; LLVM IR from szxp/3d-soft-engine :: src/Mat.ll (ZN2g328createPerspectiveFovLHMatrixEffff)

; 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.g3::Mat" = type { [16 x float] }
%"class.std::initializer_list" = type { ptr, i64 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2g33MatILm4EEC2ESt16initializer_listIfE(ptr noundef nonnull align 4 dereferenceable(64), ptr, i64) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2g328createPerspectiveFovLHMatrixEffff(ptr dead_on_unwind noalias writable sret(%"class.g3::Mat") align 4 %0, float noundef %1, float noundef %2, float noundef %3, float noundef %4) #2 {
  %6 = alloca ptr, align 8
  %7 = alloca float, align 4
  %8 = alloca float, align 4
  %9 = alloca float, align 4
  %10 = alloca float, align 4
  %11 = alloca float, align 4
  %12 = alloca float, align 4
  %13 = alloca %"class.std::initializer_list", align 8
  %14 = alloca [16 x float], align 4
  store ptr %0, ptr %6, align 8
  store float %1, ptr %7, align 4, !tbaa !5
  store float %2, ptr %8, align 4, !tbaa !5
  store float %3, ptr %9, align 4, !tbaa !5
  store float %4, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %15 = load float, ptr %7, align 4, !tbaa !5
  %16 = fdiv float %15, 2.000000e+00
  %17 = fsub float 0x3FF921FB60000000, %16
  %18 = call noundef float @_ZSt3tanf(float noundef %17)
  store float %18, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %19 = load float, ptr %11, align 4, !tbaa !5
  %20 = load float, ptr %8, align 4, !tbaa !5
  %21 = fmul float %19, %20
  store float %21, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %14) #4
  %22 = load float, ptr %12, align 4, !tbaa !5
  store float %22, ptr %14, align 4, !tbaa !5
  %23 = getelementptr inbounds float, ptr %14, i64 1
  store float 0.000000e+00, ptr %23, align 4, !tbaa !5
  %24 = getelementptr inbounds float, ptr %14, i64 2
  store float 0.000000e+00, ptr %24, align 4, !tbaa !5
  %25 = getelementptr inbounds float, ptr %14, i64 3
  store float 0.000000e+00, ptr %25, align 4, !tbaa !5
  %26 = getelementptr inbounds float, ptr %14, i64 4
  store float 0.000000e+00, ptr %26, align 4, !tbaa !5
  %27 = getelementptr inbounds float, ptr %14, i64 5
  %28 = load float, ptr %11, align 4, !tbaa !5
  store float %28, ptr %27, align 4, !tbaa !5
  %29 = getelementptr inbounds float, ptr %14, i64 6
  store float 0.000000e+00, ptr %29, align 4, !tbaa !5
  %30 = getelementptr inbounds float, ptr %14, i64 7
  store float 0.000000e+00, ptr %30, align 4, !tbaa !5
  %31 = getelementptr inbounds float, ptr %14, i64 8
  store float 0.000000e+00, ptr %31, align 4, !tbaa !5
  %32 = getelementptr inbounds float, ptr %14, i64 9
  store float 0.000000e+00, ptr %32, align 4, !tbaa !5
  %33 = getelementptr inbounds float, ptr %14, i64 10
  %34 = load float, ptr %10, align 4, !tbaa !5
  %35 = load float, ptr %10, align 4, !tbaa !5
  %36 = load float, ptr %9, align 4, !tbaa !5
  %37 = fsub float %35, %36
  %38 = fdiv float %34, %37
  store float %38, ptr %33, align 4, !tbaa !5
  %39 = getelementptr inbounds float, ptr %14, i64 11
  store float 1.000000e+00, ptr %39, align 4, !tbaa !5
  %40 = getelementptr inbounds float, ptr %14, i64 12
  store float 0.000000e+00, ptr %40, align 4, !tbaa !5
  %41 = getelementptr inbounds float, ptr %14, i64 13
  store float 0.000000e+00, ptr %41, align 4, !tbaa !5
  %42 = getelementptr inbounds float, ptr %14, i64 14
  %43 = load float, ptr %9, align 4, !tbaa !5
  %44 = fneg float %43
  %45 = load float, ptr %10, align 4, !tbaa !5
  %46 = fmul float %44, %45
  %47 = load float, ptr %10, align 4, !tbaa !5
  %48 = load float, ptr %9, align 4, !tbaa !5
  %49 = fsub float %47, %48
  %50 = fdiv float %46, %49
  store float %50, ptr %42, align 4, !tbaa !5
  %51 = getelementptr inbounds float, ptr %14, i64 15
  store float 0.000000e+00, ptr %51, align 4, !tbaa !5
  %52 = getelementptr inbounds %"class.std::initializer_list", ptr %13, i32 0, i32 0
  store ptr %14, ptr %52, align 8, !tbaa !9
  %53 = getelementptr inbounds %"class.std::initializer_list", ptr %13, i32 0, i32 1
  store i64 16, ptr %53, align 8, !tbaa !13
  %54 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 0
  %55 = load ptr, ptr %54, align 8
  %56 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 1
  %57 = load i64, ptr %56, align 8
  call void @_ZN2g33MatILm4EEC2ESt16initializer_listIfE(ptr noundef nonnull align 4 dereferenceable(64) %0, ptr %55, i64 %57)
  call void @llvm.lifetime.end.p0(i64 64, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3tanf(float noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #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"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTSSt16initializer_listIfE", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !12, i64 8}


; 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.g3::Mat" = type { [16 x 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 nounwind uwtable
declare dso_local void @_ZN2g33MatILm4EEC2ESt16initializer_listIfE(ptr noundef nonnull align 4 dereferenceable(64), ptr, i64) unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN2g328createPerspectiveFovLHMatrixEffff(ptr dead_on_unwind noalias writable sret(%"class.g3::Mat") align 4 %0, float noundef %1, float noundef %2, float noundef %3, float noundef %4) local_unnamed_addr #1 {
  %6 = alloca [16 x float], align 4
  %7 = fmul float %1, 5.000000e-01
  %8 = fsub float 0x3FF921FB60000000, %7
  %9 = tail call noundef float @_ZSt3tanf(float noundef %8)
  %10 = fmul float %9, %2
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %6) #4
  store float %10, ptr %6, align 4, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %6, i64 4
  %12 = getelementptr inbounds i8, ptr %6, i64 20
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %11, i8 0, i64 16, i1 false)
  store float %9, ptr %12, align 4, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %6, i64 24
  %14 = getelementptr inbounds i8, ptr %6, i64 40
  %15 = fsub float %4, %3
  %16 = fdiv float %4, %15
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %13, i8 0, i64 16, i1 false)
  store float %16, ptr %14, align 4, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %6, i64 44
  store <2 x float> <float 1.000000e+00, float 0.000000e+00>, ptr %17, align 4, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %6, i64 52
  store float 0.000000e+00, ptr %18, align 4, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %6, i64 56
  %20 = fneg float %3
  %21 = fmul float %20, %4
  %22 = fdiv float %21, %15
  store float %22, ptr %19, align 4, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %6, i64 60
  store float 0.000000e+00, ptr %23, align 4, !tbaa !5
  call void @_ZN2g33MatILm4EEC2ESt16initializer_listIfE(ptr noundef nonnull align 4 dereferenceable(64) %0, ptr nonnull %6, i64 16)
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %6) #4
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3tanf(float noundef) local_unnamed_addr #2

; 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 = { 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 = { 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 #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,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,TailCallElimPass