull align 8 dereferenceable(336) %11)
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  ret void
}

; Function Attrs: nounwind
declare double @sqrt(double noundef) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3rmg5EulerC2Ev(ptr noundef nonnull align 4 dereferenceable(12)) unnamed_addr #5 align 2

; Function Attrs: nounwind
declare double @atan(double noundef) #3

; Function Attrs: nounwind
declare double @atan2(double noundef, double noundef) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN3rmg6Camera11setRotationERKNS_5EulerE(ptr noundef nonnull align 4 dereferenceable(264), ptr noundef nonnull align 4 dereferenceable(12)) #6 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="64" "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 "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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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 #6 = { 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" }
attributes #7 = { 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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"float", !7, i64 0}
!12 = !{!13, !11, i64 0}
!13 = !{!"_ZTSN3rmg5EulerE", !11, i64 0, !11, i64 4, !11, i64 8}
!14 = !{!13, !11, i64 4}
!15 = !{!13, !11, i64 8}
!16 = !{i64 0, i64 12, !9}


; 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"

%"struct.rmg::Euler" = type { float, float, float }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3rmg8internal15ShadowMapShader32calculateShadowMapperTranslationEv(ptr noundef nonnull align 8 dereferenceable(336)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3rmg8internal15ShadowMapShader25setDirectionalLightVectorENS_4Vec3E(ptr noundef nonnull align 8 dereferenceable(336) %0, <2 x float> %1, float %2) local_unnamed_addr #1 align 2 {
  %4 = alloca %"struct.rmg::Euler", align 4
  %.sroa.02.0.vec.extract = extractelement <2 x float> %1, i64 0
  %.sroa.02.4.vec.extract = extractelement <2 x float> %1, i64 1
  %5 = fmul float %.sroa.02.4.vec.extract, %.sroa.02.4.vec.extract
  %6 = tail call float @llvm.fmuladd.f32(float %.sroa.02.0.vec.extract, float %.sroa.02.0.vec.extract, float %5)
  %sqrt = tail call float @llvm.sqrt.f32(float %6)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %4) #7
  call void @_ZN3rmg5EulerC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %4) #7
  store float 0.000000e+00, ptr %4, align 4, !tbaa !5
  %7 = fdiv float %2, %sqrt
  %8 = fpext float %7 to double
  %9 = call double @atan(double noundef %8) #7
  %10 = fptrunc double %9 to float
  %11 = fneg float %10
  %12 = getelementptr inbounds i8, ptr %4, i64 4
  store float %11, ptr %12, align 4, !tbaa !10
  %13 = fpext float %.sroa.02.4.vec.extract to double
  %14 = fpext float %.sroa.02.0.vec.extract to double
  %15 = call double @atan2(double noundef %13, double noundef %14) #7
  %16 = fptrunc double %15 to float
  %17 = getelementptr inbounds i8, ptr %4, i64 8
  store float %16, ptr %17, align 4, !tbaa !11
  %18 = getelementptr inbounds i8, ptr %0, i64 12
  call void @_ZN3rmg6Camera11setRotationERKNS_5EulerE(ptr noundef nonnull align 4 dereferenceable(264) %18, ptr noundef nonnull align 4 dereferenceable(12) %4)
  %19 = getelementptr inbounds i8, ptr %0, i64 300
  store <2 x float> %1, ptr %19, align 4
  %.sroa.8.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 308
  store float %2, ptr %.sroa.8.0..sroa_idx, align 4, !tbaa !12
  call void @_ZN3rmg8internal15ShadowMapShader32calculateShadowMapperTranslationEv(ptr noundef nonnull align 8 dereferenceable(336) %0)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #7
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3rmg5EulerC2Ev(ptr noundef nonnull align 4 dereferenceable(12)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @atan(double noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @atan2(double noundef, double noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN3rmg6Camera11setRotationERKNS_5EulerE(ptr noundef nonnull align 4 dereferenceable(264), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #5 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.sqrt.f32(float) #6

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "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 nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #3 = { 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 #4 = { 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 #5 = { 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" }
attributes #6 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { 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, !7, i64 0}
!6 = !{!"_ZTSN3rmg5EulerE", !7, i64 0, !7, i64 4, !7, i64 8}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 4}
!11 = !{!6, !7, i64 8}
!12 = !{!8, !8, i64 0}


; Effective O3 passes: AggressiveInstCombinePass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass