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[PGO] add a test for available_externally functions 

llvm-svn: 262161
This commit is contained in:
Xinliang David Li 2016-02-28 00:45:13 +00:00
parent f09a6b3adb
commit adbb7b7b57
5 changed files with 78 additions and 0 deletions
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14
compiler-rt/test/profile/Inputs/extern_template.cpp Normal file
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#define DEF
#include "extern_template.h"
#undef DEF
extern int bar();
extern int foo();
extern Test<int> TO;
int main() {
foo();
int R = bar();
if (R != 10)
return 1;
return 0;
}

17
compiler-rt/test/profile/Inputs/extern_template.h Normal file
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template <typename T> struct Test {
Test() : M(10) {}
void doIt(int N) { // CHECK: 2| [[@LINE]]| void doIt
if (N > 10) { // CHECK: 2| [[@LINE]]| if (N > 10) {
M += 2; // CHECK: 1| [[@LINE]]| M += 2;
} else // CHECK: 1| [[@LINE]]| } else
M -= 2; // CHECK: 1| [[@LINE]]| M -= 2;
}
T M;
};
#ifdef USE
extern template struct Test<int>;
#endif
#ifdef DEF
template struct Test<int>;
#endif

9
compiler-rt/test/profile/Inputs/extern_template1.cpp Normal file
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#define USE
#include "extern_template.h"
#undef USE
Test<int> TO;
int foo() {
TO.doIt(20);
return TO.M;
}

9
compiler-rt/test/profile/Inputs/extern_template2.cpp Normal file
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#define USE
#include "extern_template.h"
#undef USE
extern Test<int> TO;
int bar() {
TO.doIt(5);
return TO.M;
}

29
compiler-rt/test/profile/Linux/extern_template.test Normal file
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// RUN: %clang -O2 -c -o %t.0.o %S/../Inputs/extern_template.cpp
// RUN: %clang_profgen -O2 -c -o %t.o %S/../Inputs/extern_template.cpp
// RUN: %clang_profgen -O2 -fcoverage-mapping %S/../Inputs/extern_template1.cpp %S/../Inputs/extern_template2.cpp %t.o -o %t
// RUN: env LLVM_PROFILE_FILE=%t.profraw %t
// RUN: llvm-profdata show --all-functions %t.profraw | FileCheck %s
// RUN: llvm-profdata merge -o %t.profdata %t.profraw
// RUN: llvm-cov show -instr-profile=%t.profdata %t | FileCheck %S/../Inputs/extern_template.h
// RUN: %clang_profgen -O2 -fcoverage-mapping %S/../Inputs/extern_template1.cpp %S/../Inputs/extern_template2.cpp %t.0.o -o %t.0
// RUN: env LLVM_PROFILE_FILE=%t.0.profraw %t.0
// RUN: llvm-profdata show --all-functions %t.0.profraw | FileCheck %s
// RUN: llvm-profdata merge -o %t.0.profdata %t.0.profraw
// RUN: llvm-cov show -instr-profile=%t.0.profdata %t.0 | FileCheck %S/../Inputs/extern_template.h
#define DEF
#include "extern_template.h"
#undef DEF
extern int bar();
extern int foo();
extern Test<int> TO;
int main() {
foo();
int R = bar();
if (R != 10)
return 1;
return 0;
}
// No duplicate entries
// CHECK: _ZN4TestIiE4doItEi:
// CHECK-NOT: _ZN4TestIiE4doItEi: