Author: phosek Date: Sun Sep 16 22:25:47 2018 New Revision: 342358 URL: http://llvm.org/viewvc/llvm-project?rev=342358&view=rev Log: [Lexer] Add xray_instrument feature
This can be used to detect whether the code is being built with XRay instrumentation using the __has_feature(xray_instrument) predicate. Differential Revision: https://reviews.llvm.org/D52159 Added: cfe/trunk/test/Lexer/has_feature_xray_instrument.cpp Modified: cfe/trunk/include/clang/Basic/Features.def Modified: cfe/trunk/include/clang/Basic/Features.def URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Features.def?rev=342358&r1=342357&r2=342358&view=diff ============================================================================== --- cfe/trunk/include/clang/Basic/Features.def (original) +++ cfe/trunk/include/clang/Basic/Features.def Sun Sep 16 22:25:47 2018 @@ -37,6 +37,7 @@ FEATURE(address_sanitizer, FEATURE(hwaddress_sanitizer, LangOpts.Sanitize.hasOneOf(SanitizerKind::HWAddress | SanitizerKind::KernelHWAddress)) +FEATURE(xray_instrument, LangOpts.XRayInstrument) FEATURE(assume_nonnull, true) FEATURE(attribute_analyzer_noreturn, true) FEATURE(attribute_availability, true) Added: cfe/trunk/test/Lexer/has_feature_xray_instrument.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/has_feature_xray_instrument.cpp?rev=342358&view=auto ============================================================================== --- cfe/trunk/test/Lexer/has_feature_xray_instrument.cpp (added) +++ cfe/trunk/test/Lexer/has_feature_xray_instrument.cpp Sun Sep 16 22:25:47 2018 @@ -0,0 +1,11 @@ +// RUN: %clang_cc1 -E -fxray-instrument %s -o - | FileCheck --check-prefix=CHECK-XRAY %s +// RUN: %clang_cc1 -E %s -o - | FileCheck --check-prefix=CHECK-NO-XRAY %s + +#if __has_feature(xray_instrument) +int XRayInstrumentEnabled(); +#else +int XRayInstrumentDisabled(); +#endif + +// CHECK-XRAY: XRayInstrumentEnabled +// CHECK-NO-XRAY: XRayInstrumentDisabled _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
