diff options
Diffstat (limited to 'lib/CodeGen/Analysis.cpp')
-rw-r--r-- | lib/CodeGen/Analysis.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/Analysis.cpp b/lib/CodeGen/Analysis.cpp index d7214e8b58..09e30eba57 100644 --- a/lib/CodeGen/Analysis.cpp +++ b/lib/CodeGen/Analysis.cpp @@ -314,7 +314,8 @@ bool llvm::isInTailCallPosition(ImmutableCallSite CS, Attributes CalleeRetAttr, // the return. Ignore noalias because it doesn't affect the call sequence. const Function *F = ExitBB->getParent(); Attributes CallerRetAttr = F->getAttributes().getRetAttributes(); - if ((CalleeRetAttr ^ CallerRetAttr) & ~Attribute::NoAlias) + if (Attributes::Builder(CalleeRetAttr ^ CallerRetAttr) + .removeAttribute(Attributes::NoAlias).hasAttributes()) return false; // It's not safe to eliminate the sign / zero extension of the return value. @@ -355,7 +356,8 @@ bool llvm::isInTailCallPosition(SelectionDAG &DAG, SDNode *Node, // Conservatively require the attributes of the call to match those of // the return. Ignore noalias because it doesn't affect the call sequence. Attributes CallerRetAttr = F->getAttributes().getRetAttributes(); - if (CallerRetAttr & ~Attribute::NoAlias) + if (Attributes::Builder(CallerRetAttr) + .removeAttribute(Attributes::NoAlias).hasAttributes()) return false; // It's not safe to eliminate the sign / zero extension of the return value. |