Extend 'readonly' and 'readnone' to work on function arguments as well as

[oota-llvm.git] / lib / IR / Attributes.cpp

diff --git a/lib/IR/Attributes.cpp b/lib/IR/Attributes.cpp
index e48ebb133527f46e4a095b98b1b41e06127a5c7b..59da815663dadc98cdf21605964754671c60e89e 100644 (file)
--- a/lib/IR/Attributes.cpp
+++ b/lib/IR/Attributes.cpp
@@ -157,6 +157,8 @@ std::string Attribute::getAsString(bool InAttrGrp) const {
     return "sanitize_address";
   if (hasAttribute(Attribute::AlwaysInline))
     return "alwaysinline";
+  if (hasAttribute(Attribute::Builtin))
+    return "builtin";
   if (hasAttribute(Attribute::ByVal))
     return "byval";
   if (hasAttribute(Attribute::InlineHint))
@@ -399,6 +401,7 @@ uint64_t AttributeImpl::getAttrMask(Attribute::AttrKind Val) {
   case Attribute::NoBuiltin:       return 1ULL << 38;
   case Attribute::Returned:        return 1ULL << 39;
   case Attribute::Cold:            return 1ULL << 40;
+  case Attribute::Builtin:         return 1ULL << 41;
   }
   llvm_unreachable("Unsupported attribute type");
 }
@@ -1154,6 +1157,8 @@ AttributeSet AttributeFuncs::typeIncompatible(Type *Ty, uint64_t Index) {
       .addAttribute(Attribute::Nest)
       .addAttribute(Attribute::NoAlias)
       .addAttribute(Attribute::NoCapture)
+      .addAttribute(Attribute::ReadNone)
+      .addAttribute(Attribute::ReadOnly)
       .addAttribute(Attribute::StructRet);
 
   return AttributeSet::get(Ty->getContext(), Index, Incompatible);