1 | // UNSUPPORTED: target={{.*windows.*}} |
2 | // XFAIL: target={{.*}}-aix{{.*}} |
3 | // 1) Compile shared code into different object files and into an executable. |
4 | |
5 | // RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %s -c -o %t.v1.o \ |
6 | // RUN: -D_VERSION_1 |
7 | // RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %s -c -o %t.v2.o \ |
8 | // RUN: -D_VERSION_2 |
9 | // RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %t.v1.o %t.v2.o \ |
10 | // RUN: -o %t.exe |
11 | |
12 | // 2) Collect profile data. |
13 | |
14 | // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.exe |
15 | // RUN: llvm-profdata merge %t.profraw -o %t.profdata |
16 | |
17 | // 3) Generate coverage reports from the different object files and the exe. |
18 | |
19 | // RUN: llvm-cov show %t.v1.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V1-ONLY |
20 | // RUN: llvm-cov show %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V2,V2-ONLY |
21 | // RUN: llvm-cov show %t.v1.o -object %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V2 |
22 | // RUN: llvm-cov show %t.exe -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V2 |
23 | |
24 | // 4) Verify that coverage reporting on the aggregate coverage mapping shows |
25 | // hits for all code. (We used to arbitrarily pick a mapping from one binary |
26 | // and prefer it over others.) When only limited coverage information is |
27 | // available (just from one binary), don't try to guess any region counts. |
28 | |
29 | struct A { |
30 | A() {} // V1: [[@LINE]]{{ *}}|{{ *}}1 |
31 | // V1-ONLY: [[@LINE+1]]{{ *}}|{{ *}}| |
32 | A(int) {} // V2-ONLY: [[@LINE-2]]{{ *}}|{{ *}}| |
33 | // V2: [[@LINE-1]]{{ *}}|{{ *}}1 |
34 | }; |
35 | |
36 | #ifdef _VERSION_1 |
37 | |
38 | void foo(); |
39 | |
40 | void bar() { |
41 | A x; // V1: [[@LINE]]{{ *}}|{{ *}}1 |
42 | } |
43 | |
44 | int main() { |
45 | foo(); // V1: [[@LINE]]{{ *}}|{{ *}}1 |
46 | bar(); |
47 | return 0; |
48 | } |
49 | |
50 | #endif // _VERSION_1 |
51 | |
52 | #ifdef _VERSION_2 |
53 | |
54 | void foo() { |
55 | A x{0}; // V2: [[@LINE]]{{ *}}|{{ *}}1 |
56 | } |
57 | |
58 | #endif // _VERSION_2 |
59 | |