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* Do not generate calls to fentry with __attribute__((no_instrument_function))Manoj Gupta2018-03-021-2/+9
| | | | | | | | | | | | | | | | | | | Summary: Currently only calls to mcount were suppressed with no_instrument_function attribute. Linux kernel requires that calls to fentry should also not be generated. This is an extended fix for PR PR33515. Reviewers: hfinkel, rengolin, srhines, rnk, rsmith, rjmccall, hans Reviewed By: rjmccall Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D43995 llvm-svn: 326639
* [X86] Teach Clang about -mfentry flagNirav Dave2017-01-311-0/+11
Replace mcount calls with calls to fentry. Reviewers: hfinkel, craig.topper Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D28001 llvm-svn: 293649
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