; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/reim4_elem.ll (ZmiRK10reim4_elemS1_)

; 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"

%class.reim4_elem = type { [8 x double] }

; 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: mustprogress uwtable
define dso_local void @_ZmiRK10reim4_elemS1_(ptr dead_on_unwind noalias writable sret(%class.reim4_elem) align 8 %0, ptr noundef nonnull align 8 dereferenceable(64) %1, ptr noundef nonnull align 8 dereferenceable(64) %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  store ptr %2, ptr %5, align 8, !tbaa !5
  call void @_ZN10reim4_elemC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %7

7:                                                ; preds = %26, %3
  %8 = load i64, ptr %6, align 8, !tbaa !9
  %9 = icmp ult i64 %8, 8
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  br label %29

11:                                               ; preds = %7
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %class.reim4_elem, ptr %12, i32 0, i32 0
  %14 = load i64, ptr %6, align 8, !tbaa !9
  %15 = getelementptr inbounds [8 x double], ptr %13, i64 0, i64 %14
  %16 = load double, ptr %15, align 8, !tbaa !11
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %class.reim4_elem, ptr %17, i32 0, i32 0
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = getelementptr inbounds [8 x double], ptr %18, i64 0, i64 %19
  %21 = load double, ptr %20, align 8, !tbaa !11
  %22 = fadd double %16, %21
  %23 = getelementptr inbounds %class.reim4_elem, ptr %0, i32 0, i32 0
  %24 = load i64, ptr %6, align 8, !tbaa !9
  %25 = getelementptr inbounds [8 x double], ptr %23, i64 0, i64 %24
  store double %22, ptr %25, align 8, !tbaa !11
  br label %26

26:                                               ; preds = %11
  %27 = load i64, ptr %6, align 8, !tbaa !9
  %28 = add i64 %27, 1
  store i64 %28, ptr %6, align 8, !tbaa !9
  br label %7, !llvm.loop !13

29:                                               ; preds = %10
  ret void
}

declare void @_ZN10reim4_elemC1Ev(ptr)

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !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"

%class.reim4_elem = type { [8 x double] }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZmiRK10reim4_elemS1_(ptr dead_on_unwind noalias writable sret(%class.reim4_elem) align 8 %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(64) %1, ptr nocapture noundef nonnull readonly align 8 dereferenceable(64) %2) local_unnamed_addr #0 {
  tail call void @_ZN10reim4_elemC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %0)
  %4 = load <2 x double>, ptr %1, align 8, !tbaa !5
  %5 = load <2 x double>, ptr %2, align 8, !tbaa !5
  %6 = fadd <2 x double> %4, %5
  store <2 x double> %6, ptr %0, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %1, i64 16
  %8 = getelementptr inbounds i8, ptr %2, i64 16
  %9 = getelementptr inbounds i8, ptr %0, 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 %1, i64 32
  %14 = getelementptr inbounds i8, ptr %2, i64 32
  %15 = getelementptr inbounds i8, ptr %0, 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 %1, i64 48
  %20 = getelementptr inbounds i8, ptr %2, i64 48
  %21 = getelementptr inbounds i8, ptr %0, 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
  ret void
}

declare void @_ZN10reim4_elemC1Ev(ptr) local_unnamed_addr

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


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