; LLVM IR from Lut1n/ImpGears :: src/ImpGears/Core/Matrix4.ll (ZN3imp7Matrix49rotationZEf)

; 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.imp::Matrix4" = type { %"class.imp::Matrix" }
%"class.imp::Matrix" = type { %"class.imp::Object", [16 x float] }
%"class.imp::Object" = type { ptr, %"class.std::shared_ptr" }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }

; 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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3cosf(float noundef) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3sinf(float noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3imp7Matrix49rotationZEf(ptr dead_on_unwind noalias writable sret(%"class.imp::Matrix4") align 8 %0, float noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  %5 = alloca float, align 4
  %6 = alloca float, align 4
  %7 = alloca [16 x float], align 16
  store ptr %0, ptr %3, align 8
  store float %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %8 = load float, ptr %4, align 4, !tbaa !5
  %9 = call noundef float @_ZSt3cosf(float noundef %8)
  store float %9, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %10 = load float, ptr %4, align 4, !tbaa !5
  %11 = call noundef float @_ZSt3sinf(float noundef %10)
  store float %11, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %7) #3
  %12 = load float, ptr %5, align 4, !tbaa !5
  store float %12, ptr %7, align 4, !tbaa !5
  %13 = getelementptr inbounds float, ptr %7, i64 1
  %14 = load float, ptr %6, align 4, !tbaa !5
  %15 = fneg float %14
  store float %15, ptr %13, align 4, !tbaa !5
  %16 = getelementptr inbounds float, ptr %7, i64 2
  store float 0.000000e+00, ptr %16, align 4, !tbaa !5
  %17 = getelementptr inbounds float, ptr %7, i64 3
  store float 0.000000e+00, ptr %17, align 4, !tbaa !5
  %18 = getelementptr inbounds float, ptr %7, i64 4
  %19 = load float, ptr %6, align 4, !tbaa !5
  store float %19, ptr %18, align 4, !tbaa !5
  %20 = getelementptr inbounds float, ptr %7, i64 5
  %21 = load float, ptr %5, align 4, !tbaa !5
  store float %21, ptr %20, align 4, !tbaa !5
  %22 = getelementptr inbounds float, ptr %7, i64 6
  store float 0.000000e+00, ptr %22, align 4, !tbaa !5
  %23 = getelementptr inbounds float, ptr %7, i64 7
  store float 0.000000e+00, ptr %23, align 4, !tbaa !5
  %24 = getelementptr inbounds float, ptr %7, i64 8
  store float 0.000000e+00, ptr %24, align 4, !tbaa !5
  %25 = getelementptr inbounds float, ptr %7, i64 9
  store float 0.000000e+00, ptr %25, align 4, !tbaa !5
  %26 = getelementptr inbounds float, ptr %7, i64 10
  store float 1.000000e+00, ptr %26, align 4, !tbaa !5
  %27 = getelementptr inbounds float, ptr %7, i64 11
  store float 0.000000e+00, ptr %27, align 4, !tbaa !5
  %28 = getelementptr inbounds float, ptr %7, i64 12
  store float 0.000000e+00, ptr %28, align 4, !tbaa !5
  %29 = getelementptr inbounds float, ptr %7, i64 13
  store float 0.000000e+00, ptr %29, align 4, !tbaa !5
  %30 = getelementptr inbounds float, ptr %7, i64 14
  store float 0.000000e+00, ptr %30, align 4, !tbaa !5
  %31 = getelementptr inbounds float, ptr %7, i64 15
  store float 1.000000e+00, ptr %31, align 4, !tbaa !5
  %32 = getelementptr inbounds [16 x float], ptr %7, i64 0, i64 0
  call void @_ZN3imp7Matrix4C1EPKfb(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef %32, i1 noundef zeroext true)
  call void @llvm.lifetime.end.p0(i64 64, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret void
}

declare void @_ZN3imp7Matrix4C1EPKfb(ptr, ptr, i1)

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


; 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"

%"class.imp::Matrix4" = type { %"class.imp::Matrix" }
%"class.imp::Matrix" = type { %"class.imp::Object", [16 x float] }
%"class.imp::Object" = type { ptr, %"class.std::shared_ptr" }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }

; 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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3cosf(float noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3sinf(float noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3imp7Matrix49rotationZEf(ptr dead_on_unwind noalias writable sret(%"class.imp::Matrix4") align 8 %0, float noundef %1) local_unnamed_addr #2 align 2 {
  %3 = alloca [16 x float], align 16
  %4 = tail call noundef float @_ZSt3cosf(float noundef %1)
  %5 = tail call noundef float @_ZSt3sinf(float noundef %1)
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #4
  store float %4, ptr %3, align 16, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %3, i64 4
  %7 = fneg float %5
  store float %7, ptr %6, align 4, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %3, i64 8
  store <2 x float> zeroinitializer, ptr %8, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %3, i64 16
  store float %5, ptr %9, align 16, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %3, i64 20
  store float %4, ptr %10, align 4, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %3, i64 24
  %12 = getelementptr inbounds i8, ptr %3, i64 40
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %11, i8 0, i64 16, i1 false)
  store float 1.000000e+00, ptr %12, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %3, i64 44
  %14 = getelementptr inbounds i8, ptr %3, i64 60
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %13, i8 0, i64 16, i1 false)
  store float 1.000000e+00, ptr %14, align 4, !tbaa !5
  call void @_ZN3imp7Matrix4C1EPKfb(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef nonnull %3, i1 noundef zeroext true)
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #4
  ret void
}

declare void @_ZN3imp7Matrix4C1EPKfb(ptr, ptr, i1) local_unnamed_addr

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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: write) }
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,MemCpyOptPass,SLPVectorizerPass,SROAPass,TailCallElimPass