; LLVM IR from Aakriti05/DSP-implementation_LMS_RNN :: rnn_other (dot)

; 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: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; 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 ptr @dot(double noundef %0, ptr noundef %1) #2 {
  %3 = alloca double, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store double %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %7 = call noalias ptr @malloc(i64 noundef 128) #4
  store ptr %7, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !11
  br label %8

8:                                                ; preds = %24, %2
  %9 = load i32, ptr %6, align 4, !tbaa !11
  %10 = icmp slt i32 %9, 16
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %27

12:                                               ; preds = %8
  %13 = load double, ptr %3, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8, !tbaa !9
  %15 = load i32, ptr %6, align 4, !tbaa !11
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds double, ptr %14, i64 %16
  %18 = load double, ptr %17, align 8, !tbaa !5
  %19 = fmul double %13, %18
  %20 = load ptr, ptr %5, align 8, !tbaa !9
  %21 = load i32, ptr %6, align 4, !tbaa !11
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds double, ptr %20, i64 %22
  store double %19, ptr %23, align 8, !tbaa !5
  br label %24

24:                                               ; preds = %12
  %25 = load i32, ptr %6, align 4, !tbaa !11
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %6, align 4, !tbaa !11
  br label %8, !llvm.loop !13

27:                                               ; preds = %11
  %28 = load ptr, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret ptr %28
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 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 }
attributes #4 = { nounwind allocsize(0) }

!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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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 nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write, argmem: read, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @dot(double noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %3 = tail call noalias dereferenceable_or_null(128) ptr @malloc(i64 noundef 128) #2
  %4 = load <2 x double>, ptr %1, align 8, !tbaa !5
  %5 = insertelement <2 x double> poison, double %0, i64 0
  %6 = shufflevector <2 x double> %5, <2 x double> poison, <2 x i32> zeroinitializer
  %7 = fmul <2 x double> %4, %6
  store <2 x double> %7, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  %9 = getelementptr inbounds i8, ptr %3, i64 16
  %10 = load <2 x double>, ptr %8, align 8, !tbaa !5
  %11 = fmul <2 x double> %10, %6
  store <2 x double> %11, ptr %9, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %1, i64 32
  %13 = getelementptr inbounds i8, ptr %3, i64 32
  %14 = load <2 x double>, ptr %12, align 8, !tbaa !5
  %15 = fmul <2 x double> %14, %6
  store <2 x double> %15, ptr %13, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %1, i64 48
  %17 = getelementptr inbounds i8, ptr %3, i64 48
  %18 = load <2 x double>, ptr %16, align 8, !tbaa !5
  %19 = fmul <2 x double> %18, %6
  store <2 x double> %19, ptr %17, align 8, !tbaa !5
  %20 = getelementptr inbounds i8, ptr %1, i64 64
  %21 = getelementptr inbounds i8, ptr %3, i64 64
  %22 = load <2 x double>, ptr %20, align 8, !tbaa !5
  %23 = fmul <2 x double> %22, %6
  store <2 x double> %23, ptr %21, align 8, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %1, i64 80
  %25 = getelementptr inbounds i8, ptr %3, i64 80
  %26 = load <2 x double>, ptr %24, align 8, !tbaa !5
  %27 = fmul <2 x double> %26, %6
  store <2 x double> %27, ptr %25, align 8, !tbaa !5
  %28 = getelementptr inbounds i8, ptr %1, i64 96
  %29 = getelementptr inbounds i8, ptr %3, i64 96
  %30 = load <2 x double>, ptr %28, align 8, !tbaa !5
  %31 = fmul <2 x double> %30, %6
  store <2 x double> %31, ptr %29, align 8, !tbaa !5
  %32 = getelementptr inbounds i8, ptr %1, i64 112
  %33 = getelementptr inbounds i8, ptr %3, i64 112
  %34 = load <2 x double>, ptr %32, align 8, !tbaa !5
  %35 = fmul <2 x double> %34, %6
  store <2 x double> %35, ptr %33, align 8, !tbaa !5
  ret ptr %3
}

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 nofree nounwind willreturn memory(write, argmem: read, inaccessiblemem: 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" }
attributes #2 = { nounwind allocsize(0) }

!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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass