52 lines · cpp
1/// Test instrumentation can handle various linkages.2// REQUIRES: lld-available3 4// FIXME: Investigate and fix.5// XFAIL: powerpc64-target-arch6 7// RUN: %clang_profgen -fcoverage-mapping %s -o %t8// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t9// RUN: llvm-profdata show %t.profraw --all-functions | FileCheck %s10 11// RUN: %clang_profgen -fcoverage-mapping -ffunction-sections -fuse-ld=lld -Wl,--gc-sections %s -o %t12// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t13// RUN: llvm-profdata show %t.profraw --all-functions | FileCheck %s14 15// CHECK: {{.*}}external{{.*}}:16// CHECK-NEXT: Hash:17// CHECK-NEXT: Counters: 118// CHECK-NEXT: Function count: 119// CHECK: {{.*}}weak{{.*}}:20// CHECK-NEXT: Hash:21// CHECK-NEXT: Counters: 122// CHECK-NEXT: Function count: 123// CHECK: main:24// CHECK-NEXT: Hash:25// CHECK-NEXT: Counters: 126// CHECK-NEXT: Function count: 127// CHECK: {{.*}}internal{{.*}}:28// CHECK-NEXT: Hash:29// CHECK-NEXT: Counters: 130// CHECK-NEXT: Function count: 131// CHECK: {{.*}}linkonce_odr{{.*}}:32// CHECK-NEXT: Hash:33// CHECK-NEXT: Counters: 134// CHECK-NEXT: Function count: 135 36#include <stdio.h>37 38void discarded0() {}39__attribute__((weak)) void discarded1() {}40 41void external() { puts("external"); }42__attribute__((weak)) void weak() { puts("weak"); }43static void internal() { puts("internal"); }44__attribute__((noinline)) inline void linkonce_odr() { puts("linkonce_odr"); }45 46int main() {47 internal();48 external();49 weak();50 linkonce_odr();51}52