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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@342358
91177308-0d34-0410-b5e6-
96231b3b80d8
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)
--- /dev/null
+// 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