diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 5 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaDeclAttr.cpp | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index 2dc94d06f32..a61f13fb9ab 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -1421,13 +1421,16 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI, FuncAttrs.addAttribute(llvm::Attribute::NoReturn); } - // 'const' and 'pure' attribute functions are also nounwind. + // 'const', 'pure' and 'noalias' attributed functions are also nounwind. if (TargetDecl->hasAttr<ConstAttr>()) { FuncAttrs.addAttribute(llvm::Attribute::ReadNone); FuncAttrs.addAttribute(llvm::Attribute::NoUnwind); } else if (TargetDecl->hasAttr<PureAttr>()) { FuncAttrs.addAttribute(llvm::Attribute::ReadOnly); FuncAttrs.addAttribute(llvm::Attribute::NoUnwind); + } else if (TargetDecl->hasAttr<NoAliasAttr>()) { + FuncAttrs.addAttribute(llvm::Attribute::ArgMemOnly); + FuncAttrs.addAttribute(llvm::Attribute::NoUnwind); } if (TargetDecl->hasAttr<RestrictAttr>()) RetAttrs.addAttribute(llvm::Attribute::NoAlias); diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp index 191dbd05c9b..9ec3356d048 100644 --- a/clang/lib/Sema/SemaDeclAttr.cpp +++ b/clang/lib/Sema/SemaDeclAttr.cpp @@ -4723,6 +4723,9 @@ static void ProcessDeclAttribute(Sema &S, Scope *scope, Decl *D, case AttributeList::AT_Mode: handleModeAttr(S, D, Attr); break; + case AttributeList::AT_NoAlias: + handleSimpleAttribute<NoAliasAttr>(S, D, Attr); + break; case AttributeList::AT_NoCommon: handleSimpleAttribute<NoCommonAttr>(S, D, Attr); break; |
