[clang] [llvm] target ABI: improve call parameters extensions handling (PR #100757)

[Nikita Popov via llvm-commits]

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@@ -1185,6 +1189,9 @@ Currently, only the following parameter attributes are defined:
     value should be sign-extended to the extent required by the target's
     ABI (which is usually 32-bits) by the caller (for a parameter) or
     the callee (for a return value).
+``noext`` This indicates to the code generator that the parameter or return
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nikic wrote:

Missing newline after attribute name.

https://github.com/llvm/llvm-project/pull/100757