59 lines · cpp
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_17// RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %s -c -o %t.v2.o \8// RUN: -D_VERSION_29// RUN: %clangxx_profgen -std=c++14 -fcoverage-mapping %t.v1.o %t.v2.o \10// RUN: -o %t.exe11 12// 2) Collect profile data.13 14// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.exe15// RUN: llvm-profdata merge %t.profraw -o %t.profdata16 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-ONLY20// RUN: llvm-cov show %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V2,V2-ONLY21// RUN: llvm-cov show %t.v1.o -object %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V222// RUN: llvm-cov show %t.exe -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V223 24// 4) Verify that coverage reporting on the aggregate coverage mapping shows25// hits for all code. (We used to arbitrarily pick a mapping from one binary26// and prefer it over others.) When only limited coverage information is27// available (just from one binary), don't try to guess any region counts.28 29struct A {30 A() {} // V1: [[@LINE]]{{ *}}|{{ *}}131 // V1-ONLY: [[@LINE+1]]{{ *}}|{{ *}}|32 A(int) {} // V2-ONLY: [[@LINE-2]]{{ *}}|{{ *}}|33 // V2: [[@LINE-1]]{{ *}}|{{ *}}134};35 36#ifdef _VERSION_137 38void foo();39 40void bar() {41 A x; // V1: [[@LINE]]{{ *}}|{{ *}}142}43 44int main() {45 foo(); // V1: [[@LINE]]{{ *}}|{{ *}}146 bar();47 return 0;48}49 50#endif // _VERSION_151 52#ifdef _VERSION_253 54void foo() {55 A x{0}; // V2: [[@LINE]]{{ *}}|{{ *}}156}57 58#endif // _VERSION_259