compiler-rt/test/profile/Linux/binary-id-lookup.c

   1 // REQUIRES: linux
   2 // RUN: split-file %s %t
   3 // RUN: %clang_profgen -Wl,--build-id=0x12345678 -fcoverage-mapping -O2 -shared %t/foo.c -o %t/libfoo.so
   4 // RUN: %clang_profgen -Wl,--build-id=0xabcd1234 -fcoverage-mapping -O2 %t/main.c -L%t -lfoo -o %t.main
   5 // RUN: rm -rf %t.profdir
   6 // RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw LD_LIBRARY_PATH=%t %run %t.main
   7 // RUN: mkdir -p %t/.build-id/12 %t/.build-id/ab
   8 // RUN: cp %t/libfoo.so %t/.build-id/12/345678.debug
   9 // RUN: cp %t.main %t/.build-id/ab/cd1234.debug
  10 // RUN: llvm-profdata merge -o %t.profdata %t.profdir/default_*.profraw
  11
  12 // RUN: llvm-cov show -instr-profile %t.profdata -debug-file-directory %t | FileCheck %s
  13 // RUN: llvm-cov show -instr-profile %t.profdata %t/libfoo.so -sources %t/foo.c -object %t.main | FileCheck %s --check-prefix=FOO-ONLY
  14 // RUN: llvm-cov show -instr-profile %t.profdata -debug-file-directory %t -sources %t/foo.c | FileCheck %s --check-prefix=FOO-ONLY
  15 // RUN: llvm-cov show -instr-profile %t.profdata -debug-file-directory %t %t/libfoo.so -sources %t/foo.c | FileCheck %s --check-prefix=FOO-ONLY
  16
  17 // RUN: rm %t/.build-id/ab/cd1234.debug
  18 // RUN: llvm-cov show -instr-profile %t.profdata -debug-file-directory %t %t.main | FileCheck %s
  19 // RUN: llvm-cov show -instr-profile %t.profdata -debug-file-directory %t | FileCheck %s --check-prefix=FOO-ONLY
  20 // RUN: not llvm-cov show -instr-profile %t.profdata -debug-file-directory %t --check-binary-ids 2>&1 | FileCheck %s --check-prefix=MISSING-BINARY-ID -DFILENAME=%t.profdata
  21
  22 // RUN: echo "bad" > %t/.build-id/ab/cd1234.debug
  23 // RUN: llvm-cov show -instr-profile %t.profdata -debug-file-directory %t %t.main | FileCheck %s
  24
  25 // RUN: not llvm-cov show -instr-profile %t.profdata -debug-file-directory %t/empty 2>&1 | FileCheck %s --check-prefix=NODATA
  26
  27 // CHECK: 1| 1|void foo(void) {}
  28 // CHECK: 2| 1|void bar(void) {}
  29 // CHECK: 3| 1|int main() {
  30
  31 // FOO-ONLY: 1| 1|void foo(void) {}
  32 // MISSING-BINARY-ID: error: failed to load coverage: '[[FILENAME]]': Missing binary ID: abcd1234
  33 // NODATA: error: failed to load coverage: '': no coverage data found
  34
  35 //--- foo.c
  36 void foo(void) {}
  37
  38 //--- main.c
  39 void foo(void);
  40 void bar(void) {}
  41 int main() {
  42   foo();
  43   bar();
  44   return 0;
  45 }