; LLVM IR from aap/librw :: tools/playground/camera.ll (ZN6Camera4zoomEf)

; 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.rw::V3d" = type { float, float, float }
%class.Camera = type { ptr, %"struct.rw::V3d", %"struct.rw::V3d", %"struct.rw::V3d", %"struct.rw::V3d", float, float, float, float }

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #1

; 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) #2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZN2rw3addERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2rw9setlengthERKNS_3V3dEf(ptr noundef nonnull align 4 dereferenceable(12), float noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Camera4zoomEf(ptr noundef nonnull align 8 dereferenceable(72) %0, float noundef %1) #4 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  %5 = alloca %"struct.rw::V3d", align 4
  %6 = alloca { <2 x float>, float }, align 8
  %7 = alloca float, align 4
  %8 = alloca %"struct.rw::V3d", align 4
  %9 = alloca { <2 x float>, float }, align 8
  %10 = alloca %"struct.rw::V3d", align 4
  %11 = alloca { <2 x float>, float }, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  %12 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %5) #6
  %13 = getelementptr inbounds %class.Camera, ptr %12, i32 0, i32 2
  %14 = getelementptr inbounds %class.Camera, ptr %12, i32 0, i32 1
  %15 = call { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12) %13, ptr noundef nonnull align 4 dereferenceable(12) %14)
  store { <2 x float>, float } %15, ptr %6, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 8 %6, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %16 = call noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12) %5)
  store float %16, ptr %7, align 4, !tbaa !9
  %17 = load float, ptr %4, align 4, !tbaa !9
  %18 = load float, ptr %7, align 4, !tbaa !9
  %19 = fcmp oge float %17, %18
  br i1 %19, label %20, label %23

20:                                               ; preds = %2
  %21 = load float, ptr %7, align 4, !tbaa !9
  %22 = fsub float %21, 0x3F847AE140000000
  store float %22, ptr %4, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %20, %2
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #6
  %24 = load float, ptr %4, align 4, !tbaa !9
  %25 = call { <2 x float>, float } @_ZN2rw9setlengthERKNS_3V3dEf(ptr noundef nonnull align 4 dereferenceable(12) %5, float noundef %24)
  store { <2 x float>, float } %25, ptr %9, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 8 %9, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %8, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 12, ptr %10) #6
  %26 = getelementptr inbounds %class.Camera, ptr %12, i32 0, i32 1
  %27 = call { <2 x float>, float } @_ZN2rw3addERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12) %26, ptr noundef nonnull align 4 dereferenceable(12) %5)
  store { <2 x float>, float } %27, ptr %11, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 8 %11, i64 12, i1 false)
  %28 = getelementptr inbounds %class.Camera, ptr %12, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %28, ptr align 4 %10, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 12, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %5) #6
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12)) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint mustprogress nounwind 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 #4 = { 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 #5 = { inlinehint 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 = { 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 = !{!"float", !7, i64 0}
!11 = !{i64 0, i64 4, !9, i64 4, i64 4, !9, i64 8, i64 4, !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.rw::V3d" = 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: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_ZN2rw3addERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2rw9setlengthERKNS_3V3dEf(ptr noundef nonnull align 4 dereferenceable(12), float noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Camera4zoomEf(ptr noundef nonnull align 8 dereferenceable(72) %0, float noundef %1) local_unnamed_addr #3 align 2 {
  %3 = alloca %"struct.rw::V3d", align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #5
  %4 = getelementptr inbounds i8, ptr %0, i64 20
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = tail call { <2 x float>, float } @_ZN2rw3subERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12) %4, ptr noundef nonnull align 4 dereferenceable(12) %5)
  %.fca.0.extract9 = extractvalue { <2 x float>, float } %6, 0
  %.fca.1.extract10 = extractvalue { <2 x float>, float } %6, 1
  store <2 x float> %.fca.0.extract9, ptr %3, align 8
  %.sroa.212.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 8
  store float %.fca.1.extract10, ptr %.sroa.212.0..sroa_idx, align 8
  %7 = call noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12) %3)
  %8 = fcmp ugt float %7, %1
  %9 = fadd float %7, 0xBF847AE140000000
  %.0 = select i1 %8, float %1, float %9
  %10 = call { <2 x float>, float } @_ZN2rw9setlengthERKNS_3V3dEf(ptr noundef nonnull align 4 dereferenceable(12) %3, float noundef %.0)
  %.fca.0.extract2 = extractvalue { <2 x float>, float } %10, 0
  %.fca.1.extract3 = extractvalue { <2 x float>, float } %10, 1
  store <2 x float> %.fca.0.extract2, ptr %3, align 8
  store float %.fca.1.extract3, ptr %.sroa.212.0..sroa_idx, align 8, !tbaa !5
  %11 = call { <2 x float>, float } @_ZN2rw3addERKNS_3V3dES2_(ptr noundef nonnull align 4 dereferenceable(12) %5, ptr noundef nonnull align 4 dereferenceable(12) %3)
  %.fca.0.extract = extractvalue { <2 x float>, float } %11, 0
  %.fca.1.extract = extractvalue { <2 x float>, float } %11, 1
  store <2 x float> %.fca.0.extract, ptr %5, align 8
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 16
  store float %.fca.1.extract, ptr %.sroa.4.0..sroa_idx, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #5
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN2rw6lengthERKNS_3V3dE(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { inlinehint mustprogress nounwind 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 = { 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 #4 = { inlinehint 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 #5 = { 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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