| 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 | |