; LLVM IR from ubaldot/defrecs :: stm32f4x/ADC_Readings/Drivers/CMSIS/NN/Source/ConcatenationFunctions (w)

; 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: nounwind uwtable
define dso_local void @arm_concatenation_s8_w(ptr noundef %0, i16 noundef zeroext %1, i16 noundef zeroext %2, i16 noundef zeroext %3, i16 noundef zeroext %4, ptr noundef %5, i32 noundef %6) #0 {
  %8 = alloca ptr, align 8
  %9 = alloca i16, align 2
  %10 = alloca i16, align 2
  %11 = alloca i16, align 2
  %12 = alloca i16, align 2
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i16 %1, ptr %9, align 2, !tbaa !9
  store i16 %2, ptr %10, align 2, !tbaa !9
  store i16 %3, ptr %11, align 2, !tbaa !9
  store i16 %4, ptr %12, align 2, !tbaa !9
  store ptr %5, ptr %13, align 8, !tbaa !5
  store i32 %6, ptr %14, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  %16 = load i16, ptr %9, align 2, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = load i16, ptr %10, align 2, !tbaa !9
  %19 = zext i16 %18 to i32
  %20 = mul nsw i32 %17, %19
  %21 = load i16, ptr %11, align 2, !tbaa !9
  %22 = zext i16 %21 to i32
  %23 = mul nsw i32 %20, %22
  %24 = load i16, ptr %12, align 2, !tbaa !9
  %25 = zext i16 %24 to i32
  %26 = mul nsw i32 %23, %25
  store i32 %26, ptr %15, align 4, !tbaa !11
  %27 = load i32, ptr %14, align 4, !tbaa !11
  %28 = load i16, ptr %9, align 2, !tbaa !9
  %29 = zext i16 %28 to i32
  %30 = load i16, ptr %10, align 2, !tbaa !9
  %31 = zext i16 %30 to i32
  %32 = mul nsw i32 %29, %31
  %33 = load i16, ptr %11, align 2, !tbaa !9
  %34 = zext i16 %33 to i32
  %35 = mul nsw i32 %32, %34
  %36 = mul i32 %27, %35
  %37 = load ptr, ptr %13, align 8, !tbaa !5
  %38 = zext i32 %36 to i64
  %39 = getelementptr inbounds i8, ptr %37, i64 %38
  store ptr %39, ptr %13, align 8, !tbaa !5
  %40 = load ptr, ptr %13, align 8, !tbaa !5
  %41 = load ptr, ptr %8, align 8, !tbaa !5
  %42 = load i32, ptr %15, align 4, !tbaa !11
  call void @arm_memcpy_q7(ptr noundef %40, ptr noundef %41, i32 noundef %42)
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: alwaysinline nounwind uwtable
declare hidden void @arm_memcpy_q7(ptr noalias noundef, ptr noalias noundef, i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { alwaysinline 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 #3 = { 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 = !{!"short", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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: nounwind uwtable
define dso_local void @arm_concatenation_s8_w(ptr noundef %0, i16 noundef zeroext %1, i16 noundef zeroext %2, i16 noundef zeroext %3, i16 noundef zeroext %4, ptr noundef %5, i32 noundef %6) local_unnamed_addr #0 {
  %8 = zext i16 %1 to i32
  %9 = zext i16 %2 to i32
  %10 = mul nuw nsw i32 %9, %8
  %11 = zext i16 %3 to i32
  %12 = mul nuw nsw i32 %10, %11
  %13 = zext i16 %4 to i32
  %14 = mul nuw nsw i32 %12, %13
  %15 = mul i32 %12, %6
  %16 = zext i32 %15 to i64
  %17 = getelementptr inbounds i8, ptr %5, i64 %16
  tail call void @arm_memcpy_q7(ptr noundef %17, ptr noundef %0, i32 noundef %14)
  ret void
}

; Function Attrs: alwaysinline nounwind uwtable
declare hidden void @arm_memcpy_q7(ptr noalias noundef, ptr noalias noundef, i32 noundef) local_unnamed_addr #1

attributes #0 = { 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 #1 = { alwaysinline 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)"}


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