; LLVM IR from Lut1n/ImpGears :: src/ImpGears/Core/Matrix3.ll (ZN3imp7Matrix3mIERKS0_)

; 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::Matrix" = type <{ %"class.imp::Object", [9 x float], [4 x i8] }>
%"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: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(60) ptr @_ZN3imp7Matrix3mIERKS0_(ptr noundef nonnull align 8 dereferenceable(60) %0, ptr noundef nonnull align 8 dereferenceable(60) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %7

7:                                                ; preds = %24, %2
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = icmp slt i32 %8, 9
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  br label %27

11:                                               ; preds = %7
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %"class.imp::Matrix", ptr %12, i32 0, i32 1
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [9 x float], ptr %13, i64 0, i64 %15
  %17 = load float, ptr %16, align 4, !tbaa !11
  %18 = getelementptr inbounds %"class.imp::Matrix", ptr %6, i32 0, i32 1
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [9 x float], ptr %18, i64 0, i64 %20
  %22 = load float, ptr %21, align 4, !tbaa !11
  %23 = fsub float %22, %17
  store float %23, ptr %21, align 4, !tbaa !11
  br label %24

24:                                               ; preds = %11
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %5, align 4, !tbaa !9
  br label %7, !llvm.loop !13

27:                                               ; preds = %10
  ret ptr %6
}

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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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: readwrite) uwtable
define dso_local noundef nonnull align 8 dereferenceable(60) ptr @_ZN3imp7Matrix3mIERKS0_(ptr noundef nonnull returned align 8 dereferenceable(60) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(60) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %1, i64 24
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load float, ptr %3, align 8, !tbaa !5
  %6 = load float, ptr %4, align 8, !tbaa !5
  %7 = fsub float %6, %5
  store float %7, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %1, i64 28
  %9 = load float, ptr %8, align 4, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %0, i64 28
  %11 = load float, ptr %10, align 4, !tbaa !5
  %12 = fsub float %11, %9
  store float %12, ptr %10, align 4, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %1, i64 32
  %14 = load float, ptr %13, align 8, !tbaa !5
  %15 = getelementptr inbounds i8, ptr %0, i64 32
  %16 = load float, ptr %15, align 8, !tbaa !5
  %17 = fsub float %16, %14
  store float %17, ptr %15, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %1, i64 36
  %19 = load float, ptr %18, align 4, !tbaa !5
  %20 = getelementptr inbounds i8, ptr %0, i64 36
  %21 = load float, ptr %20, align 4, !tbaa !5
  %22 = fsub float %21, %19
  store float %22, ptr %20, align 4, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %1, i64 40
  %24 = load float, ptr %23, align 8, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %0, i64 40
  %26 = load float, ptr %25, align 8, !tbaa !5
  %27 = fsub float %26, %24
  store float %27, ptr %25, align 8, !tbaa !5
  %28 = getelementptr inbounds i8, ptr %1, i64 44
  %29 = load float, ptr %28, align 4, !tbaa !5
  %30 = getelementptr inbounds i8, ptr %0, i64 44
  %31 = load float, ptr %30, align 4, !tbaa !5
  %32 = fsub float %31, %29
  store float %32, ptr %30, align 4, !tbaa !5
  %33 = getelementptr inbounds i8, ptr %1, i64 48
  %34 = load float, ptr %33, align 8, !tbaa !5
  %35 = getelementptr inbounds i8, ptr %0, i64 48
  %36 = load float, ptr %35, align 8, !tbaa !5
  %37 = fsub float %36, %34
  store float %37, ptr %35, align 8, !tbaa !5
  %38 = getelementptr inbounds i8, ptr %1, i64 52
  %39 = load float, ptr %38, align 4, !tbaa !5
  %40 = getelementptr inbounds i8, ptr %0, i64 52
  %41 = load float, ptr %40, align 4, !tbaa !5
  %42 = fsub float %41, %39
  store float %42, ptr %40, align 4, !tbaa !5
  %43 = getelementptr inbounds i8, ptr %1, i64 56
  %44 = load float, ptr %43, align 8, !tbaa !5
  %45 = getelementptr inbounds i8, ptr %0, i64 56
  %46 = load float, ptr %45, align 8, !tbaa !5
  %47 = fsub float %46, %44
  store float %47, ptr %45, align 8, !tbaa !5
  ret ptr %0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass