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Update docs for fast-math flags.

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This adds fneg, phi and select to the list of operations that may use
fast-math flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375250 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2019-10-18 16:07:09 +00:00
parent eab53d737b
commit 66b019de10
1 changed files with 3 additions and 2 deletions
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docs/LangRef.rst
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@@ -2459,9 +2459,10 @@ Code that requires different behavior than this should use the
Fast-Math Flags
---------------
LLVM IR floating-point operations (:ref:`fadd <i_fadd>`,
LLVM IR floating-point operations (:ref:`fneg <i_fneg>`, :ref:`fadd <i_fadd>`,
:ref:`fsub <i_fsub>`, :ref:`fmul <i_fmul>`, :ref:`fdiv <i_fdiv>`,
:ref:`frem <i_frem>`, :ref:`fcmp <i_fcmp>`) and :ref:`call <i_call>`
:ref:`frem <i_frem>`, :ref:`fcmp <i_fcmp>`), :ref:`phi <i_phi>`,
:ref:`select <i_select>` and :ref:`call <i_call>`
may use the following flags to enable otherwise unsafe
floating-point transformations.