e185850ce7
Reverts llvm/llvm-project#105895 Still breaks the test https://green.lab.llvm.org/job/llvm.org/job/clang-stage1-RA/1864/
54 lines
2.1 KiB
C++
54 lines
2.1 KiB
C++
// A collection of various initializers which shouldn't trip up initialization
|
|
// order checking. If successful, this will just return 0.
|
|
|
|
// RUN: %clangxx_asan -O0 %s %p/Helpers/initialization-nobug-extra.cpp -o %t && %env_asan_opts=check_initialization_order=true:report_globals=3 %run %t 2>&1 | FileCheck %s --implicit-check-not "DynInitPoison"
|
|
// RUN: %clangxx_asan -O1 %s %p/Helpers/initialization-nobug-extra.cpp -o %t && %env_asan_opts=check_initialization_order=true:report_globals=3 %run %t 2>&1 | FileCheck %s --implicit-check-not "DynInitPoison"
|
|
// RUN: %clangxx_asan -O2 %s %p/Helpers/initialization-nobug-extra.cpp -o %t && %env_asan_opts=check_initialization_order=true:report_globals=3 %run %t 2>&1 | FileCheck %s --implicit-check-not "DynInitPoison"
|
|
// RUN: %clangxx_asan -O3 %s %p/Helpers/initialization-nobug-extra.cpp -o %t && %env_asan_opts=check_initialization_order=true:report_globals=3 %run %t 2>&1 | FileCheck %s --implicit-check-not "DynInitPoison"
|
|
|
|
// Simple access:
|
|
// Make sure that accessing a global in the same TU is safe
|
|
|
|
bool condition = true;
|
|
__attribute__((noinline, weak)) int initializeSameTU() {
|
|
return condition ? 0x2a : 052;
|
|
}
|
|
int sameTU = initializeSameTU();
|
|
|
|
// Linker initialized:
|
|
// Check that access to linker initialized globals originating from a different
|
|
// TU's initializer is safe.
|
|
|
|
int A = (1 << 1) + (1 << 3) + (1 << 5), B;
|
|
int getAB() {
|
|
return A * B;
|
|
}
|
|
|
|
// Function local statics:
|
|
// Check that access to function local statics originating from a different
|
|
// TU's initializer is safe.
|
|
|
|
int countCalls() {
|
|
static int calls;
|
|
return ++calls;
|
|
}
|
|
|
|
// Trivial constructor, non-trivial destructor.
|
|
struct StructWithDtor {
|
|
~StructWithDtor() { }
|
|
int value;
|
|
};
|
|
StructWithDtor struct_with_dtor;
|
|
int getStructWithDtorValue() { return struct_with_dtor.value; }
|
|
|
|
int main() { return 0; }
|
|
|
|
// CHECK: DynInitPoison
|
|
// CHECK: DynInitPoison
|
|
|
|
// In general case entire set of DynInitPoison must be followed by at lest one
|
|
// DynInitUnpoison. In some cases we can limit the number of DynInitUnpoison,
|
|
// see initialization-nobug-lld.cpp.
|
|
|
|
// CHECK: DynInitUnpoison
|