diff options
Diffstat (limited to 'lib/asan/lit_tests/TestCases/initialization-nobug.cc')
-rw-r--r-- | lib/asan/lit_tests/TestCases/initialization-nobug.cc | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/initialization-nobug.cc b/lib/asan/lit_tests/TestCases/initialization-nobug.cc new file mode 100644 index 000000000000..ed37d137f8cb --- /dev/null +++ b/lib/asan/lit_tests/TestCases/initialization-nobug.cc @@ -0,0 +1,48 @@ +// 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.cc -fsanitize=init-order -o %t +// RUN: ASAN_OPTIONS=check_initialization_order=true %t 2>&1 +// RUN: %clangxx_asan -O1 %s %p/Helpers/initialization-nobug-extra.cc -fsanitize=init-order -o %t +// RUN: ASAN_OPTIONS=check_initialization_order=true %t 2>&1 +// RUN: %clangxx_asan -O2 %s %p/Helpers/initialization-nobug-extra.cc -fsanitize=init-order -o %t +// RUN: ASAN_OPTIONS=check_initialization_order=true %t 2>&1 +// RUN: %clangxx_asan -O3 %s %p/Helpers/initialization-nobug-extra.cc -fsanitize=init-order -o %t +// RUN: ASAN_OPTIONS=check_initialization_order=true %t 2>&1 + +// Simple access: +// Make sure that accessing a global in the same TU is safe + +bool condition = true; +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; } |