diff options
| -rw-r--r-- | compiler-rt/lib/xray/xray_always_instrument.txt | 6 | ||||
| -rw-r--r-- | compiler-rt/lib/xray/xray_never_instrument.txt | 6 | ||||
| -rw-r--r-- | compiler-rt/test/xray/TestCases/always-never-instrument.cc | 21 |
3 files changed, 33 insertions, 0 deletions
diff --git a/compiler-rt/lib/xray/xray_always_instrument.txt b/compiler-rt/lib/xray/xray_always_instrument.txt new file mode 100644 index 00000000000..151ed703dd5 --- /dev/null +++ b/compiler-rt/lib/xray/xray_always_instrument.txt @@ -0,0 +1,6 @@ +# List of function matchers common to C/C++ applications that make sense to +# always instrument. You can use this as an argument to +# -fxray-always-instrument=<path> along with your project-specific lists. + +# Always instrument the main function. +fun:main diff --git a/compiler-rt/lib/xray/xray_never_instrument.txt b/compiler-rt/lib/xray/xray_never_instrument.txt new file mode 100644 index 00000000000..7fa48dda7e1 --- /dev/null +++ b/compiler-rt/lib/xray/xray_never_instrument.txt @@ -0,0 +1,6 @@ +# List of function matchers common to C/C++ applications that make sense to +# never instrument. You can use this as an argument to +# -fxray-never-instrument=<path> along with your project-specific lists. + +# Never instrument any function whose symbol starts with __xray. +fun:__xray* diff --git a/compiler-rt/test/xray/TestCases/always-never-instrument.cc b/compiler-rt/test/xray/TestCases/always-never-instrument.cc new file mode 100644 index 00000000000..990ee3eff0f --- /dev/null +++ b/compiler-rt/test/xray/TestCases/always-never-instrument.cc @@ -0,0 +1,21 @@ +// Test that the always/never instrument lists apply. +// RUN: echo "fun:main" > %tmp-always.txt +// RUN: echo "fun:__xray*" > %tmp-never.txt +// RUN: %clangxx_xray \ +// RUN: -fxray-never-instrument=%tmp-never.txt \ +// RUN: -fxray-always-instrument=%tmp-always.txt \ +// RUN: %s -o %t +// RUN: %llvm_xray extract -symbolize %t | \ +// RUN: FileCheck %s --check-prefix NOINSTR +// RUN: %llvm_xray extract -symbolize %t | \ +// RUN: FileCheck %s --check-prefix ALWAYSINSTR + +// NOINSTR-NOT: {{.*__xray_NeverInstrumented.*}} +int __xray_NeverInstrumented() { + return 0; +} + +// ALWAYSINSTR: {{.*function-name:.*main.*}} +int main(int argc, char *argv[]) { + return __xray_NeverInstrumented(); +} |
