Add missing dereferenceable_or_null getters
Summary: Add missing dereferenceable_or_null getters required for
http://reviews.llvm.org/D9253 change. Separated from the D9253 review.
Patch by Artur Pilipenko!
Reviewers: sanjoy
Reviewed By: sanjoy
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9499
llvm-svn: 236615
diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp
index ced989a..aea4bf5 100644
--- a/llvm/lib/IR/Function.cpp
+++ b/llvm/lib/IR/Function.cpp
@@ -117,6 +117,12 @@
return getParent()->getDereferenceableBytes(getArgNo()+1);
}
+uint64_t Argument::getDereferenceableOrNullBytes() const {
+ assert(getType()->isPointerTy() &&
+ "Only pointers have dereferenceable bytes");
+ return getParent()->getDereferenceableOrNullBytes(getArgNo()+1);
+}
+
/// hasNestAttr - Return true if this argument has the nest attribute on
/// it in its containing function.
bool Argument::hasNestAttr() const {