1 | // UNSUPPORTED: target={{.*windows.*}} |
2 | // 1) Compile shared code into different object files and into an executable. |
3 | |
4 | // RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %s -c -o %t.v1.o \ |
5 | // RUN: -D_VERSION_1 |
6 | // RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %s -c -o %t.v2.o \ |
7 | // RUN: -D_VERSION_2 |
8 | // RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %t.v1.o %t.v2.o \ |
9 | // RUN: -o %t.exe |
10 | |
11 | // 2) Collect profile data. |
12 | |
13 | // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.exe |
14 | // RUN: llvm-profdata merge %t.profraw -o %t.profdata |
15 | |
16 | // 3) Generate coverage reports from the different object files and the exe. |
17 | |
18 | // RUN: llvm-cov show %t.v1.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V1-ONLY |
19 | // RUN: llvm-cov show %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V2,V2-ONLY |
20 | // RUN: llvm-cov show %t.v1.o -object %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V2 |
21 | // RUN: llvm-cov show %t.exe -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V2 |
22 | |
23 | // 4) Verify that coverage reporting on the aggregate coverage mapping shows |
24 | // hits for all code. (We used to arbitrarily pick a mapping from one binary |
25 | // and prefer it over others.) When only limited coverage information is |
26 | // available (just from one binary), don't try to guess any region counts. |
27 | |
28 | struct A { |
29 | A() {} // V1: [[@LINE]]{{ *}}|{{ *}}1 |
30 | // V1-ONLY: [[@LINE+1]]{{ *}}|{{ *}}| |
31 | A(int) {} // V2-ONLY: [[@LINE-2]]{{ *}}|{{ *}}| |
32 | // V2: [[@LINE-1]]{{ *}}|{{ *}}1 |
33 | }; |
34 | |
35 | #ifdef _VERSION_1 |
36 | |
37 | void foo(); |
38 | |
39 | void bar() { |
40 | A x; // V1: [[@LINE]]{{ *}}|{{ *}}1 |
41 | } |
42 | |
43 | int main() { |
44 | foo(); // V1: [[@LINE]]{{ *}}|{{ *}}1 |
45 | bar(); |
46 | return 0; |
47 | } |
48 | |
49 | #endif // _VERSION_1 |
50 | |
51 | #ifdef _VERSION_2 |
52 | |
53 | void foo() { |
54 | A x{0}; // V2: [[@LINE]]{{ *}}|{{ *}}1 |
55 | } |
56 | |
57 | #endif // _VERSION_2 |
58 | |