From 149c4f86c32127bfe9841b87e94b097946b5c478 Mon Sep 17 00:00:00 2001 From: Dean Michael Berris Date: Tue, 4 Oct 2016 08:22:47 +0000 Subject: [XRay] Check in Clang whether XRay supports the target when -fxray-instrument is passed 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. Author: rSerge Reviewers: dberris, rsmith, aaron.ballman, rnk Subscribers: cfe-commits, iid_iunknown Differential Revision: https://reviews.llvm.org/D24799 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@283193 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Driver/Tools.cpp | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'lib/Driver') diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 5138d7528d..80feca4ed9 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -4777,7 +4777,20 @@ 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"; + switch (getToolChain().getArch()) { + case llvm::Triple::arm: + case llvm::Triple::x86_64: + break; + default: { + std::string Feature(XRayInstrumentOption); + Feature += " on "; + Feature += Triple.getArchName().data(); + D.Diag(diag::err_drv_clang_unsupported) << Feature; + break; + } + } + CmdArgs.push_back(XRayInstrumentOption); if (const Arg *A = Args.getLastArg(options::OPT_fxray_instruction_threshold_, options::OPT_fxray_instruction_threshold_EQ)) { -- cgit v1.2.1