; LLVM IR from Aakriti05/DSP-implementation_LMS_RNN :: rnn (sum_funct)

; 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 @sum_funct(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %7 = call noalias ptr @malloc(i64 noundef 256) #4
  store ptr %7, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %28, %2
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = icmp slt i32 %9, 32
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %31

12:                                               ; preds = %8
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds double, ptr %13, i64 %15
  %17 = load double, ptr %16, align 8, !tbaa !11
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds double, ptr %18, i64 %20
  %22 = load double, ptr %21, align 8, !tbaa !11
  %23 = fadd double %17, %22
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds double, ptr %24, i64 %26
  store double %23, ptr %27, align 8, !tbaa !11
  br label %28

28:                                               ; preds = %12
  %29 = load i32, ptr %6, align 4, !tbaa !9
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %6, align 4, !tbaa !9
  br label %8, !llvm.loop !13

31:                                               ; preds = %11
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret ptr %32
}

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 = !{!"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 = !{!12, !12, i64 0}
!12 = !{!"double", !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 @sum_funct(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %3 = tail call noalias dereferenceable_or_null(256) ptr @malloc(i64 noundef 256) #2
  %4 = load <2 x double>, ptr %0, align 8, !tbaa !5
  %5 = load <2 x double>, ptr %1, align 8, !tbaa !5
  %6 = fadd <2 x double> %4, %5
  store <2 x double> %6, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  %9 = getelementptr inbounds i8, ptr %3, i64 16
  %10 = load <2 x double>, ptr %7, align 8, !tbaa !5
  %11 = load <2 x double>, ptr %8, align 8, !tbaa !5
  %12 = fadd <2 x double> %10, %11
  store <2 x double> %12, ptr %9, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %0, i64 32
  %14 = getelementptr inbounds i8, ptr %1, i64 32
  %15 = getelementptr inbounds i8, ptr %3, i64 32
  %16 = load <2 x double>, ptr %13, align 8, !tbaa !5
  %17 = load <2 x double>, ptr %14, align 8, !tbaa !5
  %18 = fadd <2 x double> %16, %17
  store <2 x double> %18, ptr %15, align 8, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %0, i64 48
  %20 = getelementptr inbounds i8, ptr %1, i64 48
  %21 = getelementptr inbounds i8, ptr %3, i64 48
  %22 = load <2 x double>, ptr %19, align 8, !tbaa !5
  %23 = load <2 x double>, ptr %20, align 8, !tbaa !5
  %24 = fadd <2 x double> %22, %23
  store <2 x double> %24, ptr %21, align 8, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %0, i64 64
  %26 = getelementptr inbounds i8, ptr %1, i64 64
  %27 = getelementptr inbounds i8, ptr %3, i64 64
  %28 = load <2 x double>, ptr %25, align 8, !tbaa !5
  %29 = load <2 x double>, ptr %26, align 8, !tbaa !5
  %30 = fadd <2 x double> %28, %29
  store <2 x double> %30, ptr %27, align 8, !tbaa !5
  %31 = getelementptr inbounds i8, ptr %0, i64 80
  %32 = getelementptr inbounds i8, ptr %1, i64 80
  %33 = getelementptr inbounds i8, ptr %3, i64 80
  %34 = load <2 x double>, ptr %31, align 8, !tbaa !5
  %35 = load <2 x double>, ptr %32, align 8, !tbaa !5
  %36 = fadd <2 x double> %34, %35
  store <2 x double> %36, ptr %33, align 8, !tbaa !5
  %37 = getelementptr inbounds i8, ptr %0, i64 96
  %38 = getelementptr inbounds i8, ptr %1, i64 96
  %39 = getelementptr inbounds i8, ptr %3, i64 96
  %40 = load <2 x double>, ptr %37, align 8, !tbaa !5
  %41 = load <2 x double>, ptr %38, align 8, !tbaa !5
  %42 = fadd <2 x double> %40, %41
  store <2 x double> %42, ptr %39, align 8, !tbaa !5
  %43 = getelementptr inbounds i8, ptr %0, i64 112
  %44 = getelementptr inbounds i8, ptr %1, i64 112
  %45 = getelementptr inbounds i8, ptr %3, i64 112
  %46 = load <2 x double>, ptr %43, align 8, !tbaa !5
  %47 = load <2 x double>, ptr %44, align 8, !tbaa !5
  %48 = fadd <2 x double> %46, %47
  store <2 x double> %48, ptr %45, align 8, !tbaa !5
  %49 = getelementptr inbounds i8, ptr %0, i64 128
  %50 = getelementptr inbounds i8, ptr %1, i64 128
  %51 = getelementptr inbounds i8, ptr %3, i64 128
  %52 = load <2 x double>, ptr %49, align 8, !tbaa !5
  %53 = load <2 x double>, ptr %50, align 8, !tbaa !5
  %54 = fadd <2 x double> %52, %53
  store <2 x double> %54, ptr %51, align 8, !tbaa !5
  %55 = getelementptr inbounds i8, ptr %0, i64 144
  %56 = getelementptr inbounds i8, ptr %1, i64 144
  %57 = getelementptr inbounds i8, ptr %3, i64 144
  %58 = load <2 x double>, ptr %55, align 8, !tbaa !5
  %59 = load <2 x double>, ptr %56, align 8, !tbaa !5
  %60 = fadd <2 x double> %58, %59
  store <2 x double> %60, ptr %57, align 8, !tbaa !5
  %61 = getelementptr inbounds i8, ptr %0, i64 160
  %62 = getelementptr inbounds i8, ptr %1, i64 160
  %63 = getelementptr inbounds i8, ptr %3, i64 160
  %64 = load <2 x double>, ptr %61, align 8, !tbaa !5
  %65 = load <2 x double>, ptr %62, align 8, !tbaa !5
  %66 = fadd <2 x double> %64, %65
  store <2 x double> %66, ptr %63, align 8, !tbaa !5
  %67 = getelementptr inbounds i8, ptr %0, i64 176
  %68 = getelementptr inbounds i8, ptr %1, i64 176
  %69 = getelementptr inbounds i8, ptr %3, i64 176
  %70 = load <2 x double>, ptr %67, align 8, !tbaa !5
  %71 = load <2 x double>, ptr %68, align 8, !tbaa !5
  %72 = fadd <2 x double> %70, %71
  store <2 x double> %72, ptr %69, align 8, !tbaa !5
  %73 = getelementptr inbounds i8, ptr %0, i64 192
  %74 = getelementptr inbounds i8, ptr %1, i64 192
  %75 = getelementptr inbounds i8, ptr %3, i64 192
  %76 = load <2 x double>, ptr %73, align 8, !tbaa !5
  %77 = load <2 x double>, ptr %74, align 8, !tbaa !5
  %78 = fadd <2 x double> %76, %77
  store <2 x double> %78, ptr %75, align 8, !tbaa !5
  %79 = getelementptr inbounds i8, ptr %0, i64 208
  %80 = getelementptr inbounds i8, ptr %1, i64 208
  %81 = getelementptr inbounds i8, ptr %3, i64 208
  %82 = load <2 x double>, ptr %79, align 8, !tbaa !5
  %83 = load <2 x double>, ptr %80, align 8, !tbaa !5
  %84 = fadd <2 x double> %82, %83
  store <2 x double> %84, ptr %81, align 8, !tbaa !5
  %85 = getelementptr inbounds i8, ptr %0, i64 224
  %86 = getelementptr inbounds i8, ptr %1, i64 224
  %87 = getelementptr inbounds i8, ptr %3, i64 224
  %88 = load <2 x double>, ptr %85, align 8, !tbaa !5
  %89 = load <2 x double>, ptr %86, align 8, !tbaa !5
  %90 = fadd <2 x double> %88, %89
  store <2 x double> %90, ptr %87, align 8, !tbaa !5
  %91 = getelementptr inbounds i8, ptr %0, i64 240
  %92 = getelementptr inbounds i8, ptr %1, i64 240
  %93 = getelementptr inbounds i8, ptr %3, i64 240
  %94 = load <2 x double>, ptr %91, align 8, !tbaa !5
  %95 = load <2 x double>, ptr %92, align 8, !tbaa !5
  %96 = fadd <2 x double> %94, %95
  store <2 x double> %96, ptr %93, 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,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass