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20dc6ef746
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
20 lines
830 B
C++
20 lines
830 B
C++
// RUN: echo "fun:*arg1*=arg1" >> %t.always-instrument
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// RUN: echo "[always]" > %t.xray-attrlist
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// RUN: echo "fun:*arg1*=arg1" >> %t.xray-attrlist
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// RUN: %clang_cc1 -fxray-instrument -x c++ -std=c++11 \
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// RUN: -fxray-always-instrument=%t.always-instrument -emit-llvm -o - %s \
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// RUN: -triple x86_64-unknown-linux-gnu | FileCheck %s
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// RUN: %clang_cc1 -fxray-instrument -x c++ -std=c++11 \
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// RUN: -fxray-attr-list=%t.xray-attrlist -emit-llvm -o - %s \
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// RUN: -triple x86_64-unknown-linux-gnu | FileCheck %s
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void foo() {}
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void arg1(void*) {}
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// CHECK: define void @_Z3foov() #[[FOO:[0-9]+]] {
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// CHECK: define void {{.*}}arg1{{.*}} #[[ALWAYSARG1:[0-9]+]] {
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// CHECK: attributes #[[FOO]] = {{.*}}
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// CHECK: attributes #[[ALWAYSARG1]] = {{.*}} "function-instrument"="xray-always" {{.*}} "xray-log-args"="1"
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