; LLVM IR from CLASS-SZ/class_sz :: class-sz/tools (r8lib)

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

; Function Attrs: nounwind uwtable
define dso_local i32 @r8_sign_match(double noundef %0, double noundef %1) #1 {
  %3 = alloca double, align 8
  %4 = alloca double, align 8
  %5 = alloca i32, align 4
  store double %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  %6 = load double, ptr %3, align 8, !tbaa !5
  %7 = fcmp ole double %6, 0.000000e+00
  br i1 %7, label %8, label %11

8:                                                ; preds = %2
  %9 = load double, ptr %4, align 8, !tbaa !5
  %10 = fcmp ole double %9, 0.000000e+00
  br i1 %10, label %19, label %11

11:                                               ; preds = %8, %2
  %12 = load double, ptr %3, align 8, !tbaa !5
  %13 = fcmp ole double 0.000000e+00, %12
  br i1 %13, label %14, label %17

14:                                               ; preds = %11
  %15 = load double, ptr %4, align 8, !tbaa !5
  %16 = fcmp ole double 0.000000e+00, %15
  br label %17

17:                                               ; preds = %14, %11
  %18 = phi i1 [ false, %11 ], [ %16, %14 ]
  br label %19

19:                                               ; preds = %17, %8
  %20 = phi i1 [ true, %8 ], [ %18, %17 ]
  %21 = zext i1 %20 to i32
  store i32 %21, ptr %5, align 4, !tbaa !9
  %22 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %22
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local range(i32 0, 2) i32 @r8_sign_match(double noundef %0, double noundef %1) local_unnamed_addr #0 {
  %3 = fcmp ole double %0, 0.000000e+00
  %4 = fcmp ole double %1, 0.000000e+00
  %or.cond = and i1 %3, %4
  %5 = fcmp oge double %0, 0.000000e+00
  %6 = fcmp oge double %1, 0.000000e+00
  %7 = and i1 %5, %6
  %narrow = or i1 %or.cond, %7
  %8 = zext i1 %narrow to i32
  ret i32 %8
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


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