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[Docs] Fix link in LoopTerminology (NFC) (#131138)

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The link should refer to the section of 'phi' Instruction in the
LangRef, but it referred to the subsection of 'fcmp' Instruction.
Replace it with appropriate one.
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Ryotaro Kasuga 2025-03-26 17:59:38 +09:00 committed by GitHub
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llvm/docs/LoopTerminology.rst
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@ -352,7 +352,7 @@ will be deleted by :ref:`-instcombine <passes-instcombine>`.
Note that an exit block is outside of a loop, so how can such a phi "close" Note that an exit block is outside of a loop, so how can such a phi "close"
the value inside the loop since it uses it outside of it ? First of all, the value inside the loop since it uses it outside of it ? First of all,
for phi nodes, as for phi nodes, as
`mentioned in the LangRef <https://llvm.org/docs/LangRef.html#id311>`_: `mentioned in the LangRef <https://llvm.org/docs/LangRef.html#phi-instruction>`_:
"the use of each incoming value is deemed to occur on the edge from the "the use of each incoming value is deemed to occur on the edge from the
corresponding predecessor block to the current block". Now, an corresponding predecessor block to the current block". Now, an
edge to an exit block is considered outside of the loop because edge to an exit block is considered outside of the loop because