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llvm-project/clang/test/CodeGen/xray-imbue-arg1.cpp

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[XRay][clang] Allow imbuing arg1 logging attribute via -fxray-always-instrument= Summary: This change allows us to add arg1 logging support to functions through the special case list provided through -fxray-always-instrument=. This is useful for adding arg1 logging to functions that are either in headers that users don't have control over (i.e. cannot change the source) or would rather not do. It only takes effect when the pattern is matched through the "fun:" special case, as a category. As in: fun:*pattern=arg1 Reviewers: pelikan, rnk Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D33392 llvm-svn: 303719
2017-05-24 13:46:36 +08:00
// RUN: echo "fun:*arg1*=arg1" >> %t.always-instrument
[XRay][llvm+clang] Consolidate attribute list files Summary: This change consolidates the always/never lists that may be provided to clang to externally control which functions should be XRay instrumented by imbuing attributes. The files follow the same format as defined in https://clang.llvm.org/docs/SanitizerSpecialCaseList.html for the sanitizer blacklist. We also deprecate the existing `-fxray-instrument-always=` and `-fxray-instrument-never=` flags, in favour of `-fxray-attr-list=`. This fixes http://llvm.org/PR34721. Reviewers: echristo, vlad.tsyrklevich, eugenis Reviewed By: vlad.tsyrklevich Subscribers: llvm-commits, cfe-commits Differential Revision: https://reviews.llvm.org/D45357 llvm-svn: 329543
2018-04-09 12:02:09 +08:00
// RUN: echo "[always]" > %t.xray-attrlist
// RUN: echo "fun:*arg1*=arg1" >> %t.xray-attrlist
// RUN: %clang_cc1 -fxray-instrument -x c++ -std=c++11 \
// RUN: -fxray-always-instrument=%t.always-instrument -emit-llvm -o - %s \
// RUN: -triple x86_64-unknown-linux-gnu | FileCheck %s
// RUN: %clang_cc1 -fxray-instrument -x c++ -std=c++11 \
// RUN: -fxray-attr-list=%t.xray-attrlist -emit-llvm -o - %s \
// RUN: -triple x86_64-unknown-linux-gnu | FileCheck %s
[XRay][clang] Allow imbuing arg1 logging attribute via -fxray-always-instrument= Summary: This change allows us to add arg1 logging support to functions through the special case list provided through -fxray-always-instrument=. This is useful for adding arg1 logging to functions that are either in headers that users don't have control over (i.e. cannot change the source) or would rather not do. It only takes effect when the pattern is matched through the "fun:" special case, as a category. As in: fun:*pattern=arg1 Reviewers: pelikan, rnk Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D33392 llvm-svn: 303719
2017-05-24 13:46:36 +08:00
void foo() {}
void arg1(void*) {}
[CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition Summary: Clang -fpic defaults to -fno-semantic-interposition (GCC -fpic defaults to -fsemantic-interposition). Users need to specify -fsemantic-interposition to get semantic interposition behavior. Semantic interposition is currently a best-effort feature. There may still be some cases where it is not handled well. Reviewers: peter.smith, rnk, serge-sans-paille, sfertile, jfb, jdoerfert Subscribers: dschuff, jyknight, dylanmckay, nemanjai, jvesely, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, arphaman, PkmX, jocewei, jsji, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D73865
2020-02-03 04:23:47 +08:00
// CHECK: define dso_local void @_Z3foov() #[[FOO:[0-9]+]] {
// CHECK: define dso_local void {{.*}}arg1{{.*}} #[[ALWAYSARG1:[0-9]+]] {
[XRay][clang] Allow imbuing arg1 logging attribute via -fxray-always-instrument= Summary: This change allows us to add arg1 logging support to functions through the special case list provided through -fxray-always-instrument=. This is useful for adding arg1 logging to functions that are either in headers that users don't have control over (i.e. cannot change the source) or would rather not do. It only takes effect when the pattern is matched through the "fun:" special case, as a category. As in: fun:*pattern=arg1 Reviewers: pelikan, rnk Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D33392 llvm-svn: 303719
2017-05-24 13:46:36 +08:00
// CHECK: attributes #[[FOO]] = {{.*}}
// CHECK: attributes #[[ALWAYSARG1]] = {{.*}} "function-instrument"="xray-always" {{.*}} "xray-log-args"="1"