clang/test/CodeGen/xray-instruction-threshold.cpp

   1 // RUN: %clang_cc1 -fxray-instrument -fxray-instruction-threshold=1 -x c++ -std=c++11 -emit-llvm -o - %s -triple x86_64-unknown-linux-gnu | FileCheck %s
   2
   3 int foo() {
   4   return 1;
   5 }
   6
   7 [[clang::xray_never_instrument]] int bar() {
   8   return 2;
   9 }
  10
  11 // CHECK: define{{.*}} i32 @_Z3foov() #[[THRESHOLD:[0-9]+]] {
  12 // CHECK: define{{.*}} i32 @_Z3barv() #[[NEVERATTR:[0-9]+]] {
  13 // CHECK-DAG: attributes #[[THRESHOLD]] = {{.*}} "xray-instruction-threshold"="1" {{.*}}
  14 // CHECK-DAG: attributes #[[NEVERATTR]] = {{.*}} "function-instrument"="xray-never" {{.*}}