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| author | Dean Michael Berris <dberris@google.com> | 2016-10-27 04:56:14 +0000 |
|---|---|---|
| committer | Dean Michael Berris <dberris@google.com> | 2016-10-27 04:56:14 +0000 |
| commit | f469cb9045d1cd2b66e080462f472ba47d913d3f (patch) | |
| tree | 3e81defb0bb386ab799b3528be6e72275d0ad05e /clang/lib/Driver/Tools.cpp | |
| parent | f8520559ce1be64c9f4f0abae7e5e1494341892d (diff) | |
| download | llvm-f469cb9045d1cd2b66e080462f472ba47d913d3f.zip llvm-f469cb9045d1cd2b66e080462f472ba47d913d3f.tar.gz llvm-f469cb9045d1cd2b66e080462f472ba47d913d3f.tar.bz2 | |
[XRay] Check in Clang whether XRay supports the target when -fxray-instrument is passed
Summary:
Added the code which explicitly emits an error in Clang in case
`-fxray-instrument` is passed, but XRay is not supported for the
selected target.
Reviewers: rsmith, aaron.ballman, rnk, dberris
Differential Revision: https://reviews.llvm.org/D24799
llvm-svn: 285266
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 74e3681..36b4c95 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -4810,7 +4810,16 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Args.hasFlag(options::OPT_fxray_instrument, options::OPT_fnoxray_instrument, false)) { - CmdArgs.push_back("-fxray-instrument"); + const char *const XRayInstrumentOption = "-fxray-instrument"; + if (Triple.getOS() == llvm::Triple::Linux && + (Triple.getArch() == llvm::Triple::arm || + Triple.getArch() == llvm::Triple::x86_64)) { + // Supported. + } else { + D.Diag(diag::err_drv_clang_unsupported) + << (std::string(XRayInstrumentOption) + " on " + Triple.str()); + } + CmdArgs.push_back(XRayInstrumentOption); if (const Arg *A = Args.getLastArg(options::OPT_fxray_instruction_threshold_, options::OPT_fxray_instruction_threshold_EQ)) { |