clang/test/Profile/cxx-indirect-call.cpp

   1 // Check the value profiling intrinsics emitted by instrumentation.
   2
   3 // RUN: %clang_cc1 %s -o - -emit-llvm -fprofile-instrument=clang -mllvm -enable-value-profiling -fexceptions -fcxx-exceptions -triple x86_64-apple-macosx10.9 | FileCheck %s
   4
   5 void (*foo) (void);
   6
   7 int main(int argc, const char *argv[]) {
   8 // CHECK:  [[REG1:%[0-9]+]] = load ptr, ptr @foo
   9 // CHECK-NEXT:  [[REG2:%[0-9]+]] = ptrtoint ptr [[REG1]] to i64
  10 // CHECK-NEXT:  call void @__llvm_profile_instrument_target(i64 [[REG2]], ptr @__profd_main, i32 0)
  11 // CHECK-NEXT:  invoke void [[REG1]]()
  12   try {
  13     foo();
  14   } catch (int) {}
  15   return 0;
  16 }
  17
  18 // CHECK: declare void @__llvm_profile_instrument_target(i64, ptr, i32)
  19
  20
  21