clang/test/CodeGenCXX/instrument-functions.cpp

   1 // RUN: %clang_cc1 -S -emit-llvm -triple %itanium_abi_triple -o - %s -finstrument-functions -disable-llvm-passes | FileCheck %s
   2
   3 int test1(int x) {
   4 // CHECK: @_Z5test1i(i32 {{.*}}%x) #[[ATTR1:[0-9]+]]
   5 // CHECK: ret
   6   return x;
   7 }
   8
   9 int test2(int) __attribute__((no_instrument_function));
  10 int test2(int x) {
  11 // CHECK: @_Z5test2i(i32 {{.*}}%x) #[[ATTR2:[0-9]+]]
  12 // CHECK: ret
  13   return x;
  14 }
  15
  16 // CHECK: attributes #[[ATTR1]] =
  17 // CHECK-SAME: "instrument-function-entry"="__cyg_profile_func_enter"
  18 // CHECK-SAME: "instrument-function-exit"="__cyg_profile_func_exit"
  19
  20 // CHECK: attributes #[[ATTR2]] =
  21 // CHECK-NOT: "instrument-function-entry"
  22
  23
  24 // This test case previously crashed code generation.  It exists solely
  25 // to test -finstrument-function does not crash codegen for this trivial
  26 // case.
  27 namespace rdar9445102 {
  28   class Rdar9445102 {
  29     public:
  30       Rdar9445102();
  31   };
  32 }
  33 static rdar9445102::Rdar9445102 s_rdar9445102Initializer;
  34