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Commit a35c64ce authored by skc7's avatar skc7
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[Clang][Attribute] Introduce maybe_undef attribute for function arguments... 

[Clang][Attribute] Introduce maybe_undef attribute for function arguments which accepts undef values

Add the ability to put __attribute__((maybe_undef)) on function arguments.
Clang codegen introduces a freeze instruction on the argument.

Differential Revision: https://reviews.llvm.org/D130224
parent cc47db67
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