; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/reim4_elem.ll (ZmlRK10reim4_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 @_ZmlRK10reim4_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
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  %10 = alloca double, 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) #3
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %58, %3
  %12 = load i64, ptr %6, align 8, !tbaa !9
  %13 = icmp ult i64 %12, 4
  br i1 %13, label %15, label %14

14:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %61

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %class.reim4_elem, ptr %16, i32 0, i32 0
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = getelementptr inbounds [8 x double], ptr %17, i64 0, i64 %18
  %20 = load double, ptr %19, align 8, !tbaa !11
  store double %20, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %class.reim4_elem, ptr %21, i32 0, i32 0
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = getelementptr inbounds [8 x double], ptr %22, i64 0, i64 %23
  %25 = load double, ptr %24, align 8, !tbaa !11
  store double %25, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %class.reim4_elem, ptr %26, i32 0, i32 0
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = add i64 %28, 4
  %30 = getelementptr inbounds [8 x double], ptr %27, i64 0, i64 %29
  %31 = load double, ptr %30, align 8, !tbaa !11
  store double %31, ptr %9, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = getelementptr inbounds %class.reim4_elem, ptr %32, i32 0, i32 0
  %34 = load i64, ptr %6, align 8, !tbaa !9
  %35 = add i64 %34, 4
  %36 = getelementptr inbounds [8 x double], ptr %33, i64 0, i64 %35
  %37 = load double, ptr %36, align 8, !tbaa !11
  store double %37, ptr %10, align 8, !tbaa !11
  %38 = load double, ptr %7, align 8, !tbaa !11
  %39 = load double, ptr %8, align 8, !tbaa !11
  %40 = load double, ptr %9, align 8, !tbaa !11
  %41 = load double, ptr %10, align 8, !tbaa !11
  %42 = fmul double %40, %41
  %43 = fneg double %42
  %44 = call double @llvm.fmuladd.f64(double %38, double %39, double %43)
  %45 = getelementptr inbounds %class.reim4_elem, ptr %0, i32 0, i32 0
  %46 = load i64, ptr %6, align 8, !tbaa !9
  %47 = getelementptr inbounds [8 x double], ptr %45, i64 0, i64 %46
  store double %44, ptr %47, align 8, !tbaa !11
  %48 = load double, ptr %7, align 8, !tbaa !11
  %49 = load double, ptr %10, align 8, !tbaa !11
  %50 = load double, ptr %9, align 8, !tbaa !11
  %51 = load double, ptr %8, align 8, !tbaa !11
  %52 = fmul double %50, %51
  %53 = call double @llvm.fmuladd.f64(double %48, double %49, double %52)
  %54 = getelementptr inbounds %class.reim4_elem, ptr %0, i32 0, i32 0
  %55 = load i64, ptr %6, align 8, !tbaa !9
  %56 = add i64 %55, 4
  %57 = getelementptr inbounds [8 x double], ptr %54, i64 0, i64 %56
  store double %53, ptr %57, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %58

58:                                               ; preds = %15
  %59 = load i64, ptr %6, align 8, !tbaa !9
  %60 = add i64 %59, 1
  store i64 %60, ptr %6, align 8, !tbaa !9
  br label %11, !llvm.loop !13

61:                                               ; preds = %14
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #2

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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++ 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 @_ZmlRK10reim4_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 = getelementptr inbounds i8, ptr %1, i64 32
  %5 = getelementptr inbounds i8, ptr %2, i64 32
  %6 = getelementptr inbounds i8, ptr %0, i64 32
  %7 = load <2 x double>, ptr %2, align 8, !tbaa !5
  %8 = load <2 x double>, ptr %4, align 8, !tbaa !5
  %9 = load <2 x double>, ptr %1, align 8, !tbaa !5
  %10 = load <2 x double>, ptr %5, align 8, !tbaa !5
  %11 = fneg <2 x double> %8
  %12 = fmul <2 x double> %10, %11
  %13 = tail call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %9, <2 x double> %7, <2 x double> %12)
  store <2 x double> %13, ptr %0, align 8, !tbaa !5
  %14 = fmul <2 x double> %7, %8
  %15 = tail call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %9, <2 x double> %10, <2 x double> %14)
  store <2 x double> %15, ptr %6, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %1, i64 16
  %17 = getelementptr inbounds i8, ptr %2, i64 16
  %18 = getelementptr inbounds i8, ptr %1, i64 48
  %19 = getelementptr inbounds i8, ptr %2, i64 48
  %20 = getelementptr inbounds i8, ptr %0, i64 16
  %21 = getelementptr inbounds i8, ptr %0, i64 48
  %22 = load <2 x double>, ptr %17, align 8, !tbaa !5
  %23 = load <2 x double>, ptr %18, align 8, !tbaa !5
  %24 = load <2 x double>, ptr %16, align 8, !tbaa !5
  %25 = load <2 x double>, ptr %19, align 8, !tbaa !5
  %26 = fneg <2 x double> %23
  %27 = fmul <2 x double> %25, %26
  %28 = tail call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %24, <2 x double> %22, <2 x double> %27)
  store <2 x double> %28, ptr %20, align 8, !tbaa !5
  %29 = fmul <2 x double> %22, %23
  %30 = tail call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %24, <2 x double> %25, <2 x double> %29)
  store <2 x double> %30, ptr %21, align 8, !tbaa !5
  ret void
}

declare void @_ZN10reim4_elemC1Ev(ptr) local_unnamed_addr

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <2 x double> @llvm.fmuladd.v2f64(<2 x double>, <2 x double>, <2 x double>) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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,GlobalDCEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass