[PATCH] ASan: Use `createSanitizerCtor` to create ctor, and call `__asan_init`

[Ismail Pazarbasi]

Hi kcc, samsonov,

http://reviews.llvm.org/D8778

Files:
  lib/Transforms/Instrumentation/AddressSanitizer.cpp

Index: lib/Transforms/Instrumentation/AddressSanitizer.cpp
===================================================================
--- lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -1452,16 +1452,8 @@
   IntptrTy = Type::getIntNTy(*C, LongSize);
   TargetTriple = Triple(M.getTargetTriple());
 
-  AsanCtorFunction =
-      Function::Create(FunctionType::get(Type::getVoidTy(*C), false),
-                       GlobalValue::InternalLinkage, kAsanModuleCtorName, &M);
-  BasicBlock *AsanCtorBB = BasicBlock::Create(*C, "", AsanCtorFunction);
-  // call __asan_init in the module ctor.
-  IRBuilder<> IRB(ReturnInst::Create(*C, AsanCtorBB));
-  AsanInitFunction = checkInterfaceFunction(
-      M.getOrInsertFunction(kAsanInitName, IRB.getVoidTy(), nullptr));
-  AsanInitFunction->setLinkage(Function::ExternalLinkage);
-  IRB.CreateCall(AsanInitFunction);
+  AsanCtorFunction = createSanitizerCtor(M, kAsanModuleCtorName, kAsanInitName,
+                                         &AsanInitFunction);
 
   Mapping = getShadowMapping(TargetTriple, LongSize);

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D8778.23070.patch
Type: text/x-patch
Size: 1119 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20150401/ce9ae516/attachment.bin>