diff options
| -rw-r--r-- | llvm_mode/afl-llvm-pass.so.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm_mode/afl-llvm-pass.so.cc b/llvm_mode/afl-llvm-pass.so.cc index e8f449b1..1c0a3c93 100644 --- a/llvm_mode/afl-llvm-pass.so.cc +++ b/llvm_mode/afl-llvm-pass.so.cc @@ -131,6 +131,20 @@ class AFLCoverage : public ModulePass { char AFLCoverage::ID = 0; +/* needed up to 3.9.0 */ +#if LLVM_VERSION_MAJOR == 3 && (LLVM_VERSION_MINOR < 9 || (LLVM_VERSION_MINOR == 9 && LLVM_VERSION_PATCH < 1)) +uint64_t PowerOf2Ceil(unsigned in) { + uint64_t in64 = in - 1; + in64 |= (in64 >> 1); + in64 |= (in64 >> 2); + in64 |= (in64 >> 4); + in64 |= (in64 >> 8); + in64 |= (in64 >> 16); + in64 |= (in64 >> 32); + return in64 + 1; +} +#endif + bool AFLCoverage::runOnModule(Module &M) { LLVMContext &C = M.getContext(); |