47 lines · cpp
1/// Test instrumentation can handle various linkages.2// RUN: %clang_profgen -fcoverage-mapping %s -o %t3// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t4// RUN: llvm-profdata show %t.profraw --all-functions | FileCheck %s5 6// RUN: %clang_profgen -fcoverage-mapping -ffunction-sections %if target={{.*-windows-msvc.*}} %{ -Wl,-opt:ref %} %s -o %t7// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t8// RUN: llvm-profdata show %t.profraw --all-functions | FileCheck %s9 10// CHECK: {{.*}}external{{.*}}:11// CHECK-NEXT: Hash:12// CHECK-NEXT: Counters: 113// CHECK-NEXT: Function count: 114// CHECK: {{.*}}weak{{.*}}:15// CHECK-NEXT: Hash:16// CHECK-NEXT: Counters: 117// CHECK-NEXT: Function count: 118// CHECK: main:19// CHECK-NEXT: Hash:20// CHECK-NEXT: Counters: 121// CHECK-NEXT: Function count: 122// CHECK: {{.*}}internal{{.*}}:23// CHECK-NEXT: Hash:24// CHECK-NEXT: Counters: 125// CHECK-NEXT: Function count: 126// CHECK: {{.*}}linkonce_odr{{.*}}:27// CHECK-NEXT: Hash:28// CHECK-NEXT: Counters: 129// CHECK-NEXT: Function count: 130 31#include <stdio.h>32 33void discarded0() {}34__attribute__((weak)) void discarded1() {}35 36void external() { puts("external"); }37__attribute__((weak)) void weak() { puts("weak"); }38static void internal() { puts("internal"); }39__attribute__((noinline)) inline void linkonce_odr() { puts("linkonce_odr"); }40 41int main() {42 internal();43 external();44 weak();45 linkonce_odr();46}47