; LLVM IR from DreamingInfraviolet/EstimateImageMatting :: Primatte/matrixd.ll (ZN4math3tmp5_mat45resetEv)

; 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"

%"class.math::tmp::_mat4" = type { [4 x [4 x float]] }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4math3tmp5_mat45resetEv(ptr noundef nonnull align 4 dereferenceable(64) %0) #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 %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %5 = getelementptr inbounds [4 x [4 x float]], ptr %4, i64 0, i64 0
  %6 = getelementptr inbounds [4 x float], ptr %5, i64 0, i64 0
  store float 1.000000e+00, ptr %6, align 4, !tbaa !9
  %7 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %8 = getelementptr inbounds [4 x [4 x float]], ptr %7, i64 0, i64 0
  %9 = getelementptr inbounds [4 x float], ptr %8, i64 0, i64 1
  store float 0.000000e+00, ptr %9, align 4, !tbaa !9
  %10 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %11 = getelementptr inbounds [4 x [4 x float]], ptr %10, i64 0, i64 0
  %12 = getelementptr inbounds [4 x float], ptr %11, i64 0, i64 2
  store float 0.000000e+00, ptr %12, align 4, !tbaa !9
  %13 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %14 = getelementptr inbounds [4 x [4 x float]], ptr %13, i64 0, i64 0
  %15 = getelementptr inbounds [4 x float], ptr %14, i64 0, i64 3
  store float 0.000000e+00, ptr %15, align 4, !tbaa !9
  %16 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %17 = getelementptr inbounds [4 x [4 x float]], ptr %16, i64 0, i64 1
  %18 = getelementptr inbounds [4 x float], ptr %17, i64 0, i64 0
  store float 0.000000e+00, ptr %18, align 4, !tbaa !9
  %19 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %20 = getelementptr inbounds [4 x [4 x float]], ptr %19, i64 0, i64 1
  %21 = getelementptr inbounds [4 x float], ptr %20, i64 0, i64 1
  store float 1.000000e+00, ptr %21, align 4, !tbaa !9
  %22 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %23 = getelementptr inbounds [4 x [4 x float]], ptr %22, i64 0, i64 1
  %24 = getelementptr inbounds [4 x float], ptr %23, i64 0, i64 2
  store float 0.000000e+00, ptr %24, align 4, !tbaa !9
  %25 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %26 = getelementptr inbounds [4 x [4 x float]], ptr %25, i64 0, i64 1
  %27 = getelementptr inbounds [4 x float], ptr %26, i64 0, i64 3
  store float 0.000000e+00, ptr %27, align 4, !tbaa !9
  %28 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %29 = getelementptr inbounds [4 x [4 x float]], ptr %28, i64 0, i64 2
  %30 = getelementptr inbounds [4 x float], ptr %29, i64 0, i64 0
  store float 0.000000e+00, ptr %30, align 4, !tbaa !9
  %31 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %32 = getelementptr inbounds [4 x [4 x float]], ptr %31, i64 0, i64 2
  %33 = getelementptr inbounds [4 x float], ptr %32, i64 0, i64 1
  store float 0.000000e+00, ptr %33, align 4, !tbaa !9
  %34 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %35 = getelementptr inbounds [4 x [4 x float]], ptr %34, i64 0, i64 2
  %36 = getelementptr inbounds [4 x float], ptr %35, i64 0, i64 2
  store float 1.000000e+00, ptr %36, align 4, !tbaa !9
  %37 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %38 = getelementptr inbounds [4 x [4 x float]], ptr %37, i64 0, i64 2
  %39 = getelementptr inbounds [4 x float], ptr %38, i64 0, i64 3
  store float 0.000000e+00, ptr %39, align 4, !tbaa !9
  %40 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %41 = getelementptr inbounds [4 x [4 x float]], ptr %40, i64 0, i64 3
  %42 = getelementptr inbounds [4 x float], ptr %41, i64 0, i64 0
  store float 0.000000e+00, ptr %42, align 4, !tbaa !9
  %43 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %44 = getelementptr inbounds [4 x [4 x float]], ptr %43, i64 0, i64 3
  %45 = getelementptr inbounds [4 x float], ptr %44, i64 0, i64 1
  store float 0.000000e+00, ptr %45, align 4, !tbaa !9
  %46 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %47 = getelementptr inbounds [4 x [4 x float]], ptr %46, i64 0, i64 3
  %48 = getelementptr inbounds [4 x float], ptr %47, i64 0, i64 2
  store float 0.000000e+00, ptr %48, align 4, !tbaa !9
  %49 = getelementptr inbounds %"class.math::tmp::_mat4", ptr %3, i32 0, i32 0
  %50 = getelementptr inbounds [4 x [4 x float]], ptr %49, i64 0, i64 3
  %51 = getelementptr inbounds [4 x float], ptr %50, i64 0, i64 3
  store float 1.000000e+00, ptr %51, align 4, !tbaa !9
  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, !10, i64 0}
!10 = !{!"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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN4math3tmp5_mat45resetEv(ptr nocapture noundef nonnull writeonly align 4 dereferenceable(64) %0) local_unnamed_addr #0 align 2 {
  store float 1.000000e+00, ptr %0, align 4, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 4
  %3 = getelementptr inbounds i8, ptr %0, i64 20
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %2, i8 0, i64 16, i1 false)
  store float 1.000000e+00, ptr %3, align 4, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %4, i8 0, i64 16, i1 false)
  store float 1.000000e+00, ptr %5, align 4, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 44
  %7 = getelementptr inbounds i8, ptr %0, i64 60
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  store float 1.000000e+00, ptr %7, align 4, !tbaa !5
  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)"}
!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,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass