; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/reim4_elem.ll (ZeqRK10reim4_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 zeroext i1 @_ZeqRK10reim4_elemS1_(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr noundef nonnull align 8 dereferenceable(64) %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %8

8:                                                ; preds = %26, %2
  %9 = load i64, ptr %6, align 8, !tbaa !9
  %10 = icmp ult i64 %9, 8
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  store i32 2, ptr %7, align 4
  br label %29

12:                                               ; preds = %8
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %class.reim4_elem, ptr %13, i32 0, i32 0
  %15 = load i64, ptr %6, align 8, !tbaa !9
  %16 = getelementptr inbounds [8 x double], ptr %14, i64 0, i64 %15
  %17 = load double, ptr %16, align 8, !tbaa !11
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = getelementptr inbounds %class.reim4_elem, ptr %18, i32 0, i32 0
  %20 = load i64, ptr %6, align 8, !tbaa !9
  %21 = getelementptr inbounds [8 x double], ptr %19, i64 0, i64 %20
  %22 = load double, ptr %21, align 8, !tbaa !11
  %23 = fcmp une double %17, %22
  br i1 %23, label %24, label %25

24:                                               ; preds = %12
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %29

25:                                               ; preds = %12
  br label %26

26:                                               ; preds = %25
  %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 %8, !llvm.loop !13

29:                                               ; preds = %24, %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %30 = load i32, ptr %7, align 4
  switch i32 %30, label %34 [
    i32 2, label %31
    i32 1, label %32
  ]

31:                                               ; preds = %29
  store i1 true, ptr %3, align 1
  br label %32

32:                                               ; preds = %31, %29
  %33 = load i1, ptr %3, align 1
  ret i1 %33

34:                                               ; preds = %29
  unreachable
}

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 = { 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef zeroext i1 @_ZeqRK10reim4_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 = fcmp une double %3, %4
  br i1 %5, label %49, label %6

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load double, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = load double, ptr %9, align 8, !tbaa !5
  %11 = fcmp une double %8, %10
  br i1 %11, label %49, label %12

12:                                               ; preds = %6
  %13 = getelementptr inbounds i8, ptr %0, i64 16
  %14 = load double, ptr %13, align 8, !tbaa !5
  %15 = getelementptr inbounds i8, ptr %1, i64 16
  %16 = load double, ptr %15, align 8, !tbaa !5
  %17 = fcmp une double %14, %16
  br i1 %17, label %49, label %18

18:                                               ; preds = %12
  %19 = getelementptr inbounds i8, ptr %0, i64 24
  %20 = load double, ptr %19, align 8, !tbaa !5
  %21 = getelementptr inbounds i8, ptr %1, i64 24
  %22 = load double, ptr %21, align 8, !tbaa !5
  %23 = fcmp une double %20, %22
  br i1 %23, label %49, label %24

24:                                               ; preds = %18
  %25 = getelementptr inbounds i8, ptr %0, i64 32
  %26 = load double, ptr %25, align 8, !tbaa !5
  %27 = getelementptr inbounds i8, ptr %1, i64 32
  %28 = load double, ptr %27, align 8, !tbaa !5
  %29 = fcmp une double %26, %28
  br i1 %29, label %49, label %30

30:                                               ; preds = %24
  %31 = getelementptr inbounds i8, ptr %0, i64 40
  %32 = load double, ptr %31, align 8, !tbaa !5
  %33 = getelementptr inbounds i8, ptr %1, i64 40
  %34 = load double, ptr %33, align 8, !tbaa !5
  %35 = fcmp une double %32, %34
  br i1 %35, label %49, label %36

36:                                               ; preds = %30
  %37 = getelementptr inbounds i8, ptr %0, i64 48
  %38 = load double, ptr %37, align 8, !tbaa !5
  %39 = getelementptr inbounds i8, ptr %1, i64 48
  %40 = load double, ptr %39, align 8, !tbaa !5
  %41 = fcmp une double %38, %40
  br i1 %41, label %49, label %42

42:                                               ; preds = %36
  %43 = getelementptr inbounds i8, ptr %0, i64 56
  %44 = load double, ptr %43, align 8, !tbaa !5
  %45 = getelementptr inbounds i8, ptr %1, i64 56
  %46 = load double, ptr %45, align 8, !tbaa !5
  %47 = fcmp une double %44, %46
  br i1 %47, label %49, label %48

48:                                               ; preds = %42
  br label %49

49:                                               ; preds = %48, %42, %36, %30, %24, %18, %12, %6, %2
  %.lcssa = phi i1 [ false, %2 ], [ false, %6 ], [ false, %12 ], [ false, %18 ], [ false, %24 ], [ false, %30 ], [ false, %36 ], [ false, %42 ], [ true, %48 ]
  ret i1 %.lcssa
}

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" }

!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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass