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
36void foo(void) {}
37
38//--- main.c
39void foo(void);
40void bar(void) {}
41int main() {
42 foo();
43 bar();
44 return 0;
45}
46

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