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| author | Nirav Dave <niravd@google.com> | 2017-01-31 17:00:35 +0000 |
|---|---|---|
| committer | Nirav Dave <niravd@google.com> | 2017-01-31 17:00:35 +0000 |
| commit | 0c86ccf4b418dde2d4b4d5b57a2aeae1e7d381fc (patch) | |
| tree | 698c1022857b6fe985efcd347f3a4fb3c29c5871 /clang/lib/Driver/Tools.cpp | |
| parent | a7c041d1477bdfd753f7155b2cb1fb739eaddb0f (diff) | |
| download | bcm5719-llvm-0c86ccf4b418dde2d4b4d5b57a2aeae1e7d381fc.tar.gz bcm5719-llvm-0c86ccf4b418dde2d4b4d5b57a2aeae1e7d381fc.zip | |
[X86] Teach Clang about -mfentry flag
Replace mcount calls with calls to fentry.
Reviewers: hfinkel, craig.topper
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D28001
llvm-svn: 293649
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 94d22190ecf..0e5511c5522 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -5483,6 +5483,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (getToolChain().SupportsProfiling()) Args.AddLastArg(CmdArgs, options::OPT_pg); + if (getToolChain().SupportsProfiling()) + Args.AddLastArg(CmdArgs, options::OPT_mfentry); + // -flax-vector-conversions is default. if (!Args.hasFlag(options::OPT_flax_vector_conversions, options::OPT_fno_lax_vector_conversions)) |
