1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index cf2754b1dd60..3274e36ab71a 100644
--- a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -1232,7 +1232,9 @@ bool AddressSanitizer::isInterestingAlloca(const AllocaInst &AI) {
        // dynamic alloca instrumentation for them as well.
        !AI.isUsedWithInAlloca() &&
        // swifterror allocas are register promoted by ISel
-       !AI.isSwiftError());
+       !AI.isSwiftError() &&
+       // safe allocas are not interesting
+       !(SSGI && SSGI->isSafe(AI)));
 
   ProcessedAllocas[&AI] = IsInteresting;
   return IsInteresting;