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1/// This test fails on Mac (https://bugs.llvm.org/show_bug.cgi?id=38134)2// XFAIL: darwin3 4// RUN: mkdir -p %t.d && cd %t.d5 6// RUN: %clang -E -DSHARED %s -o shared.c -dumpdir ./7// RUN: %clang --coverage -fPIC -shared shared.c -o libfunc.so -dumpdir ./8// RUN: test -f shared.gcno9 10/// Test the case where we exit abruptly after calling __gcov_dump, which means we don't write out the counters at exit.11// RUN: %clang -DEXIT_ABRUPTLY -DSHARED_CALL_BEFORE_FLUSH -DSHARED_CALL_AFTER_FLUSH --coverage %s -L%t.d -rpath %t.d -lfunc -o %t -dumpdir ./12// RUN: test -f gcov-shared-flush.gcno13 14// RUN: rm -f gcov-shared-flush.gcda shared.gcda15// RUN: %run %t16// RUN: llvm-cov gcov -t gcov-shared-flush.gcda | FileCheck %s --check-prefix=NO_WRITEOUT17// RUN: llvm-cov gcov -t shared.gcda | FileCheck %s --check-prefix=SHARED18 19// NO_WRITEOUT: -: [[#%u,L:]]:#ifdef EXIT_ABRUPTLY20// NO_WRITEOUT-NEXT: 1: [[#%u,L+1]]: _exit(0);21 22// SHARED: 1: {{[[0-9]+}}:void foo(int n)23 24/// Test the case where we exit normally and we have a call to the shared library function before __gcov_dump.25// RUN: %clang -DSHARED_CALL_BEFORE_FLUSH --coverage %s -L%t.d -rpath %t.d -lfunc -o %t -dumpdir ./26// RUN: test -f gcov-shared-flush.gcno27 28// RUN: rm -f gcov-shared-flush.gcda shared.gcda29// RUN: %run %t30// RUN: llvm-cov gcov -t gcov-shared-flush.gcda | FileCheck %s --check-prefix=BEFORE31// RUN: llvm-cov gcov -t shared.gcda | FileCheck %s --check-prefix=SHARED_ONCE32 33// BEFORE: -: {{[0-9]+}}:#ifdef SHARED_CALL_BEFORE_FLUSH34// BEFORE-NEXT: 1: {{[0-9]+}}: foo(1);35// BEFORE: 1: {{[0-9]+}}: __gcov_dump();36// BEFORE-NEXT: 1: {{[0-9]+}}: __gcov_reset();37// BEFORE: -: {{[0-9]+}}:#ifdef SHARED_CALL_AFTER_FLUSH38// BEFORE-NEXT: -: {{[0-9]+}}: foo(1);39// BEFORE: 1: {{[0-9]+}}: bar(5);40 41// SHARED_ONCE: 1: {{[0-9]+}}:void foo(int n)42 43// # Test the case where we exit normally and we have a call to the shared library function after __gcov_dump.44// RUN: %clang -DSHARED_CALL_AFTER_FLUSH --coverage %s -L%t.d -rpath %t.d -lfunc -o %t -dumpdir ./45// RUN: test -f gcov-shared-flush.gcno46 47// RUN: rm -f gcov-shared-flush.gcda shared.gcda48// RUN: %run %t49// RUN: llvm-cov gcov -t gcov-shared-flush.gcda | FileCheck %s --check-prefix=AFTER50// RUN: llvm-cov gcov -t shared.gcda > 2s.txt51 52// AFTER: -: {{[0-9]+}}:#ifdef SHARED_CALL_BEFORE_FLUSH53// AFTER-NEXT: -: {{[0-9]+}}: foo(1);54// AFTER: 1: {{[0-9]+}}: __gcov_dump();55// AFTER-NEXT: 1: {{[0-9]+}}: __gcov_reset();56// AFTER: -: {{[0-9]+}}:#ifdef SHARED_CALL_AFTER_FLUSH57// AFTER-NEXT: 1: {{[0-9]+}}: foo(1);58// AFTER: 1: {{[0-9]+}}: bar(5);59 60// # Test the case where we exit normally and we have calls to the shared library function before and after __gcov_dump.61// RUN: %clang -DSHARED_CALL_BEFORE_FLUSH -DSHARED_CALL_AFTER_FLUSH --coverage %s -L%t.d -rpath %t.d -lfunc -o %t -dumpdir ./62// RUN: test -f gcov-shared-flush.gcno63 64// RUN: rm -f gcov-shared-flush.gcda shared.gcda65// RUN: %run %t66// RUN: llvm-cov gcov -t gcov-shared-flush.gcda | FileCheck %s --check-prefix=BEFORE_AFTER67// RUN: llvm-cov gcov -t shared.gcda | FileCheck %s --check-prefix=SHARED_TWICE68 69// BEFORE_AFTER: -: {{[0-9]+}}:#ifdef SHARED_CALL_BEFORE_FLUSH70// BEFORE_AFTER-NEXT: 1: {{[0-9]+}}: foo(1);71// BEFORE_AFTER: 1: {{[0-9]+}}: __gcov_dump();72// BEFORE_AFTER-NEXT: 1: {{[0-9]+}}: __gcov_reset();73// BEFORE_AFTER: -: {{[0-9]+}}:#ifdef SHARED_CALL_AFTER_FLUSH74// BEFORE_AFTER-NEXT: 1: {{[0-9]+}}: foo(1);75// BEFORE_AFTER: 1: {{[0-9]+}}: bar(5);76 77// SHARED_TWICE: 2: {{[0-9]+}}:void foo(int n)78 79#ifdef SHARED80void foo(int n) {81}82#else83extern void foo(int n);84extern void __gcov_dump(void);85extern void __gcov_reset(void);86extern void _exit(int) __attribute__((noreturn));87 88int bar1 = 0;89int bar2 = 1;90 91void bar(int n) {92 if (n % 5 == 0)93 bar1++;94 else95 bar2++;96}97 98int main(int argc, char *argv[]) {99#ifdef SHARED_CALL_BEFORE_FLUSH100 foo(1);101#endif102 103 bar(5);104 __gcov_dump();105 __gcov_reset();106 bar(5);107 108#ifdef SHARED_CALL_AFTER_FLUSH109 foo(1);110#endif111 112#ifdef EXIT_ABRUPTLY113 _exit(0);114#endif115 116 bar(5);117 return 0;118}119#endif120