147 lines
2 KiB
ReStructuredText
147 lines
2 KiB
ReStructuredText
+--------------------------------+
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| layout: page |
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+--------------------------------+
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| title: Comparison Operations |
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+--------------------------------+
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Integer Comparision # {#icmp}
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=============================
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Predicates for use with ``icmp`` instruction are listed below. All of
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these are integer constants defined in the ``llvm.core`` module.
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``ICMP_EQ``
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-----------
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Equality
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``ICMP_NE``
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-----------
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Inequality
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``ICMP_UGT``
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------------
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Unsigned greater than
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``ICMP_UGE``
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------------
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Unsigned greater than or equal
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``ICMP_ULT``
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------------
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Unsigned less than
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``ICMP_ULE``
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------------
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Unsigned less than or equal
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``ICMP_SGT``
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------------
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Signed greater than
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``ICMP_SGE``
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------------
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Signed greater than or equal
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``ICMP_SLT``
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------------
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Signed less than
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``ICMP_SLE``
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------------
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Signed less than or equal
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Float Comparision # {#fcmp}
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===========================
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Predicates for use with ``fcmp`` instruction are listed below. All of
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these are integer constants defined in the ``llvm.core`` module.
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``FCMP_FALSE``
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--------------
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Always false
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``FCMP_OEQ``
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------------
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True if ordered and equal
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``FCMP_OGT``
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------------
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True if ordered and greater than
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``FCMP_OGE``
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------------
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True if ordered and greater than or equal
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``FCMP_OLT``
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------------
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True if ordered and less than
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``FCMP_OLE``
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------------
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True if ordered and less than or equal
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``FCMP_ONE``
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------------
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True if ordered and operands are unequal
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``FCMP_ORD``
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------------
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True if ordered (no NaNs)
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``FCMP_UNO``
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------------
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True if unordered: ``isnan(X) | isnan(Y)``
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``FCMP_UEQ``
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------------
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True if unordered or equal
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``FCMP_UGT``
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------------
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True if unordered or greater than
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``FCMP_UGE``
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------------
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True if unordered, greater than or equal
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``FCMP_ULT``
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------------
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True if unordered, or less than
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``FCMP_ULE``
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------------
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True if unordered, less than or equal
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``FCMP_UNE``
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------------
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True if unordered or not equal
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``FCMP_TRUE``
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-------------
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Always true
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