commit 4b1ac72cd47f11ec55239dfd2978d85fd8dfbaef
author Piotr Padlewski <prazek@google.com> Tue Sep 15 21:46:55 2015 +0000
committer Piotr Padlewski <prazek@google.com> Tue Sep 15 21:46:55 2015 +0000
tree adf2d1e5f704b886d2fe7a3f269c6cf509dc02d1
parent 9d0ecf27a70106392780bc5daaa048d0532579fc

Decorating vptr load & stores with !invariant.group

Adding !invariant.group to vptr load/stores for devirtualization purposes.
For more goto:
http://lists.llvm.org/pipermail/cfe-dev/2015-July/044227.html

http://reviews.llvm.org/D12026

llvm-svn: 247725

clang/lib/CodeGen/CGExprCXX.cpp

diff --git a/clang/lib/CodeGen/CGExprCXX.cpp b/clang/lib/CodeGen/CGExprCXX.cpp
index 1952282..7e0a6ab 100644
--- a/clang/lib/CodeGen/CGExprCXX.cpp
+++ b/clang/lib/CodeGen/CGExprCXX.cpp
@@ -258,7 +258,7 @@
   } else {
     if (SanOpts.has(SanitizerKind::CFINVCall) &&
         MD->getParent()->isDynamicClass()) {
-      llvm::Value *VTable = GetVTablePtr(This, Int8PtrTy);
+      llvm::Value *VTable = GetVTablePtr(This, Int8PtrTy, MD->getParent());
       EmitVTablePtrCheckForCall(MD, VTable, CFITCK_NVCall, CE->getLocStart());
     }