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Differential D52159

[Lexer] Add xray_instrument feature
ClosedPublic

Authored by phosek on Sep 16 2018, 5:37 PM.

Details

Reviewers
dberris
echristo
Commits
rG00f51c0904da: [Lexer] Add xray_instrument feature
rL342358: [Lexer] Add xray_instrument feature
rC342358: [Lexer] Add xray_instrument feature
Summary

This can be used to detect whether the code is being built with XRay
instrumentation using the __has_feature(xray_instrument) predicate.

Diff Detail

Repository
rC Clang

Event Timeline

phosek created this revision.Sep 16 2018, 5:37 PM
Herald added subscribers: Restricted Project, llvm-commits. · View Herald TranscriptSep 16 2018, 5:37 PM
phosek updated this revision to Diff 165705.Sep 16 2018, 5:48 PM
phosek edited the summary of this revision. (Show Details)
Herald added a subscriber: cfe-commits. · View Herald TranscriptSep 16 2018, 5:48 PM
echristo accepted this revision.Sep 16 2018, 6:42 PM
This revision is now accepted and ready to land.Sep 16 2018, 6:42 PM
dberris accepted this revision.Sep 16 2018, 7:54 PM
Closed by commit rC342358: [Lexer] Add xray_instrument feature (authored by phosek). · Explain WhySep 16 2018, 10:27 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
include/
clang/
Basic/
1 line
test/
Lexer/
11 lines

Diff 165712

include/clang/Basic/Features.def

Show All 31 Lines
#endif #endif
FEATURE(address_sanitizer, FEATURE(address_sanitizer,
LangOpts.Sanitize.hasOneOf(SanitizerKind::Address | LangOpts.Sanitize.hasOneOf(SanitizerKind::Address |
SanitizerKind::KernelAddress)) SanitizerKind::KernelAddress))
FEATURE(hwaddress_sanitizer, FEATURE(hwaddress_sanitizer,
LangOpts.Sanitize.hasOneOf(SanitizerKind::HWAddress | LangOpts.Sanitize.hasOneOf(SanitizerKind::HWAddress |
SanitizerKind::KernelHWAddress)) SanitizerKind::KernelHWAddress))
FEATURE(xray_instrument, LangOpts.XRayInstrument)
FEATURE(assume_nonnull, true) FEATURE(assume_nonnull, true)
FEATURE(attribute_analyzer_noreturn, true) FEATURE(attribute_analyzer_noreturn, true)
FEATURE(attribute_availability, true) FEATURE(attribute_availability, true)
FEATURE(attribute_availability_with_message, true) FEATURE(attribute_availability_with_message, true)
FEATURE(attribute_availability_app_extension, true) FEATURE(attribute_availability_app_extension, true)
FEATURE(attribute_availability_with_version_underscores, true) FEATURE(attribute_availability_with_version_underscores, true)
FEATURE(attribute_availability_tvos, true) FEATURE(attribute_availability_tvos, true)
FEATURE(attribute_availability_watchos, true) FEATURE(attribute_availability_watchos, true)
▲ Show 20 Lines • Show All 193 Lines • Show Last 20 Lines

test/Lexer/has_feature_xray_instrument.cpp

// 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