Author: dberris Date: Tue Oct 4 03:22:47 2016 New Revision: 283193 URL: http://llvm.org/viewvc/llvm-project?rev=283193&view=rev Log: [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 Added: cfe/trunk/test/Driver/xray-instrument.c Modified: cfe/trunk/lib/Driver/Tools.cpp Modified: cfe/trunk/lib/Driver/Tools.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=283193&r1=283192&r2=283193&view=diff ============================================================================== --- cfe/trunk/lib/Driver/Tools.cpp (original) +++ cfe/trunk/lib/Driver/Tools.cpp Tue Oct 4 03:22:47 2016 @@ -4777,7 +4777,20 @@ void Clang::ConstructJob(Compilation &C, 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)) { Added: cfe/trunk/test/Driver/xray-instrument.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/xray-instrument.c?rev=283193&view=auto ============================================================================== --- cfe/trunk/test/Driver/xray-instrument.c (added) +++ cfe/trunk/test/Driver/xray-instrument.c Tue Oct 4 03:22:47 2016 @@ -0,0 +1,3 @@ +// RUN: %clang -v -fxray-instrument -c %s +// XFAIL: armeb, aarch64, aarch64_be, avr, bpfel, bpfeb, hexagon, mips, mipsel, mips64, mips64el, msp430, ppc, ppc64, ppc64le, r600, amdgcn, sparc, sparcv9, sparcel, systemz, tce, thumb, thumbeb, x86-, xcore, nvptx, nvptx64, le32, le64, amdil, amdil64, hsail, hsail64, spir, spir64, kalimba, shave, lanai, wasm32, wasm64, renderscript32, renderscript64 +typedef int a; _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
