compiler-rt/test/xray/TestCases/Posix/always-never-instrument.cpp

   1 // Test that the always/never instrument lists apply.
   2 // RUN: echo "fun:main" > %tmp-always.txt
   3 // RUN: echo "fun:__xray*" > %tmp-never.txt
   4 // RUN: %clangxx_xray \
   5 // RUN:     -fxray-never-instrument=%tmp-never.txt \
   6 // RUN:     -fxray-always-instrument=%tmp-always.txt \
   7 // RUN:     %s -o %t
   8 // RUN: %llvm_xray extract -symbolize %t | \
   9 // RUN:    FileCheck %s --check-prefix NOINSTR
  10 // RUN: %llvm_xray extract -symbolize %t | \
  11 // RUN:    FileCheck %s --check-prefix ALWAYSINSTR
  12
  13 // REQUIRES: built-in-llvm-tree
  14
  15 // NOINSTR-NOT: {{.*__xray_NeverInstrumented.*}}
  16 int __xray_NeverInstrumented() {
  17   return 0;
  18 }
  19
  20 // ALWAYSINSTR: {{.*function-name:.*main.*}}
  21 int main(int argc, char *argv[]) {
  22   return __xray_NeverInstrumented();
  23 }