Make MBAObfuscation faster by caching used coefficients

bluesadi · Dec 25, 2023 · 5e1fbef · 5e1fbef
1 parent e35772d
commit 5e1fbef
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Showing 2 changed files with 1 addition and 6 deletions.
diff --git a/llvm/lib/Transforms/Obfuscation/MBAUtils.cpp b/llvm/lib/Transforms/Obfuscation/MBAUtils.cpp
@@ -37,11 +37,6 @@ int64_t *MBAUtils::generateLinearMBA(int numExprs) {
     static std::queue<int64_t *> cached_coeffs;
     if (cached_coeffs.size() && cryptoutils->get_range(10) < 8) {
         int64_t *coeffs = cached_coeffs.front();
-        outs() << "[DEBUG] Use cached coefficients:";
-        for (int i = 0; i < 15; i++) {
-            outs() << " " << coeffs[i];
-        }
-        outs() << "\n";
         cached_coeffs.pop();
         return coeffs;
     }

diff --git a/tests/test-json.sh b/tests/test-json.sh
@@ -9,4 +9,4 @@ cmake -B build \
       -DCMAKE_CXX_COMPILER=$CXX \
       -DCMAKE_CXX_FLAGS="$CXX_FLAGS"
 ninja -j`nproc` -C build
-ninja test
+ninja -C build test