[#llvm-KnownBits-isZero]
= xref:llvm.adoc[llvm]::xref:llvm/KnownBits.adoc[KnownBits]::isZero
:relfileprefix: ../../
:mrdocs:

Returns true if value is all zero.

== Synopsis

Declared in `<llvm/Support/KnownBits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isZero() const;
----

== Return Value

True if value is all zero.


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