; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/reim4_elem.ll (Z10infty_distRK10reim4_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 nounwind uwtable
define dso_local noundef double @_Z10infty_distRK10reim4_elemS1_(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr noundef nonnull align 8 dereferenceable(64) %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca double, align 8
  %6 = alloca i64, align 8
  %7 = alloca double, align 8
  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
  store double 0.000000e+00, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !11
  br label %8

8:                                                ; preds = %31, %2
  %9 = load i64, ptr %6, align 8, !tbaa !11
  %10 = icmp ult i64 %9, 8
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %34

12:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %class.reim4_elem, ptr %13, i32 0, i32 0
  %15 = load i64, ptr %6, align 8, !tbaa !11
  %16 = getelementptr inbounds [8 x double], ptr %14, i64 0, i64 %15
  %17 = load double, ptr %16, align 8, !tbaa !9
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %class.reim4_elem, ptr %18, i32 0, i32 0
  %20 = load i64, ptr %6, align 8, !tbaa !11
  %21 = getelementptr inbounds [8 x double], ptr %19, i64 0, i64 %20
  %22 = load double, ptr %21, align 8, !tbaa !9
  %23 = fsub double %17, %22
  %24 = call double @llvm.fabs.f64(double %23)
  store double %24, ptr %7, align 8, !tbaa !9
  %25 = load double, ptr %7, align 8, !tbaa !9
  %26 = load double, ptr %5, align 8, !tbaa !9
  %27 = fcmp ogt double %25, %26
  br i1 %27, label %28, label %30

28:                                               ; preds = %12
  %29 = load double, ptr %7, align 8, !tbaa !9
  store double %29, ptr %5, align 8, !tbaa !9
  br label %30

30:                                               ; preds = %28, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %31

31:                                               ; preds = %30
  %32 = load i64, ptr %6, align 8, !tbaa !11
  %33 = add i64 %32, 1
  store i64 %33, ptr %6, align 8, !tbaa !11
  br label %8, !llvm.loop !13

34:                                               ; preds = %11
  %35 = load double, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret double %35
}

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

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 #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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !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 norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef double @_Z10infty_distRK10reim4_elemS1_(ptr nocapture noundef nonnull readonly align 8 dereferenceable(64) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(64) %1) local_unnamed_addr #0 {
  %3 = load double, ptr %0, align 8, !tbaa !5
  %4 = load double, ptr %1, align 8, !tbaa !5
  %5 = fsub double %3, %4
  %6 = tail call double @llvm.fabs.f64(double %5)
  %7 = fcmp ogt double %6, 0.000000e+00
  %.1 = select i1 %7, double %6, double 0.000000e+00
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load double, ptr %8, align 8, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %1, i64 8
  %11 = load double, ptr %10, align 8, !tbaa !5
  %12 = fsub double %9, %11
  %13 = tail call double @llvm.fabs.f64(double %12)
  %14 = fcmp ogt double %13, %.1
  %.1.1 = select i1 %14, double %13, double %.1
  %15 = getelementptr inbounds i8, ptr %0, i64 16
  %16 = load double, ptr %15, align 8, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %1, i64 16
  %18 = load double, ptr %17, align 8, !tbaa !5
  %19 = fsub double %16, %18
  %20 = tail call double @llvm.fabs.f64(double %19)
  %21 = fcmp ogt double %20, %.1.1
  %.1.2 = select i1 %21, double %20, double %.1.1
  %22 = getelementptr inbounds i8, ptr %0, i64 24
  %23 = load double, ptr %22, align 8, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %1, i64 24
  %25 = load double, ptr %24, align 8, !tbaa !5
  %26 = fsub double %23, %25
  %27 = tail call double @llvm.fabs.f64(double %26)
  %28 = fcmp ogt double %27, %.1.2
  %.1.3 = select i1 %28, double %27, double %.1.2
  %29 = getelementptr inbounds i8, ptr %0, i64 32
  %30 = load double, ptr %29, align 8, !tbaa !5
  %31 = getelementptr inbounds i8, ptr %1, i64 32
  %32 = load double, ptr %31, align 8, !tbaa !5
  %33 = fsub double %30, %32
  %34 = tail call double @llvm.fabs.f64(double %33)
  %35 = fcmp ogt double %34, %.1.3
  %.1.4 = select i1 %35, double %34, double %.1.3
  %36 = getelementptr inbounds i8, ptr %0, i64 40
  %37 = load double, ptr %36, align 8, !tbaa !5
  %38 = getelementptr inbounds i8, ptr %1, i64 40
  %39 = load double, ptr %38, align 8, !tbaa !5
  %40 = fsub double %37, %39
  %41 = tail call double @llvm.fabs.f64(double %40)
  %42 = fcmp ogt double %41, %.1.4
  %.1.5 = select i1 %42, double %41, double %.1.4
  %43 = getelementptr inbounds i8, ptr %0, i64 48
  %44 = load double, ptr %43, align 8, !tbaa !5
  %45 = getelementptr inbounds i8, ptr %1, i64 48
  %46 = load double, ptr %45, align 8, !tbaa !5
  %47 = fsub double %44, %46
  %48 = tail call double @llvm.fabs.f64(double %47)
  %49 = fcmp ogt double %48, %.1.5
  %.1.6 = select i1 %49, double %48, double %.1.5
  %50 = getelementptr inbounds i8, ptr %0, i64 56
  %51 = load double, ptr %50, align 8, !tbaa !5
  %52 = getelementptr inbounds i8, ptr %1, i64 56
  %53 = load double, ptr %52, align 8, !tbaa !5
  %54 = fsub double %51, %53
  %55 = tail call double @llvm.fabs.f64(double %54)
  %56 = fcmp ogt double %55, %.1.6
  %.1.7 = select i1 %56, double %55, double %.1.6
  ret double %.1.7
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fabs.f64(double) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 = { mustprogress 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,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass