; LLVM IR from goldest-star/seawave-animation :: src/vcl/math/mat/mat4/mat4.ll (ZN3vcl3matILm4ELm4EEC2Ev)

; 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::mat" = type { float, float, float, float, float, float, float, float, float, float, float, float, float, float, float, float }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN3vcl3matILm4ELm4EEC2Ev(ptr noundef nonnull align 4 dereferenceable(64) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 0
  store float 0.000000e+00, ptr %4, align 4, !tbaa !9
  %5 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 1
  store float 0.000000e+00, ptr %5, align 4, !tbaa !12
  %6 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 2
  store float 0.000000e+00, ptr %6, align 4, !tbaa !13
  %7 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 3
  store float 0.000000e+00, ptr %7, align 4, !tbaa !14
  %8 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 4
  store float 0.000000e+00, ptr %8, align 4, !tbaa !15
  %9 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 5
  store float 0.000000e+00, ptr %9, align 4, !tbaa !16
  %10 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 6
  store float 0.000000e+00, ptr %10, align 4, !tbaa !17
  %11 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 7
  store float 0.000000e+00, ptr %11, align 4, !tbaa !18
  %12 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 8
  store float 0.000000e+00, ptr %12, align 4, !tbaa !19
  %13 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 9
  store float 0.000000e+00, ptr %13, align 4, !tbaa !20
  %14 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 10
  store float 0.000000e+00, ptr %14, align 4, !tbaa !21
  %15 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 11
  store float 0.000000e+00, ptr %15, align 4, !tbaa !22
  %16 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 12
  store float 0.000000e+00, ptr %16, align 4, !tbaa !23
  %17 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 13
  store float 0.000000e+00, ptr %17, align 4, !tbaa !24
  %18 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 14
  store float 0.000000e+00, ptr %18, align 4, !tbaa !25
  %19 = getelementptr inbounds %"struct.vcl::mat", ptr %3, i32 0, i32 15
  store float 0.000000e+00, ptr %19, align 4, !tbaa !26
  ret void
}

attributes #0 = { 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" }

!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 = !{!"_ZTSN3vcl3matILm4ELm4EEE", !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, !11, i64 36, !11, i64 40, !11, i64 44, !11, i64 48, !11, i64 52, !11, i64 56, !11, i64 60}
!11 = !{!"float", !7, i64 0}
!12 = !{!10, !11, i64 4}
!13 = !{!10, !11, i64 8}
!14 = !{!10, !11, i64 12}
!15 = !{!10, !11, i64 16}
!16 = !{!10, !11, i64 20}
!17 = !{!10, !11, i64 24}
!18 = !{!10, !11, i64 28}
!19 = !{!10, !11, i64 32}
!20 = !{!10, !11, i64 36}
!21 = !{!10, !11, i64 40}
!22 = !{!10, !11, i64 44}
!23 = !{!10, !11, i64 48}
!24 = !{!10, !11, i64 52}
!25 = !{!10, !11, i64 56}
!26 = !{!10, !11, i64 60}


; 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN3vcl3matILm4ELm4EEC2Ev(ptr nocapture noundef nonnull writeonly align 4 dereferenceable(64) %0) unnamed_addr #0 align 2 {
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(64) %0, i8 0, i64 64, i1 false)
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

!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: EarlyCSEPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass