[asan] Rename the ABI versioning symbol to '__asan_version_mismatch_check' instead...

[oota-llvm.git] / lib / Transforms / Utils / ModuleUtils.cpp

diff --git a/lib/Transforms/Utils/ModuleUtils.cpp b/lib/Transforms/Utils/ModuleUtils.cpp
index d69a81ec47415c651a2dfcdb0683f6afd7711828..c5abf76d93faa3c36caec8eff090f88501f7527d 100644 (file)
--- a/lib/Transforms/Utils/ModuleUtils.cpp
+++ b/lib/Transforms/Utils/ModuleUtils.cpp
@@ -107,7 +107,8 @@ Function *llvm::checkSanitizerInterfaceFunction(Constant *FuncOrBitcast) {
 
 std::pair<Function *, Function *> llvm::createSanitizerCtorAndInitFunctions(
     Module &M, StringRef CtorName, StringRef InitName,
-    ArrayRef<Type *> InitArgTypes, ArrayRef<Value *> InitArgs) {
+    ArrayRef<Type *> InitArgTypes, ArrayRef<Value *> InitArgs,
+    StringRef VersionCheckName) {
   assert(!InitName.empty() && "Expected init function name");
   assert(InitArgTypes.size() == InitArgTypes.size() &&
          "Sanitizer's init function expects different number of arguments");
@@ -122,6 +123,13 @@ std::pair<Function *, Function *> llvm::createSanitizerCtorAndInitFunctions(
           AttributeSet()));
   InitFunction->setLinkage(Function::ExternalLinkage);
   IRB.CreateCall(InitFunction, InitArgs);
+  if (!VersionCheckName.empty()) {
+    Function *VersionCheckFunction =
+        checkSanitizerInterfaceFunction(M.getOrInsertFunction(
+            VersionCheckName, FunctionType::get(IRB.getVoidTy(), {}, false),
+            AttributeSet()));
+    IRB.CreateCall(VersionCheckFunction, {});
+  }
   return std::make_pair(Ctor, InitFunction);
 }