; LLVM IR from BrunoLevy/learn-fpga :: FemtoRV/FIRMWARE/CPP_EXAMPLES/tinyrt_cpp.ll (Z7reflectRK3vecILm3EfES2_)

; 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.vec = type { float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_Z7reflectRK3vecILm3EfES2_(ptr noundef nonnull align 4 dereferenceable(12) %0, ptr noundef nonnull align 4 dereferenceable(12) %1) #0 {
  %3 = alloca %struct.vec, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %struct.vec, align 4
  %7 = alloca %struct.vec, align 4
  %8 = alloca %struct.vec, align 4
  %9 = alloca float, align 4
  %10 = alloca { <2 x float>, float }, align 8
  %11 = alloca float, align 4
  %12 = alloca { <2 x float>, float }, align 8
  %13 = alloca { <2 x float>, float }, align 4
  %14 = alloca { <2 x float>, float }, align 8
  %15 = alloca { <2 x float>, float }, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %16, i64 12, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.start.p0(i64 12, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #5
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store float 2.000000e+00, ptr %9, align 4, !tbaa !10
  %18 = call { <2 x float>, float } @_ZmlILm3EffE3vecIXT_ET0_ERKS2_RKT1_(ptr noundef nonnull align 4 dereferenceable(12) %17, ptr noundef nonnull align 4 dereferenceable(4) %9)
  store { <2 x float>, float } %18, ptr %10, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 8 %10, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call noundef float @_ZmlILm3EfET0_RK3vecIXT_ES0_ES4_(ptr noundef nonnull align 4 dereferenceable(12) %19, ptr noundef nonnull align 4 dereferenceable(12) %20)
  store float %21, ptr %11, align 4, !tbaa !10
  %22 = call { <2 x float>, float } @_ZmlILm3EffE3vecIXT_ET0_ERKS2_RKT1_(ptr noundef nonnull align 4 dereferenceable(12) %8, ptr noundef nonnull align 4 dereferenceable(4) %11)
  store { <2 x float>, float } %22, ptr %12, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 8 %12, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %6, i64 12, i1 false)
  %23 = getelementptr inbounds { <2 x float>, float }, ptr %13, i32 0, i32 0
  %24 = load <2 x float>, ptr %23, align 4
  %25 = getelementptr inbounds { <2 x float>, float }, ptr %13, i32 0, i32 1
  %26 = load float, ptr %25, align 4
  %27 = call { <2 x float>, float } @_ZmiILm3EfE3vecIXT_ET0_ES2_RKS2_(<2 x float> %24, float %26, ptr noundef nonnull align 4 dereferenceable(12) %7)
  store { <2 x float>, float } %27, ptr %14, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %3, ptr align 8 %14, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %7) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %15, ptr align 4 %3, i64 12, i1 false)
  %28 = load { <2 x float>, float }, ptr %15, align 8
  ret { <2 x float>, float } %28
}

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZmiILm3EfE3vecIXT_ET0_ES2_RKS2_(<2 x float>, float, ptr noundef nonnull align 4 dereferenceable(12)) #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.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZmlILm3EffE3vecIXT_ET0_ERKS2_RKT1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZmlILm3EfET0_RK3vecIXT_ES0_ES4_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 4, !10, i64 4, i64 4, !10, i64 8, i64 4, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"float", !7, i64 0}


; 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.vec = type { float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_Z7reflectRK3vecILm3EfES2_(ptr noundef nonnull align 4 dereferenceable(12) %0, ptr noundef nonnull align 4 dereferenceable(12) %1) local_unnamed_addr #0 {
  %3 = alloca %struct.vec, align 8
  %4 = alloca %struct.vec, align 8
  %5 = alloca float, align 4
  %6 = alloca float, align 4
  %.sroa.013.0.copyload = load <2 x float>, ptr %0, align 4
  %.sroa.214.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 8
  %.sroa.214.0.copyload = load float, ptr %.sroa.214.0..sroa_idx, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store float 2.000000e+00, ptr %5, align 4, !tbaa !5
  %7 = call { <2 x float>, float } @_ZmlILm3EffE3vecIXT_ET0_ERKS2_RKT1_(ptr noundef nonnull align 4 dereferenceable(12) %1, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %.fca.0.extract9 = extractvalue { <2 x float>, float } %7, 0
  %.fca.1.extract10 = extractvalue { <2 x float>, float } %7, 1
  store <2 x float> %.fca.0.extract9, ptr %4, align 8
  %.sroa.212.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  store float %.fca.1.extract10, ptr %.sroa.212.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %8 = call noundef float @_ZmlILm3EfET0_RK3vecIXT_ES0_ES4_(ptr noundef nonnull align 4 dereferenceable(12) %0, ptr noundef nonnull align 4 dereferenceable(12) %1)
  store float %8, ptr %6, align 4, !tbaa !5
  %9 = call { <2 x float>, float } @_ZmlILm3EffE3vecIXT_ET0_ERKS2_RKT1_(ptr noundef nonnull align 4 dereferenceable(12) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %.fca.0.extract5 = extractvalue { <2 x float>, float } %9, 0
  %.fca.1.extract6 = extractvalue { <2 x float>, float } %9, 1
  store <2 x float> %.fca.0.extract5, ptr %3, align 8
  %.sroa.28.0..sroa_idx = getelementptr inbounds i8, ptr %3, i64 8
  store float %.fca.1.extract6, ptr %.sroa.28.0..sroa_idx, align 8
  %10 = call { <2 x float>, float } @_ZmiILm3EfE3vecIXT_ET0_ES2_RKS2_(<2 x float> %.sroa.013.0.copyload, float %.sroa.214.0.copyload, ptr noundef nonnull align 4 dereferenceable(12) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #4
  ret { <2 x float>, float } %10
}

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZmiILm3EfE3vecIXT_ET0_ES2_RKS2_(<2 x float>, float, ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZmlILm3EffE3vecIXT_ET0_ERKS2_RKT1_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_ZmlILm3EfET0_RK3vecIXT_ES0_ES4_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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