diff options
Diffstat (limited to 'clang/lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index 6a80695771a..8857ffdde49 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -2041,22 +2041,6 @@ void CodeGenModule::ConstructAttributeList( Attrs.addAttribute(llvm::Attribute::Nest); else if (AI.getInReg()) Attrs.addAttribute(llvm::Attribute::InReg); - if (ArgNo == 0 && TargetDecl && isa<CXXConstructorDecl>(TargetDecl)) { - // C++ [class.ctor]p14: - // During the construction of an object, if the value of the object - // or any of its subobjects is accessed through a glvalue that is not - // obtained, directly or indirectly, from the constructor’s this - // pointer, the value of the object or subobject thus obtained is - // unspecified. - // - // We intentionally treat this behaviour as undefined by marking 'this' - // with noalias attribute and have recommended the Standard to be - // changed accordingly. - unsigned ThisIRArg, NumIRArgs; - std::tie(ThisIRArg, NumIRArgs) = IRFunctionArgs.getIRArgs(ArgNo); - assert((NumIRArgs == 1) && "unexpected IR mapping for 'this' argument"); - Attrs.addAttribute(llvm::Attribute::NoAlias); - } break; case ABIArgInfo::Indirect: { |
