; 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 zeroext i8 @libxsmm_extract_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 i8, align 1
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = 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 1, ptr %9) #2
  store i8 0, ptr %9, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = sdiv i32 %13, 8
  store i32 %14, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = srem i32 %15, 8
  store i32 %16, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #2
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load i32, ptr %10, align 4, !tbaa !9
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = load i32, ptr %8, align 4, !tbaa !9
  %21 = sdiv i32 %20, 8
  %22 = mul nsw i32 %19, %21
  %23 = add nsw i32 %18, %22
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds i8, ptr %17, i64 %24
  %26 = load i8, ptr %25, align 1, !tbaa !11
  store i8 %26, ptr %12, align 1, !tbaa !11
  %27 = load i8, ptr %12, align 1, !tbaa !11
  %28 = sext i8 %27 to i32
  %29 = load i32, ptr %11, align 4, !tbaa !9
  %30 = sub nsw i32 7, %29
  %31 = shl i32 %28, %30
  %32 = trunc i32 %31 to i8
  %33 = zext i8 %32 to i32
  %34 = ashr i32 %33, 7
  %35 = trunc i32 %34 to i8
  store i8 %35, ptr %9, align 1, !tbaa !11
  %36 = load i8, ptr %9, align 1, !tbaa !11
  %37 = zext i8 %36 to i32
  %38 = icmp eq i32 %37, 0
  %39 = zext i1 %38 to i64
  %40 = select i1 %38, i32 0, i32 1
  %41 = trunc i32 %40 to i8
  store i8 %41, ptr %9, align 1, !tbaa !11
  %42 = load i8, ptr %9, align 1, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #2
  ret i8 %42
}

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: read) uwtable
define dso_local zeroext range(i8 0, 2) i8 @libxsmm_extract_bit(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = sdiv i32 %1, 8
  %6 = srem i32 %1, 8
  %7 = sdiv i32 %3, 8
  %8 = mul nsw i32 %7, %2
  %9 = add nsw i32 %8, %5
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds i8, ptr %0, i64 %10
  %12 = load i8, ptr %11, align 1, !tbaa !5
  %13 = zext i8 %12 to i32
  %14 = sub nsw i32 7, %6
  %15 = lshr i32 128, %14
  %16 = and i32 %15, %13
  %17 = icmp ne i32 %16, 0
  %18 = zext i1 %17 to i8
  ret i8 %18
}

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/C++ TBAA"}


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