[LangRef] update according to unwinding support in inline asm · llvm/llvm-project@22f635b (original) (raw)

`@@ -4303,9 +4303,20 @@ the only supported dialects. An example is:

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` call void asm inteldialect "eieio", ""()

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If multiple keywords appear the '``sideeffect``' keyword must come

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first, the '``alignstack``' keyword second and the '``inteldialect``'

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keyword last.

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In the case that the inline asm might unwind the stack,

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the '``unwind``' keyword must be used, so that the compiler emits

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unwinding information:

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.. code-block:: llvm

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call void asm unwind "call func", ""()

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If the inline asm unwinds the stack and isn't marked with

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the '``unwind``' keyword, the behavior is undefined.

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If multiple keywords appear, the '``sideeffect``' keyword must come

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first, the '``alignstack``' keyword second, the '``inteldialect``' keyword

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third and the '``unwind``' keyword last.

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`Inline Asm Constraint String

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`^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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