; LLVM IR from ashishzero/karma :: src/modules/core/lin_maths.ll (Z10mat4_rightRK4Mat4)

; 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"

%union.Vec3 = type { %struct.anon }
%struct.anon = type { float, float, float }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local { <2 x float>, float } @_Z10mat4_rightRK4Mat4(ptr noundef nonnull align 4 dereferenceable(64) %0) #1 {
  %2 = alloca %union.Vec3, align 4
  %3 = alloca ptr, align 8
  %4 = alloca { <2 x float>, float }, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds [4 x [4 x float]], ptr %5, i64 0, i64 0
  %7 = getelementptr inbounds [4 x float], ptr %6, i64 0, i64 0
  %8 = load float, ptr %7, align 4, !tbaa !9
  %9 = getelementptr inbounds %struct.anon, ptr %2, i32 0, i32 0
  store float %8, ptr %9, align 4, !tbaa !9
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds [4 x [4 x float]], ptr %10, i64 0, i64 1
  %12 = getelementptr inbounds [4 x float], ptr %11, i64 0, i64 0
  %13 = load float, ptr %12, align 4, !tbaa !9
  %14 = getelementptr inbounds %struct.anon, ptr %2, i32 0, i32 1
  store float %13, ptr %14, align 4, !tbaa !9
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds [4 x [4 x float]], ptr %15, i64 0, i64 2
  %17 = getelementptr inbounds [4 x float], ptr %16, i64 0, i64 0
  %18 = load float, ptr %17, align 4, !tbaa !9
  %19 = getelementptr inbounds %struct.anon, ptr %2, i32 0, i32 2
  store float %18, ptr %19, align 4, !tbaa !9
  %20 = getelementptr inbounds %union.Vec3, ptr %2, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %4, ptr align 4 %20, i64 12, i1 false)
  %21 = load { <2 x float>, float }, ptr %4, align 8
  ret { <2 x float>, float } %21
}

attributes #0 = { nocallback nofree 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" }

!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 = !{!7, !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: read) uwtable
define dso_local { <2 x float>, float } @_Z10mat4_rightRK4Mat4(ptr nocapture noundef nonnull readonly align 4 dereferenceable(64) %0) local_unnamed_addr #0 {
  %2 = load <4 x float>, ptr %0, align 4
  %.sroa.03.0.vec.insert = shufflevector <4 x float> %2, <4 x float> poison, <2 x i32> <i32 0, i32 poison>
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load float, ptr %3, align 4, !tbaa !5
  %.sroa.03.4.vec.insert = insertelement <2 x float> %.sroa.03.0.vec.insert, float %4, i64 1
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  %6 = load float, ptr %5, align 4, !tbaa !5
  %.fca.0.insert = insertvalue { <2 x float>, float } poison, <2 x float> %.sroa.03.4.vec.insert, 0
  %.fca.1.insert = insertvalue { <2 x float>, float } %.fca.0.insert, float %6, 1
  ret { <2 x float>, float } %.fca.1.insert
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,VectorCombinePass