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3 Commits

Author SHA1 Message Date
Oren Ben Simhon 220671a080 Adding nocf_check attribute for cf-protection fine tuning 
The patch adds nocf_check target independent attribute for disabling checks that were enabled by cf-protection flag.
The attribute can be appertained to functions and function pointers.
Attribute name follows GCC's similar attribute name.

Differential Revision: https://reviews.llvm.org/D41880

llvm-svn: 327768
 2018-03-17 13:31:35 +00:00
Alexander Kornienko bb3c2432fa Explicitly specify output file. 
Otherwise the test fails when LLVM sources are on a read-only partition.

llvm-svn: 322082
 2018-01-09 15:05:13 +00:00
Oren Ben Simhon 57cc1a5d77 Added Control Flow Protection Flag 
Cf-protection is a target independent flag that instructs the back-end to instrument control flow mechanisms like: Branch, Return, etc.
For example in X86 this flag will be used to instrument Indirect Branch Tracking instructions.

Differential Revision: https://reviews.llvm.org/D40478

Change-Id: I5126e766c0e6b84118cae0ee8a20fe78cc373dea
llvm-svn: 322063
 2018-01-09 08:53:59 +00:00