; LLVM IR from goldest-star/seawave-animation :: src/vcl/interaction/camera/camera.ll (ZNK3vcl12camera_scene15camera_positionEv)

; 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.vcl::buffer_stack" = type { float, float, float }
%"struct.vcl::camera_scene" = type { float, %"struct.vcl::buffer_stack", %"struct.vcl::mat.0", %"struct.vcl::perspective_structure", i32, %"struct.vcl::buffer_stack.1" }
%"struct.vcl::mat.0" = type { float, float, float, float, float, float, float, float, float }
%"struct.vcl::perspective_structure" = type { float, float, float, float }
%"struct.vcl::buffer_stack.1" = type { 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12), float noundef, float noundef, float noundef) unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmlILm3ELm3EEENS_12buffer_stackIfXT_EEERKNS_3matIXT_EXT0_EEERKNS1_IfXT0_EEE(ptr noundef nonnull align 4 dereferenceable(36), ptr noundef nonnull align 4 dereferenceable(12)) #2

; 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) #3

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #2

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_ZNK3vcl12camera_scene15camera_positionEv(ptr noundef nonnull align 4 dereferenceable(80) %0) #4 align 2 {
  %2 = alloca %"struct.vcl::buffer_stack", align 4
  %3 = alloca ptr, align 8
  %4 = alloca %"struct.vcl::buffer_stack", align 4
  %5 = alloca %"struct.vcl::buffer_stack", align 4
  %6 = alloca { <2 x float>, float }, align 8
  %7 = alloca { <2 x float>, float }, align 8
  %8 = alloca { <2 x float>, float }, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %4) #5
  %10 = getelementptr inbounds %"struct.vcl::camera_scene", ptr %9, i32 0, i32 2
  call void @llvm.lifetime.start.p0(i64 12, ptr %5) #5
  %11 = getelementptr inbounds %"struct.vcl::camera_scene", ptr %9, i32 0, i32 0
  %12 = load float, ptr %11, align 4, !tbaa !9
  call void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12) %5, float noundef 0.000000e+00, float noundef 0.000000e+00, float noundef %12)
  %13 = call { <2 x float>, float } @_ZN3vclmlILm3ELm3EEENS_12buffer_stackIfXT_EEERKNS_3matIXT_EXT0_EEERKNS1_IfXT0_EEE(ptr noundef nonnull align 4 dereferenceable(36) %10, ptr noundef nonnull align 4 dereferenceable(12) %5)
  store { <2 x float>, float } %13, ptr %6, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %4, ptr align 8 %6, i64 12, i1 false)
  %14 = getelementptr inbounds %"struct.vcl::camera_scene", ptr %9, i32 0, i32 1
  %15 = call { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12) %4, ptr noundef nonnull align 4 dereferenceable(12) %14)
  store { <2 x float>, float } %15, ptr %7, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %2, ptr align 8 %7, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 12, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %8, ptr align 4 %2, i64 12, i1 false)
  %16 = load { <2 x float>, float }, ptr %8, align 8
  ret { <2 x float>, float } %16
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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, !11, i64 0}
!10 = !{!"_ZTSN3vcl12camera_sceneE", !11, i64 0, !12, i64 4, !13, i64 16, !14, i64 52, !15, i64 68, !16, i64 72}
!11 = !{!"float", !7, i64 0}
!12 = !{!"_ZTSN3vcl12buffer_stackIfLm3EEE", !11, i64 0, !11, i64 4, !11, i64 8}
!13 = !{!"_ZTSN3vcl3matILm3ELm3EEE", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32}
!14 = !{!"_ZTSN3vcl21perspective_structureE", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12}
!15 = !{!"_ZTSN3vcl19camera_control_typeE", !7, i64 0}
!16 = !{!"_ZTSN3vcl12buffer_stackIfLm2EEE", !11, i64 0, !11, i64 4}


; 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.vcl::buffer_stack" = 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

declare void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12), float noundef, float noundef, float noundef) unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmlILm3ELm3EEENS_12buffer_stackIfXT_EEERKNS_3matIXT_EXT0_EEERKNS1_IfXT0_EEE(ptr noundef nonnull align 4 dereferenceable(36), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_ZNK3vcl12camera_scene15camera_positionEv(ptr noundef nonnull align 4 dereferenceable(80) %0) local_unnamed_addr #3 align 2 {
  %2 = alloca %"struct.vcl::buffer_stack", align 8
  %3 = alloca %"struct.vcl::buffer_stack", align 4
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %2) #4
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #4
  %5 = load float, ptr %0, align 4, !tbaa !5
  call void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12) %3, float noundef 0.000000e+00, float noundef 0.000000e+00, float noundef %5)
  %6 = call { <2 x float>, float } @_ZN3vclmlILm3ELm3EEENS_12buffer_stackIfXT_EEERKNS_3matIXT_EXT0_EEERKNS1_IfXT0_EEE(ptr noundef nonnull align 4 dereferenceable(36) %4, ptr noundef nonnull align 4 dereferenceable(12) %3)
  %.fca.0.extract3 = extractvalue { <2 x float>, float } %6, 0
  %.fca.1.extract4 = extractvalue { <2 x float>, float } %6, 1
  store <2 x float> %.fca.0.extract3, ptr %2, align 8
  %.sroa.26.0..sroa_idx = getelementptr inbounds i8, ptr %2, i64 8
  store float %.fca.1.extract4, ptr %.sroa.26.0..sroa_idx, align 8
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = call { <2 x float>, float } @_ZN3vclmiIfLm3EEENS_12buffer_stackIT_XT0_EEERKS3_S5_(ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 4 dereferenceable(12) %7)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %2) #4
  ret { <2 x float>, float } %8
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 #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 = { 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 = !{!"_ZTSN3vcl12camera_sceneE", !7, i64 0, !10, i64 4, !11, i64 16, !12, i64 52, !13, i64 68, !14, i64 72}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN3vcl12buffer_stackIfLm3EEE", !7, i64 0, !7, i64 4, !7, i64 8}
!11 = !{!"_ZTSN3vcl3matILm3ELm3EEE", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32}
!12 = !{!"_ZTSN3vcl21perspective_structureE", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12}
!13 = !{!"_ZTSN3vcl19camera_control_typeE", !8, i64 0}
!14 = !{!"_ZTSN3vcl12buffer_stackIfLm2EEE", !7, i64 0, !7, i64 4}


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