forked from OSchip/llvm-project
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// 1) Compile shared code into different object files and into an executable.
|
|
|
|
// RUN: %clangxx_profgen -fcoverage-mapping %s -c -o %t.v1.o -D_VERSION_1
|
|
// RUN: %clangxx_profgen -fcoverage-mapping %s -c -o %t.v2.o -D_VERSION_2
|
|
// RUN: %clangxx_profgen -fcoverage-mapping %t.v1.o %t.v2.o -o %t.exe
|
|
|
|
// 2) Collect profile data.
|
|
|
|
// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.exe
|
|
// RUN: llvm-profdata merge %t.profraw -o %t.profdata
|
|
|
|
// 3) Generate coverage reports from the different object files and the exe.
|
|
|
|
// RUN: llvm-cov show %t.v1.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V1-ONLY
|
|
// RUN: llvm-cov show %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V2,V2-ONLY
|
|
// RUN: llvm-cov show %t.v1.o -object %t.v2.o -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V2
|
|
// RUN: llvm-cov show %t.exe -instr-profile=%t.profdata | FileCheck %s -check-prefixes=V1,V2
|
|
|
|
// 4) Verify that coverage reporting on the aggregate coverage mapping shows
|
|
// hits for all code. (We used to arbitrarily pick a mapping from one binary
|
|
// and prefer it over others.) When only limited coverage information is
|
|
// available (just from one binary), don't try to guess any region counts.
|
|
|
|
struct A {
|
|
A() {} // V1: [[@LINE]]{{ *}}|{{ *}}1
|
|
// V1-ONLY: [[@LINE+1]]{{ *}}|{{ *}}|
|
|
A(int) {} // V2-ONLY: [[@LINE-2]]{{ *}}|{{ *}}|
|
|
// V2: [[@LINE-1]]{{ *}}|{{ *}}1
|
|
};
|
|
|
|
#ifdef _VERSION_1
|
|
|
|
void foo();
|
|
|
|
void bar() {
|
|
A x; // V1: [[@LINE]]{{ *}}|{{ *}}1
|
|
}
|
|
|
|
int main() {
|
|
foo(); // V1: [[@LINE]]{{ *}}|{{ *}}1
|
|
bar();
|
|
return 0;
|
|
}
|
|
|
|
#endif // _VERSION_1
|
|
|
|
#ifdef _VERSION_2
|
|
|
|
void foo() {
|
|
A x{0}; // V2: [[@LINE]]{{ *}}|{{ *}}1
|
|
}
|
|
|
|
#endif // _VERSION_2
|