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LangRef: Note that calls also support fast math flags
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Authored by arsenm on Jan 9 2017, 12:22 PM.

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Summary

This is already documented on the call instruction, but
not in the list of supported instructions in the fast math
flag section.

arsenm retitled this revision from to LangRef: Note that calls also support fast math flags.

arsenm updated this object.

arsenm added a subscriber: llvm-commits.

LGTM.

This revision is now accepted and ready to land.Jan 9 2017, 12:35 PM

r291578

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	.. _fastmath:			.. _fastmath:

	Fast-Math Flags			Fast-Math Flags
	---------------			---------------

	LLVM IR floating-point binary ops (:ref:`fadd <i_fadd>`,			LLVM IR floating-point binary ops (:ref:`fadd <i_fadd>`,
	:ref:`fsub <i_fsub>`, :ref:`fmul <i_fmul>`, :ref:`fdiv <i_fdiv>`,			:ref:`fsub <i_fsub>`, :ref:`fmul <i_fmul>`, :ref:`fdiv <i_fdiv>`,
	:ref:`frem <i_frem>`, :ref:`fcmp <i_fcmp>`) have the following flags that can			:ref:`frem <i_frem>`, :ref:`fcmp <i_fcmp>`) and :ref:`call <i_call>`
	be set to enable otherwise unsafe floating point operations			instructions have the following flags that can be set to enable
				otherwise unsafe floating point transformations.

	``nnan``			``nnan``
	No NaNs - Allow optimizations to assume the arguments and result are not			No NaNs - Allow optimizations to assume the arguments and result are not
	NaN. Such optimizations are required to retain defined behavior over			NaN. Such optimizations are required to retain defined behavior over
	NaNs, but the value of the result is undefined.			NaNs, but the value of the result is undefined.

	``ninf``			``ninf``
	No Infs - Allow optimizations to assume the arguments and result are not			No Infs - Allow optimizations to assume the arguments and result are not
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