; LLVM IR from libxsmm/libxsmm :: src (generator_mateltwise_reference_impl)

; 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"

; 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: nounwind uwtable
define dso_local void @libxsmm_zero_bit(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i8, align 1
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = sdiv i32 %12, 8
  store i32 %13, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = srem i32 %14, 8
  store i32 %15, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #2
  store i8 1, ptr %11, align 1, !tbaa !11
  %16 = load i8, ptr %11, align 1, !tbaa !11
  %17 = zext i8 %16 to i32
  %18 = load i32, ptr %10, align 4, !tbaa !9
  %19 = shl i32 %17, %18
  %20 = trunc i32 %19 to i8
  store i8 %20, ptr %11, align 1, !tbaa !11
  %21 = load i8, ptr %11, align 1, !tbaa !11
  %22 = zext i8 %21 to i32
  %23 = xor i32 %22, -1
  %24 = trunc i32 %23 to i8
  store i8 %24, ptr %11, align 1, !tbaa !11
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = load i32, ptr %9, align 4, !tbaa !9
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = load i32, ptr %8, align 4, !tbaa !9
  %29 = sdiv i32 %28, 8
  %30 = mul nsw i32 %27, %29
  %31 = add nsw i32 %26, %30
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds i8, ptr %25, i64 %32
  %34 = load i8, ptr %33, align 1, !tbaa !11
  %35 = zext i8 %34 to i32
  %36 = load i8, ptr %11, align 1, !tbaa !11
  %37 = zext i8 %36 to i32
  %38 = and i32 %35, %37
  %39 = trunc i32 %38 to i8
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = load i32, ptr %9, align 4, !tbaa !9
  %42 = load i32, ptr %7, align 4, !tbaa !9
  %43 = load i32, ptr %8, align 4, !tbaa !9
  %44 = sdiv i32 %43, 8
  %45 = mul nsw i32 %42, %44
  %46 = add nsw i32 %41, %45
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds i8, ptr %40, i64 %47
  store i8 %39, ptr %48, align 1, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!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: readwrite) uwtable
define dso_local void @libxsmm_zero_bit(ptr nocapture noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = sdiv i32 %1, 8
  %6 = and i32 %1, 7
  %7 = shl nuw nsw i32 1, %6
  %8 = sdiv i32 %3, 8
  %9 = mul nsw i32 %8, %2
  %10 = add nsw i32 %9, %5
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds i8, ptr %0, i64 %11
  %13 = load i8, ptr %12, align 1, !tbaa !5
  %14 = trunc nuw i32 %7 to i8
  %15 = xor i8 %14, -1
  %16 = and i8 %13, %15
  store i8 %16, ptr %12, align 1, !tbaa !5
  ret void
}

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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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