[MC/AsmParser] Avoid setting MCSymbol.IsUsed in some cases

[oota-llvm.git] / include / llvm / MC / MCValue.h

diff --git a/include/llvm/MC/MCValue.h b/include/llvm/MC/MCValue.h
index f4ea5113f42a8835badc973ee4ebe2782c4dd0ed..6bdf43685f211c131dfcc40a8255621e0de2ec84 100644 (file)
--- a/include/llvm/MC/MCValue.h
+++ b/include/llvm/MC/MCValue.h
@@ -14,20 +14,20 @@
 #ifndef LLVM_MC_MCVALUE_H
 #define LLVM_MC_MCVALUE_H
 
+#include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/DataTypes.h"
 #include <cassert>
 
 namespace llvm {
 class MCAsmInfo;
-class MCSymbol;
-class MCSymbolRefExpr;
 class raw_ostream;
 
-/// MCValue - This represents an "assembler immediate".  In its most
-/// general form, this can hold ":Kind:(SymbolA - SymbolB + imm64)".
-/// Not all targets supports relocations of this general form, but we
-/// need to represent this anyway.
+/// \brief This represents an "assembler immediate".
+///
+///  In its most general form, this can hold ":Kind:(SymbolA - SymbolB +
+///  imm64)".  Not all targets supports relocations of this general form, but we
+///  need to represent this anyway.
 ///
 /// In general both SymbolA and SymbolB will also have a modifier
 /// analogous to the top-level Kind. Current targets are not expected
@@ -52,16 +52,19 @@ public:
   const MCSymbolRefExpr *getSymB() const { return SymB; }
   uint32_t getRefKind() const { return RefKind; }
 
-  /// isAbsolute - Is this an absolute (as opposed to relocatable) value.
+  /// \brief Is this an absolute (as opposed to relocatable) value.
   bool isAbsolute() const { return !SymA && !SymB; }
 
-  /// print - Print the value to the stream \p OS.
-  void print(raw_ostream &OS, const MCAsmInfo *MAI) const;
+  /// \brief Print the value to the stream \p OS.
+  void print(raw_ostream &OS) const;
 
-  /// dump - Print the value to stderr.
+  /// \brief Print the value to stderr.
   void dump() const;
 
-  static MCValue get(const MCSymbolRefExpr *SymA, const MCSymbolRefExpr *SymB=0,
+  MCSymbolRefExpr::VariantKind getAccessVariant() const;
+
+  static MCValue get(const MCSymbolRefExpr *SymA,
+                     const MCSymbolRefExpr *SymB = nullptr,
                      int64_t Val = 0, uint32_t RefKind = 0) {
     MCValue R;
     assert((!SymB || SymA) && "Invalid relocatable MCValue!");
@@ -75,8 +78,8 @@ public:
   static MCValue get(int64_t Val) {
     MCValue R;
     R.Cst = Val;
-    R.SymA = 0;
-    R.SymB = 0;
+    R.SymA = nullptr;
+    R.SymB = nullptr;
     R.RefKind = 0;
     return R;
   }