; LLVM IR from amorcomputrum/ExstarNGINE :: src/Utils/Matrix2.ll (ZN6exstar7Matrix2mlES0_)

; 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.exstar::Matrix2" = type { float, float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, <2 x float> } @_ZN6exstar7Matrix2mlES0_(ptr noundef nonnull align 4 dereferenceable(16) %0, <2 x float> %1, <2 x float> %2) #0 align 2 {
  %4 = alloca %"class.exstar::Matrix2", align 4
  %5 = alloca %"class.exstar::Matrix2", align 4
  %6 = alloca ptr, align 8
  %7 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %5, i32 0, i32 0
  store <2 x float> %1, ptr %7, align 4
  %8 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %5, i32 0, i32 1
  store <2 x float> %2, ptr %8, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr %6, align 8
  %10 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 0
  %11 = load float, ptr %10, align 4, !tbaa !9
  %12 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 0
  %13 = load float, ptr %12, align 4, !tbaa !9
  %14 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 1
  %15 = load float, ptr %14, align 4, !tbaa !12
  %16 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 2
  %17 = load float, ptr %16, align 4, !tbaa !13
  %18 = fmul float %15, %17
  %19 = call float @llvm.fmuladd.f32(float %11, float %13, float %18)
  %20 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 0
  %21 = load float, ptr %20, align 4, !tbaa !9
  %22 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 1
  %23 = load float, ptr %22, align 4, !tbaa !12
  %24 = fmul float %21, %23
  %25 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 1
  %26 = load float, ptr %25, align 4, !tbaa !12
  %27 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 1
  %28 = load float, ptr %27, align 4, !tbaa !12
  %29 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 3
  %30 = load float, ptr %29, align 4, !tbaa !14
  %31 = fmul float %28, %30
  %32 = call float @llvm.fmuladd.f32(float %24, float %26, float %31)
  %33 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 2
  %34 = load float, ptr %33, align 4, !tbaa !13
  %35 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 0
  %36 = load float, ptr %35, align 4, !tbaa !9
  %37 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 3
  %38 = load float, ptr %37, align 4, !tbaa !14
  %39 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 2
  %40 = load float, ptr %39, align 4, !tbaa !13
  %41 = fmul float %38, %40
  %42 = call float @llvm.fmuladd.f32(float %34, float %36, float %41)
  %43 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 2
  %44 = load float, ptr %43, align 4, !tbaa !13
  %45 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 1
  %46 = load float, ptr %45, align 4, !tbaa !12
  %47 = getelementptr inbounds %"class.exstar::Matrix2", ptr %9, i32 0, i32 3
  %48 = load float, ptr %47, align 4, !tbaa !14
  %49 = getelementptr inbounds %"class.exstar::Matrix2", ptr %5, i32 0, i32 3
  %50 = load float, ptr %49, align 4, !tbaa !14
  %51 = fmul float %48, %50
  %52 = call float @llvm.fmuladd.f32(float %44, float %46, float %51)
  call void @_ZN6exstar7Matrix2C1Effff(ptr noundef nonnull align 4 dereferenceable(16) %4, float noundef %19, float noundef %32, float noundef %42, float noundef %52)
  %53 = load { <2 x float>, <2 x float> }, ptr %4, align 4
  ret { <2 x float>, <2 x float> } %53
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

declare void @_ZN6exstar7Matrix2C1Effff(ptr, float, float, float, float)

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "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 nosync nounwind speculatable willreturn memory(none) }

!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, !11, i64 0}
!10 = !{!"_ZTSN6exstar7Matrix2E", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12}
!11 = !{!"float", !7, i64 0}
!12 = !{!10, !11, i64 4}
!13 = !{!10, !11, i64 8}
!14 = !{!10, !11, i64 12}


; 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.exstar::Matrix2" = type { float, float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, <2 x float> } @_ZN6exstar7Matrix2mlES0_(ptr nocapture noundef nonnull readonly align 4 dereferenceable(16) %0, <2 x float> %1, <2 x float> %2) local_unnamed_addr #0 align 2 {
  %4 = alloca %"class.exstar::Matrix2", align 8
  %5 = load float, ptr %0, align 4, !tbaa !5
  %.sroa.0.0.vec.extract = extractelement <2 x float> %1, i64 0
  %6 = getelementptr inbounds i8, ptr %0, i64 4
  %7 = load float, ptr %6, align 4, !tbaa !10
  %.sroa.6.8.vec.extract = extractelement <2 x float> %2, i64 0
  %8 = fmul float %.sroa.6.8.vec.extract, %7
  %9 = tail call float @llvm.fmuladd.f32(float %5, float %.sroa.0.0.vec.extract, float %8)
  %.sroa.0.4.vec.extract = extractelement <2 x float> %1, i64 1
  %10 = fmul float %.sroa.0.4.vec.extract, %5
  %.sroa.6.12.vec.extract = extractelement <2 x float> %2, i64 1
  %11 = fmul float %.sroa.6.12.vec.extract, %7
  %12 = tail call float @llvm.fmuladd.f32(float %10, float %.sroa.0.4.vec.extract, float %11)
  %13 = getelementptr inbounds i8, ptr %0, i64 8
  %14 = load float, ptr %13, align 4, !tbaa !11
  %15 = getelementptr inbounds i8, ptr %0, i64 12
  %16 = load float, ptr %15, align 4, !tbaa !12
  %17 = fmul float %.sroa.6.8.vec.extract, %16
  %18 = tail call float @llvm.fmuladd.f32(float %14, float %.sroa.0.0.vec.extract, float %17)
  %19 = fmul float %.sroa.6.12.vec.extract, %16
  %20 = tail call float @llvm.fmuladd.f32(float %14, float %.sroa.0.4.vec.extract, float %19)
  call void @_ZN6exstar7Matrix2C1Effff(ptr noundef nonnull align 4 dereferenceable(16) %4, float noundef %9, float noundef %12, float noundef %18, float noundef %20)
  %.fca.0.load = load <2 x float>, ptr %4, align 8
  %.fca.0.insert = insertvalue { <2 x float>, <2 x float> } poison, <2 x float> %.fca.0.load, 0
  %.fca.1.gep = getelementptr inbounds i8, ptr %4, i64 8
  %.fca.1.load = load <2 x float>, ptr %.fca.1.gep, align 8
  %.fca.1.insert = insertvalue { <2 x float>, <2 x float> } %.fca.0.insert, <2 x float> %.fca.1.load, 1
  ret { <2 x float>, <2 x float> } %.fca.1.insert
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

declare void @_ZN6exstar7Matrix2C1Effff(ptr, float, float, float, float) local_unnamed_addr

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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, !7, i64 0}
!6 = !{!"_ZTSN6exstar7Matrix2E", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 4}
!11 = !{!6, !7, i64 8}
!12 = !{!6, !7, i64 12}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass