; LLVM IR from kimwalisch/primesieve :: src/arch/x86/cpuid.ll (ZN10primesieve19has_cpuid_avx512_bwEv)

; 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: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_19run_cpuidEiiPi(i32 noundef, i32 noundef, ptr 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: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN10primesieve19has_cpuid_avx512_bwEv() #2 {
  %1 = alloca i1, align 1
  %2 = alloca [4 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %2) #3
  %8 = getelementptr inbounds [4 x i32], ptr %2, i64 0, i64 0
  call void @_ZN12_GLOBAL__N_19run_cpuidEiiPi(i32 noundef 1, i32 noundef 0, ptr noundef %8)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 134217728, ptr %3, align 4, !tbaa !5
  %9 = getelementptr inbounds [4 x i32], ptr %2, i64 0, i64 2
  %10 = load i32, ptr %9, align 8, !tbaa !5
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = and i32 %10, %11
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = icmp ne i32 %12, %13
  br i1 %14, label %15, label %16

15:                                               ; preds = %0
  store i1 false, ptr %1, align 1
  store i32 1, ptr %4, align 4
  br label %45

16:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 6, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 230, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %17 = call noundef i64 @_ZN12_GLOBAL__N_18get_xcr0Ev()
  store i64 %17, ptr %7, align 8, !tbaa !9
  %18 = load i64, ptr %7, align 8, !tbaa !9
  %19 = load i64, ptr %5, align 8, !tbaa !9
  %20 = and i64 %18, %19
  %21 = load i64, ptr %5, align 8, !tbaa !9
  %22 = icmp ne i64 %20, %21
  br i1 %22, label %23, label %24

23:                                               ; preds = %16
  store i1 false, ptr %1, align 1
  store i32 1, ptr %4, align 4
  br label %44

24:                                               ; preds = %16
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = load i64, ptr %6, align 8, !tbaa !9
  %27 = and i64 %25, %26
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = icmp ne i64 %27, %28
  br i1 %29, label %30, label %31

30:                                               ; preds = %24
  store i1 false, ptr %1, align 1
  store i32 1, ptr %4, align 4
  br label %44

31:                                               ; preds = %24
  %32 = getelementptr inbounds [4 x i32], ptr %2, i64 0, i64 0
  call void @_ZN12_GLOBAL__N_19run_cpuidEiiPi(i32 noundef 7, i32 noundef 0, ptr noundef %32)
  %33 = getelementptr inbounds [4 x i32], ptr %2, i64 0, i64 1
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = and i32 %34, 65536
  %36 = icmp eq i32 %35, 65536
  br i1 %36, label %37, label %42

37:                                               ; preds = %31
  %38 = getelementptr inbounds [4 x i32], ptr %2, i64 0, i64 1
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = and i32 %39, 1073741824
  %41 = icmp eq i32 %40, 1073741824
  br label %42

42:                                               ; preds = %37, %31
  %43 = phi i1 [ false, %31 ], [ %41, %37 ]
  store i1 %43, ptr %1, align 1
  store i32 1, ptr %4, align 4
  br label %44

44:                                               ; preds = %42, %30, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %45

45:                                               ; preds = %44, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %2) #3
  %46 = load i1, ptr %1, align 1
  ret i1 %46
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i64 @_ZN12_GLOBAL__N_18get_xcr0Ev() #1

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 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


; 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_19run_cpuidEiiPi(i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress 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 @_ZN10primesieve19has_cpuid_avx512_bwEv() local_unnamed_addr #1 {
  %1 = alloca [4 x i32], align 16
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %1) #2
  call void @_ZN12_GLOBAL__N_19run_cpuidEiiPi(i32 noundef 1, i32 noundef 0, ptr noundef nonnull %1)
  %2 = getelementptr inbounds i8, ptr %1, i64 8
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = and i32 %3, 134217728
  %.not.not = icmp eq i32 %4, 0
  br i1 %.not.not, label %13, label %5

5:                                                ; preds = %0
  %6 = call noundef i64 @_ZN12_GLOBAL__N_18get_xcr0Ev()
  %7 = and i64 %6, 230
  %or.cond = icmp eq i64 %7, 230
  br i1 %or.cond, label %8, label %13

8:                                                ; preds = %5
  call void @_ZN12_GLOBAL__N_19run_cpuidEiiPi(i32 noundef 7, i32 noundef 0, ptr noundef nonnull %1)
  %9 = getelementptr inbounds i8, ptr %1, i64 4
  %10 = load i32, ptr %9, align 4
  %11 = and i32 %10, 1073807360
  %12 = icmp eq i32 %11, 1073807360
  br label %13

13:                                               ; preds = %8, %5, %0
  %.1 = phi i1 [ false, %0 ], [ %12, %8 ], [ false, %5 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %1) #2
  ret i1 %.1
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i64 @_ZN12_GLOBAL__N_18get_xcr0Ev() local_unnamed_addr #1

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


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass