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Author SHA1 Message Date
skc7 09c4121123 Revert "Revert "[Clang][Attribute] Introduce maybe_undef attribute for function arguments which accepts undef values"" 
This reverts commit 4e1fe96.

Reverting this commit and fix the tests that caused failures due to
a35c64c.
 2022-07-29 19:07:07 +00:00
Amy Kwan 4e1fe968c9 Revert "[Clang][Attribute] Introduce maybe_undef attribute for function arguments which accepts undef values" 
This reverts commit a35c64ce23.

Reverting this commit as it causes various failures on LE and BE PPC bots.
 2022-07-29 13:28:48 -05:00
skc7 a35c64ce23 [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
 2022-07-29 02:27:26 +00:00