1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp
index 63665d8..493dec7 100644
--- a/llvm/lib/IR/Function.cpp
+++ b/llvm/lib/IR/Function.cpp
@@ -1165,6 +1165,18 @@ bool Function::nullPointerIsDefined() const {
   return hasFnAttribute(Attribute::NullPointerIsValid);
 }
 
+unsigned Function::getVScaleValue() const {
+  Attribute Attr = getFnAttribute(Attribute::VScaleRange);
+  if (!Attr.isValid())
+    return 0;
+
+  unsigned VScale = Attr.getVScaleRangeMin();
+  if (VScale && VScale == Attr.getVScaleRangeMax())
+    return VScale;
+
+  return 0;
+}
+
 bool llvm::NullPointerIsDefined(const Function *F, unsigned AS) {
   if (F && F->nullPointerIsDefined())
     return true;