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[Docs] Store to poison is the canonical form for non-terminator unreachable #98910

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Jul 15, 2024
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[Docs] Store to poison is the canonical form for non-terminator unreachable #98910

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4 changes: 3 additions & 1 deletion llvm/docs/Frontend/PerformanceTips.rst
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Expand Up @@ -206,7 +206,9 @@ Other Things to Consider
that fact is critical for optimization purposes. Assumes are a great
prototyping mechanism, but they can have negative effects on both compile
time and optimization effectiveness. The former is fixable with enough
effort, but the later is fairly fundamental to their designed purpose.
effort, but the later is fairly fundamental to their designed purpose. If
you are creating a non-terminator unreachable instruction or passing a false
value, use the ``store i1 true, ptr poison, align 1`` canonical form.


Describing Language Specific Properties
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