1 files changed, 24 insertions, 1 deletions
diff --git a/contrib/llvm/lib/MC/MCValue.cpp b/contrib/llvm/lib/MC/MCValue.cpp
index 4393777..9dfc56e 100644
--- a/contrib/llvm/lib/MC/MCValue.cpp
+++ b/contrib/llvm/lib/MC/MCValue.cpp
@@ -10,6 +10,7 @@
 #include "llvm/MC/MCValue.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
@@ -20,6 +21,11 @@ void MCValue::print(raw_ostream &OS, const MCAsmInfo *MAI) const {
     return;
   }
 
+  // FIXME: prints as a number, which isn't ideal. But the meaning will be
+  // target-specific anyway.
+  if (getRefKind())
+    OS << ':' << getRefKind() <<  ':';
+
   getSymA()->print(OS);
 
   if (getSymB()) {
@@ -33,6 +39,23 @@ void MCValue::print(raw_ostream &OS, const MCAsmInfo *MAI) const {
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 void MCValue::dump() const {
-  print(dbgs(), 0);
+  print(dbgs(), nullptr);
 }
 #endif
+
+MCSymbolRefExpr::VariantKind MCValue::getAccessVariant() const {
+  const MCSymbolRefExpr *B = getSymB();
+  if (B) {
+    if (B->getKind() != MCSymbolRefExpr::VK_None)
+      llvm_unreachable("unsupported");
+  }
+
+  const MCSymbolRefExpr *A = getSymA();
+  if (!A)
+    return MCSymbolRefExpr::VK_None;
+
+  MCSymbolRefExpr::VariantKind Kind = A->getKind();
+  if (Kind == MCSymbolRefExpr::VK_WEAKREF)
+    return MCSymbolRefExpr::VK_None;
+  return Kind;
+}