; LLVM IR from Stephane-D/SGDK :: src (maths3D)

; 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.Context3D = type { %struct.Vect2D_u16, i16, %struct.Vect3D_f16, i16 }
%struct.Vect2D_u16 = type { i16, i16 }
%struct.Vect3D_f16 = type { i16, i16, i16 }

@context3D = external dso_local global %struct.Context3D, align 2

; Function Attrs: nounwind uwtable
define dso_local void @M3D_setLight(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.Vect3D_f16, ptr %3, i32 0, i32 0
  %5 = load i16, ptr %4, align 2, !tbaa !9
  store i16 %5, ptr getelementptr inbounds (%struct.Context3D, ptr @context3D, i32 0, i32 2), align 2, !tbaa !12
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.Vect3D_f16, ptr %6, i32 0, i32 1
  %8 = load i16, ptr %7, align 2, !tbaa !15
  store i16 %8, ptr getelementptr inbounds (%struct.Vect3D_f16, ptr getelementptr inbounds (%struct.Context3D, ptr @context3D, i32 0, i32 2), i32 0, i32 1), align 2, !tbaa !16
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.Vect3D_f16, ptr %9, i32 0, i32 2
  %11 = load i16, ptr %10, align 2, !tbaa !17
  store i16 %11, ptr getelementptr inbounds (%struct.Vect3D_f16, ptr getelementptr inbounds (%struct.Context3D, ptr @context3D, i32 0, i32 2), i32 0, i32 2), align 2, !tbaa !18
  ret void
}

attributes #0 = { 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/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"", !11, i64 0, !11, i64 2, !11, i64 4}
!11 = !{!"short", !7, i64 0}
!12 = !{!13, !11, i64 6}
!13 = !{!"", !14, i64 0, !11, i64 4, !10, i64 6, !11, i64 12}
!14 = !{!"", !11, i64 0, !11, i64 2}
!15 = !{!10, !11, i64 2}
!16 = !{!13, !11, i64 8}
!17 = !{!10, !11, i64 4}
!18 = !{!13, !11, i64 10}


; 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.Context3D = type { %struct.Vect2D_u16, i16, %struct.Vect3D_f16, i16 }
%struct.Vect2D_u16 = type { i16, i16 }
%struct.Vect3D_f16 = type { i16, i16, i16 }

@context3D = external dso_local local_unnamed_addr global %struct.Context3D, align 2

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write, argmem: read, inaccessiblemem: none) uwtable
define dso_local void @M3D_setLight(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = load <2 x i16>, ptr %0, align 2, !tbaa !5
  store <2 x i16> %2, ptr getelementptr inbounds (i8, ptr @context3D, i64 6), align 2, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 4
  %4 = load i16, ptr %3, align 2, !tbaa !9
  store i16 %4, ptr getelementptr inbounds (i8, ptr @context3D, i64 10), align 2, !tbaa !11
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(write, argmem: read, inaccessiblemem: none) 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 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 4}
!10 = !{!"", !6, i64 0, !6, i64 2, !6, i64 4}
!11 = !{!12, !6, i64 10}
!12 = !{!"", !13, i64 0, !6, i64 4, !10, i64 6, !6, i64 12}
!13 = !{!"", !6, i64 0, !6, i64 2}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass