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This patch implements `__attribute__((target("branch-protection=...")))`
in a manner, compatible with the analogous GCC feature:
https://gcc.gnu.org/onlinedocs/gcc-9.2.0/gcc/AArch64-Function-Attributes.html#AArch64-Function-Attributes
Differential Revision: https://reviews.llvm.org/D68711
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There were a few issues previously with the target
attribute diagnostics implementation that lead to the
attribute being added to the AST despite having an error
in it.
This patch changes that, and adds a test to ensure it
does not get added to the AST.
Differential Revision: https://reviews.llvm.org/D43359
llvm-svn: 325364
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Add more diagnosis for the non-multiversioning case.
Differential Revision: https://reviews.llvm.org/D35573
llvm-svn: 308539
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tests accordingly.
llvm-svn: 239635
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Since we're ignoring the tune= and fpmath= attributes go ahead
and add a warning alerting people to the fact that we're going
to ignore that part of it during code generation and tie it to
the attribute warning set.
llvm-svn: 239583
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Modeled after the gcc attribute of the same name, this feature
allows source level annotations to correspond to backend code
generation. In llvm particular parlance, this allows the adding
of subtarget features and changing the cpu for a particular function
based on source level hints.
This has been added into the existing support for function level
attributes without particular verification for any target outside
of whether or not the backend will support the features/cpu given
(similar to section, etc).
llvm-svn: 239579
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