; LLVM IR from buresjan/optim_lbm :: nomad/ext/sgtelib/src/Surrogate_Utils.ll (ZN7SGTELIB5isdefEd)

; 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: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN7SGTELIB5isdefEd(double noundef %0) #0 {
  %2 = alloca i1, align 1
  %3 = alloca double, align 8
  store double %0, ptr %3, align 8, !tbaa !5
  %4 = load double, ptr %3, align 8, !tbaa !5
  %5 = call noundef zeroext i1 @_ZSt5isnand(double noundef %4)
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  br label %22

7:                                                ; preds = %1
  %8 = load double, ptr %3, align 8, !tbaa !5
  %9 = call noundef zeroext i1 @_ZSt5isinfd(double noundef %8)
  br i1 %9, label %10, label %11

10:                                               ; preds = %7
  store i1 false, ptr %2, align 1
  br label %22

11:                                               ; preds = %7
  %12 = load double, ptr %3, align 8, !tbaa !5
  %13 = call double @llvm.fabs.f64(double %12)
  %14 = fcmp oge double %13, 0x7FEFFFFFFFFFFFFF
  br i1 %14, label %15, label %16

15:                                               ; preds = %11
  store i1 false, ptr %2, align 1
  br label %22

16:                                               ; preds = %11
  %17 = load double, ptr %3, align 8, !tbaa !5
  %18 = call double @llvm.fabs.f64(double %17)
  %19 = fcmp oge double %18, 1.000000e+16
  br i1 %19, label %20, label %21

20:                                               ; preds = %16
  store i1 false, ptr %2, align 1
  br label %22

21:                                               ; preds = %16
  store i1 true, ptr %2, align 1
  br label %22

22:                                               ; preds = %21, %20, %15, %10, %6
  %23 = load i1, ptr %2, align 1
  ret i1 %23
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSt5isnand(double noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSt5isinfd(double noundef) #1

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

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 = { 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) }

!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"}


; 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 nounwind uwtable
define dso_local noundef zeroext i1 @_ZN7SGTELIB5isdefEd(double noundef %0) local_unnamed_addr #0 {
  %2 = tail call noundef zeroext i1 @_ZSt5isnand(double noundef %0)
  br i1 %2, label %10, label %3

3:                                                ; preds = %1
  %4 = tail call noundef zeroext i1 @_ZSt5isinfd(double noundef %0)
  br i1 %4, label %10, label %5

5:                                                ; preds = %3
  %6 = tail call double @llvm.fabs.f64(double %0)
  %7 = fcmp ult double %6, 0x7FEFFFFFFFFFFFFF
  br i1 %7, label %8, label %10

8:                                                ; preds = %5
  %9 = fcmp ult double %6, 1.000000e+16
  br label %10

10:                                               ; preds = %8, %5, %3, %1
  %.0 = phi i1 [ false, %1 ], [ false, %3 ], [ false, %5 ], [ %9, %8 ]
  ret i1 %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSt5isnand(double noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSt5isinfd(double noundef) local_unnamed_addr #0

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

attributes #0 = { 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 #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)"}


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